LDL cholesterol

mg/dL

Lab reference, 0 to 100
Full range the experts cite, 3.48 to 600
Where most experts aim, 145 to 190

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 106 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for lean mass hyperresponders.

HbA1c

percent

Lab reference, 4 to 5.6
Full range the experts cite, 4 to 8
Where most experts aim, 4.9 to 5.7

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 5.5 percent. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

Calcium score

score

Full range the experts cite, 0 to 1,000
Where most experts aim, 0 to 85

The experts are split.

Some targets here were stated for general adult population.

Blood pressure

mmhg

Full range the experts cite, 55 to 139
Where most experts aim, 80 to 120

Targets vary.

Some targets here were stated for general adult population.

Fasting blood glucose

mg/dL

Full range the experts cite, 65 to 125
Where most experts aim, 75 to 88.5

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 100 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

The experts are split.

Some targets here were stated for general adult population.

ApoB

mg/dL

Lab reference, 0 to 100
Full range the experts cite, 50 to 102
Where most experts aim, 52 to 80

The weighted median for US adults in CDC’s NHANES survey (2015-2016) is 90 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Targets vary.

Some targets here were stated for general adult.

Ferritin

ng/mL

Lab reference, 30 to 300
Full range the experts cite, 7 to 350
Where most experts aim, 60 to 62.5

The weighted median for US women aged 18-49 in CDC’s NHANES survey (2021-2023) is 44.2 ng/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. NHANES now measures ferritin in women aged 12-49 only.

The experts are split.

Some targets here were stated for women.

Homocysteine

umol/L

Lab reference, 5 to 15
Full range the experts cite, 5 to 14
Where most experts aim, 6 to 8

The weighted median for US adults in CDC’s NHANES survey (2005-2006) is 7.83 umol/L. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

Triglycerides

mg/dL

Lab reference, 0 to 150
Full range the experts cite, 44 to 254
Where most experts aim, 80 to 143

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 96 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

TSH

mIU/L

Lab reference, 0.4 to 4
Full range the experts cite, 0.4 to 10
Where most experts aim, 1 to 2.5

The weighted median for US adults in CDC’s NHANES survey (2011-2012) is 1.57 mIU/L. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult women.

Fasting insulin

uIU/mL

Lab reference, 2.6 to 24.9
Full range the experts cite, 2 to 15
Where most experts aim, 5 to 7

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 9.25 uIU/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

The experts are split.

Some targets here were stated for general adult population.

Total cholesterol

mg/dL

Lab reference, 125 to 200
Full range the experts cite, 100 to 700
Where most experts aim, 274 to 292

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 184 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult.

Lux

lux

Full range the experts cite, 0 to 10,000
Where most experts aim, 60 to 13,775

The experts broadly agree.

Some targets here were stated for indoor lighting.

High sensitivity c reactive protein

mg/L

Full range the experts cite, 0 to 8
Where most experts aim, 0 to 1

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 1.72 mg/L. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

25 hydroxy vitamin d

ng/mL

Full range the experts cite, 20 to 80
Where most experts aim, 32.5 to 58.5

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 29.5 ng/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Targets vary.

Some targets here were stated for general adult population.

HDL cholesterol

mg/dL

Lab reference, 40 to 90
Full range the experts cite, 40 to 90
Where most experts aim, 65 to 80

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 51 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for men.

Omega-3 index

percent

Full range the experts cite, 5 to 12
Where most experts aim, 7.25 to 12

Targets vary.

Some targets here were stated for general adult population.

Heart rate

bpm

Full range the experts cite, 20 to 175
Where most experts aim, 60 to 100

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 70.7 bpm. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Seated pulse during the blood pressure exam.

The experts are split.

Some targets here were stated for general adult population.

Omega-6 to Omega-3 ratio

ratio

Full range the experts cite, 0.25 to 20
Where most experts aim, 1 to 4

The experts are split.

Some targets here were stated for beef fatty acid profile.

Heart rate variability

ms

Full range the experts cite, 20 to 200
Where most experts aim, 37.5 to 160

Targets vary.

Some targets here were stated for general adult population.

Lp(a)

mg/dL

Full range the experts cite, 20 to 30
Where most experts aim, 30 to 40

The experts broadly agree.

Some targets here were stated for general adult population.

Blood glucose

mg/dL

Full range the experts cite, 60 to 300
Where most experts aim, 84.5 to 102

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 100 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

The experts are split.

Some targets here were stated for adult.

LDL particle count

particles per microliter

Full range the experts cite, 1,137 to 1,400
Where most experts aim, below 1,137

Some targets here were stated for general adult population.

Testosterone

ng/dL

Lab reference, 300 to 1,000
Full range the experts cite, 15 to 1,200
Where most experts aim, 300 to 1,000

The weighted median for US men in CDC’s NHANES survey (2015-2016) is 396 ng/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Targets vary.

Some targets here were stated for men.

Sodium intake

grams per day

Full range the experts cite, 2.3 to 10
Where most experts aim, 3 to 7.25

Targets vary.

Some targets here were stated for most adults.

Body fat percentage

percent

Full range the experts cite, 7.5 to 30
Where most experts aim, 14.5 to 21.75

The experts are split.

Some targets here were stated for women.

Sleep duration

hours

Full range the experts cite, 6 to 9
Where most experts aim, 6.25 to 7.55

Targets vary.

Some targets here were stated for general adult population.

Ct coronary calcium score

score

Full range the experts cite, 0 to 400
Where most experts aim, 0 to 55

The experts are split.

Some targets here were stated for general adult population.

Bmi

kg/m2

Full range the experts cite, 18.5 to 30
Where most experts aim, 25 to 27.25

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 28.2 kg/m2. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for study participants.

Resting heart rate

bpm

Full range the experts cite, 40 to 100
Where most experts aim, 50 to 64.5

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 70.7 bpm. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Seated pulse during the blood pressure exam.

The experts are split.

Some targets here were stated for general adult population.

Blood sugar

mg/dL

Full range the experts cite, 65 to 159
Where most experts aim, 73 to 140

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 100 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

The experts broadly agree.

Some targets here were stated for general population with PCOS.

Ketone levels

mmol/L

Full range the experts cite, 0.1 to 2.8
Where most experts aim, 1.15 to 2

The experts are split.

Some targets here were stated for fasting individuals.

Body temperature

degrees fahrenheit

Full range the experts cite, 95 to 102
Where most experts aim, below 97.8

Some targets here were stated for general adult population.

Potassium intake

grams per day

Full range the experts cite, 0 to 10
Where most experts aim, 4.25 to 6

The experts are split.

Some targets here were stated for low-carb diet followers.

VO2 max

ml/kg/min

Full range the experts cite, 40 to 83
Where most experts aim, 50 to 83

The experts broadly agree.

Some targets here were stated for general adult population.

Insulin

uIU/mL

Full range the experts cite, 2 to 18
Where most experts aim, 2 to 5.5

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 9.25 uIU/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

The experts are split.

Some targets here were stated for general adult.

Vitamin d blood level

ng/mL

Full range the experts cite, 20 to 110
Where most experts aim, 30 to 60

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 29.5 ng/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

Cortisol

ug per dl

Lab reference, 6 to 23
Full range the experts cite, 4 to 22
Where most experts aim, 4 to 22

The experts broadly agree.

Some targets here were stated for general adult.

Glucose

mg/dL

Full range the experts cite, 70 to 180
Where most experts aim, 85 to 100

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 100 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

The experts are split.

Some targets here were stated for general adult.

Transferrin saturation

percent

Lab reference, 20 to 50
Full range the experts cite, 20 to 50
Where most experts aim, 30 to 40

The weighted median for US adults in CDC’s NHANES survey (2017-2018) is 26 percent. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult.

Follicle stimulating hormone

miu/ml

Full range the experts cite, 25 to 35
Where most experts aim, 25 to 35

The experts broadly agree.

Some targets here were stated for women on cycle day 2-4.

CRP

mg/L

Full range the experts cite, 0 to 8
Where most experts aim, 1.66 to 2.2

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 1.72 mg/L. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for women on birth control pill.

Leptin

ng/mL

Full range the experts cite, 0.5 to 15
Where most experts aim, 6.25 to 8.5

The experts are split.

Some targets here were stated for women.

C reactive protein

mg/L

Full range the experts cite, 0.5 to 8
Where most experts aim, 0.5 to 1

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 1.72 mg/L. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult.

Vitamin d level

ng/mL

Full range the experts cite, 30 to 120
Where most experts aim, 47.5 to 50

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 29.5 ng/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

Calories

calories per day

Full range the experts cite, 300 to 5,000
Where most experts aim, 3,479 to 3,479

The experts are split.

Some targets here were stated for average men in 1930s-1950s.

Bedroom temperature

degrees fahrenheit

Full range the experts cite, 60 to 68
Where most experts aim, 62.5 to 68

Targets vary.

Some targets here were stated for general adult population.

Waist circumference

inches

Full range the experts cite, 0 to 40
Where most experts aim, 26.65 to 35

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 38.7 inches. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for women.

AMH

ng/mL

Full range the experts cite, 1 to 10
Where most experts aim, 3.3 to 5.83

The experts are split.

Some targets here were stated for women of reproductive age.

Estradiol

pg/mL

Full range the experts cite, 40 to 400
Where most experts aim, 50 to 70

The weighted median for US women in CDC’s NHANES survey (2015-2016) is 18.2 pg/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for women on cycle day 2-4.

Sauna temperature

°c

Full range the experts cite, 45 to 90
Where most experts aim, 75 to 75

The experts are split.

Some targets here were stated for general adult population.

Room temperature for sleep

degrees fahrenheit

Full range the experts cite, 60 to 74
Where most experts aim, 64 to 68

The experts are split.

Some targets here were stated for general adult population.

Oxygen saturation

percent

Full range the experts cite, 90 to 100
Where most experts aim, 94 to 94.25

The experts are split.

Some targets here were stated for COVID-19 patients.

Deuterium

ppm

Full range the experts cite, 122 to 155
Where most experts aim, 135 to 153

Targets vary.

Some targets here were stated for general adult population.

Calcium intake

milligrams

Full range the experts cite, 300 to 2,000
Where most experts aim, 800 to 1,500

Targets vary.

Some targets here were stated for general adult population.

Methylene blue dose

mg

Full range the experts cite, 4 to 275
Where most experts aim, 8 to 25

The experts are split.

Some targets here were stated for general users.

Linoleic acid intake

percent of calories

Full range the experts cite, 0 to 8
Where most experts aim, 2 to 3

The experts are split.

Some targets here were stated for historical (evolutionary) diets.

Visceral fat

pounds

Full range the experts cite, 1 to 3
Where most experts aim, 1 to 3

The experts broadly agree.

Some targets here were stated for children on no added sugar diet.

Cholesterol

mg/dL

Full range the experts cite, 150 to 300
Where most experts aim, 160 to 250

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 184 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Targets vary.

Some targets here were stated for 35 year old active male.

Free testosterone

ng/mL

Full range the experts cite, 0.2 to 15
Where most experts aim, 5.7 to 8.2

The experts are split.

Some targets here were stated for women.

Beta hydroxybutyrate

mmol/L

Full range the experts cite, 0.3 to 1
Where most experts aim, 0.5 to 1

The experts broadly agree.

Some targets here were stated for general adult.

Menstrual cycle length

days

Full range the experts cite, 15 to 35
Where most experts aim, 21 to 35

The experts broadly agree.

Some targets here were stated for women.

Vitamin c dose

grams per day

Full range the experts cite, 2.1 to 10
Where most experts aim, 3.05 to 6.05

The experts are split.

Some targets here were stated for people who get sick frequently.

Lipoprotein(a)

mg/dL

Full range the experts cite, 19 to 110
Where most experts aim, 19 to 42

The experts are split.

Some targets here were stated for people with high risk plaque or prior cardiac events.

A1c

percent

Full range the experts cite, 5.6 to 9
Where most experts aim, 5.7 to 6.5

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 5.5 percent. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for patients at risk of coronary atherosclerotic disease.

Uv index

uv index

Full range the experts cite, 0 to 13
Where most experts aim, 5.5 to 6

The experts are split.

Some targets here were stated for general adult population.

Uric acid

mg/dL

Lab reference, 3.5 to 7.2
Full range the experts cite, 3.5 to 6
Where most experts aim, 5.25 to 5.88

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 5.1 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for American adults.

ALT

U/L

Full range the experts cite, 4 to 40
Where most experts aim, 30 to 40

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 18 U/L. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

Omega index

percent

Full range the experts cite, 8 to 12
Where most experts aim, 8 to 10

Targets vary.

Some targets here were stated for general adult.

Saturated fat intake

grams per day

Full range the experts cite, 65 to 222
Where most experts aim, 126 to 148

The experts are split.

Some targets here were stated for average American circa 1955.

Sleep latency

minutes

Full range the experts cite, 6 to 20
Where most experts aim, 8.5 to 15

Targets vary.

Some targets here were stated for general adult population.

Blood ketones

millimoles per liter

Full range the experts cite, 0.5 to 4
Where most experts aim, 1 to 3.2

Targets vary.

Some targets here were stated for general users of exogenous ketones.

Deep sleep

% of sleep time

Full range the experts cite, 13 to 23
Where most experts aim, 13 to 23

The experts broadly agree.

Some targets here were stated for women.

Hemoglobin

g/dL

Full range the experts cite, 7 to 11.2
Where most experts aim, above 11.2

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 14.1 g/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Some targets here were stated for general adult female.

Serum 25 hydroxy vitamin d

ng/mL

Full range the experts cite, 20 to 60
Where most experts aim, 40 to 40

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 29.5 ng/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for humans.

Serum B12

pg/mL

Full range the experts cite, 200 to 1,411
Where most experts aim, 508 to 906

The weighted median for US adults in CDC’s NHANES survey (2013-2014) is 509 pg/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult population.

Postprandial blood glucose

mg/dL

Full range the experts cite, 140 to 199
Where most experts aim, 140 to 170

Targets vary.

Some targets here were stated for non diagnosed diabetic.

LDL

mg/dL

Full range the experts cite, 91 to 142
Where most experts aim, 134 to 200

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 106 mg/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts broadly agree.

Some targets here were stated for patients at risk of coronary atherosclerotic disease.

Biological age

years

Full range the experts cite, 5 to 37
Where most experts aim, 8 to 20

The experts are split.

Some targets here were stated for women transitioning from perimenopause to menopause.

Mitochondrial function

percent

Full range the experts cite, 0 to 100
Where most experts aim, -3.75 to 0

The experts are split.

Some targets here were stated for adults starting in their 30s.

HOMA-IR

unitless

Full range the experts cite, 1.5 to 2
Where most experts aim, below 1.5

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 2.39 unitless. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

Some targets here were stated for general adults.

Free T3

pg/mL

Lab reference, 2.3 to 4.2
Full range the experts cite, 1.5 to 4.2
Where most experts aim, 3.2 to 4.2

The weighted median for US adults in CDC’s NHANES survey (2011-2012) is 3.14 pg/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult women.

Zinc to copper ratio

ratio

Full range the experts cite, 2 to 15
Where most experts aim, 6 to 15

The weighted median for US adults in CDC’s NHANES survey (2015-2016) is 0.69 ratio. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Targets vary.

Some targets here were stated for people supplementing with zinc under 50 mg/day.

Iron

mg

Lab reference, 60 to 170
Full range the experts cite, 257 to 26,000
Where most experts aim, 2,628 to 26,000

The experts broadly agree.

Some targets here were stated for pregnant women.

Sauna session duration

minutes

Full range the experts cite, 5 to 30
Where most experts aim, 15 to 30

Targets vary.

Some targets here were stated for general adult population.

Sodium to potassium ratio

ratio

Full range the experts cite, 2 to 5
Where most experts aim, 2.4 to 2.4

The experts are split.

Magnesium intake

milligrams per day

Full range the experts cite, 256 to 700
Where most experts aim, 260 to 403

The experts are split.

Some targets here were stated for US adults.

Serum vitamin d

ng/mL

Full range the experts cite, 30 to 80
Where most experts aim, 40 to 80

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 29.5 ng/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts broadly agree.

Some targets here were stated for patients with cardiovascular disease.

Caffeine intake

milligrams per day

Full range the experts cite, 0 to 400
Where most experts aim, 0 to 200

Targets vary.

Some targets here were stated for most people.

Sex hormone binding globulin

nmol/L

Full range the experts cite, 50 to 80
Where most experts aim, 50 to 80

The weighted median for US adults in CDC’s NHANES survey (2015-2016) is 49.1 nmol/L. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts broadly agree.

Some targets here were stated for 30 year old male with symptoms.

Triglyceride to HDL ratio

ratio

Full range the experts cite, 1 to 2
Where most experts aim, 1 to 1.5

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 1.83 ratio. The shaded interval shows the 5th to 95th percentiles, not a recommended target. Fasting morning sample.

Targets vary.

Some targets here were stated for general adult.

Apoe4 risk/prevalence

percent

Full range the experts cite, 25 to 91
Where most experts aim, above 45

Some targets here were stated for individuals with Alzheimer's in cited study.

Systolic blood pressure

mmhg

Full range the experts cite, 3 to 200
Where most experts aim, 155 to 168

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 119 mmhg. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for 25-year-old female athlete.

Protein intake per meal

grams

Full range the experts cite, 20 to 50
Where most experts aim, above 30

Some targets here were stated for general adult.

Mean glucose

mg/dL

Full range the experts cite, 92 to 100
Where most experts aim, 92 to 100

The experts broadly agree.

Some targets here were stated for general adult.

Serum ferritin

ng/mL

Full range the experts cite, 60 to 150
Where most experts aim, 60 to 150

The weighted median for US women aged 18-49 in CDC’s NHANES survey (2021-2023) is 44.2 ng/mL. The shaded interval shows the 5th to 95th percentiles, not a recommended target. NHANES now measures ferritin in women aged 12-49 only.

The experts broadly agree.

Some targets here were stated for vegans and vegetarians.

Red light wavelength

nm

Full range the experts cite, 600 to 3,100
Where most experts aim, 610 to 700

The experts broadly agree.

Some targets here were stated for red light therapy users.

Cold water temperature

°c

Full range the experts cite, 0 to 10
Where most experts aim, 2.5 to 7.5

Targets vary.

Some targets here were stated for unaccustomed persons.

Luteal phase length

days

Full range the experts cite, 10 to 14
Where most experts aim, 14 to 14

The experts are split.

Some targets here were stated for women with menstrual cycles.

Blue light wavelength

nanometers

Full range the experts cite, 420 to 500
Where most experts aim, 425 to 490

The experts broadly agree.

Hydrogen concentration in water

ppm

Full range the experts cite, 1 to 2
Where most experts aim, above 4

Some targets here were stated for general humans.

Glycine dose

grams

Where most experts aim, 3 to 3

Some targets here were stated for people with sleep problems.

Iron saturation

percent

Full range the experts cite, 20 to 50
Where most experts aim, 40 to 52.5

The weighted median for US adults in CDC’s NHANES survey (2017-2018) is 26 percent. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts broadly agree.

Some targets here were stated for patients with iron overload.

Bowel movements

times per day

Full range the experts cite, 1 to 3
Where most experts aim, 1 to 3

The experts broadly agree.

Some targets here were stated for pediatric.

Mthfr enzyme

percent

Full range the experts cite, 0 to 90
Where most experts aim, 0 to 75

The experts broadly agree.

Some targets here were stated for people homozygous for MTHFR mutation.

Core body temperature

degrees fahrenheit

Full range the experts cite, 0.4 to 1.35
Where most experts aim, above 1.35

Some targets here were stated for most people.

Glucose standard deviation

mg/dL

Full range the experts cite, 12.5 to 15
Where most experts aim, below 12.5

Some targets here were stated for adults over 40.

MCV

fl

Full range the experts cite, 2 to 106
Where most experts aim, above 2

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 88.7 fl. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Total testosterone

ng/dL

Full range the experts cite, 45 to 1,140
Where most experts aim, 286 to 620

The weighted median for US men in CDC’s NHANES survey (2015-2016) is 396 ng/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for 30-year-old male.

Magnetic field

nanotesla

Full range the experts cite, 15 to 175
Where most experts aim, above 175

Some targets here were stated for general sleeping environment.

Power density

mw/cm2

Full range the experts cite, 0.2 to 75
Where most experts aim, 25.1 to 38.7

The experts are split.

Some targets here were stated for users of red light therapy panels.

Deep sleep duration

minutes

Full range the experts cite, 60 to 120
Where most experts aim, 90 to 102

The experts are split.

Some targets here were stated for general adult population.

Indoor humidity

percent

Full range the experts cite, 30 to 55
Where most experts aim, 35 to 50

Targets vary.

Some targets here were stated for general home environment.

Age

years

Full range the experts cite, 44 to 79
Where most experts aim, 51 to 65.5

Targets vary.

Some targets here were stated for mice.

Infrared light wavelength

nm

Full range the experts cite, 600 to 100,000
Where most experts aim, 700 to 100,000

The experts broadly agree.

Some targets here were stated for red light therapy users.

Cycle length

days

Full range the experts cite, 27 to 35
Where most experts aim, 27 to 35

The experts broadly agree.

Some targets here were stated for women with menstrual cycles.

Pulse wave velocity

meters per second

Where most experts aim, below 5.8

Some targets here were stated for general adult population.

Leucine intake

grams per meal

Full range the experts cite, 2.5 to 3
Where most experts aim, 2.5 to 3

The experts broadly agree.

Some targets here were stated for women.

HDL ratio

ratio

Full range the experts cite, 3.2 to 4.7
Where most experts aim, 3.2 to 4.7

The experts broadly agree.

Some targets here were stated for general adult women.

Free T4

ng/dL

Lab reference, 0.8 to 1.8
Full range the experts cite, 1 to 1.5
Where most experts aim, 1.1 to 1.15

The weighted median for US adults in CDC’s NHANES survey (2011-2012) is 0.82 ng/dL. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for general adult women.

Morning cortisol

mcg/dL

Full range the experts cite, 10 to 18
Where most experts aim, 10 to 16.5

The experts broadly agree.

Some targets here were stated for general adult women.

Erythrocyte sedimentation rate

mm/hr

Full range the experts cite, 10 to 15
Where most experts aim, below 10

Some targets here were stated for general adult population.

Cold water immersion temperature

degrees fahrenheit

Full range the experts cite, 34 to 55
Where most experts aim, 42 to 47

The experts are split.

Some targets here were stated for general adults.

Deuterium in seed oils

ppm

Full range the experts cite, 160 to 255
Where most experts aim, 170 to 228

Targets vary.

Some targets here were stated for food content.

Deuterium in blood

ppm

Full range the experts cite, 15 to 155
Where most experts aim, 81.5 to 83.25

The experts are split.

Some targets here were stated for human blood/plasma.

Red blood cell magnesium

mg/dl or unspecified

Full range the experts cite, 4.2 to 6.5
Where most experts aim, 4.2 to 6.5

The experts broadly agree.

Some targets here were stated for historical healthy range 15 years ago.

Serum iron

µg/dl

Full range the experts cite, 49 to 109
Where most experts aim, 49 to 109

The weighted median for US adults in CDC’s NHANES survey (2017-2018) is 84 µg/dl. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts broadly agree.

Some targets here were stated for general adult.

Ejection fraction

percent

Full range the experts cite, 15 to 70
Where most experts aim, 50 to 70

The experts are split.

Some targets here were stated for general adult.

Fasting leptin

ng/ml or unspecified

Full range the experts cite, 4 to 14
Where most experts aim, 6 to 10

Targets vary.

Some targets here were stated for general adult population.

Calcium bioavailability

percent

Full range the experts cite, 20 to 55
Where most experts aim, 32.5 to 38.75

The experts are split.

Caffeine half-life

hours

Full range the experts cite, 4 to 36
Where most experts aim, 5 to 36

The experts broadly agree.

Some targets here were stated for human population.

Body weight

pounds

Full range the experts cite, 6 to 158
Where most experts aim, 80.85 to 82.35

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 177 pounds. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

The experts are split.

Some targets here were stated for CrossFit participants on ketogenic diet.

Iron absorption

percent

Full range the experts cite, 15 to 23
Where most experts aim, 15 to 23

The experts broadly agree.

Some targets here were stated for iron deficient anemic women.

Oxalate

micro moles per liter

Full range the experts cite, 20 to 40
Where most experts aim, 20 to 40

The experts broadly agree.

Some targets here were stated for human plasma.

Prostate specific antigen

ng/mL

Full range the experts cite, 0 to 4
Where most experts aim, below 1

Some targets here were stated for men mid-50s.

Basal body temperature

degree fahrenheit

Full range the experts cite, 0.5 to 1
Where most experts aim, 0.5 to 1

The experts broadly agree.

Some targets here were stated for women post-ovulation.

Blood oxygen saturation

percent

Full range the experts cite, 90 to 99
Where most experts aim, above 90

Some targets here were stated for patients with possible microvascular disease.

Omega-3 to omega-6 ratio

ratio

Full range the experts cite, 0.25 to 24
Where most experts aim, above 0.25

Some targets here were stated for modern standard American diet.

Zone 2 heart rate

percent of maximal heart rate

Full range the experts cite, 60 to 70
Where most experts aim, 60 to 70

The experts broadly agree.

Some targets here were stated for general adult population.

Heteroplasmy

percent

Full range the experts cite, 60 to 70
Where most experts aim, 60 to 70

The experts broadly agree.

Some targets here were stated for middle age and older adults.

Diastolic blood pressure

mmhg

Where most experts aim, 50 to 85

The weighted median for US adults in CDC’s NHANES survey (2021-2023) is 74 mmhg. The shaded interval shows the 5th to 95th percentiles, not a recommended target.

Some targets here were stated for patients with wide pulse pressure or aortic insufficiency.

Calprotectin

percent predictive

Full range the experts cite, 30 to 82
Where most experts aim, 30 to 82

The experts broadly agree.

Some targets here were stated for ulcerative colitis patients.

LH to FSH ratio

ratio

Full range the experts cite, 2 to 3
Where most experts aim, 2 to 3

The experts broadly agree.

Some targets here were stated for women suspected of PCOS.

Age of menopause

years

Full range the experts cite, 45 to 55
Where most experts aim, 45 to 55

The experts broadly agree.

Some targets here were stated for general female population.

Daily steps

steps

Full range the experts cite, 2,500 to 5,047
Where most experts aim, 4,047 to 5,047

The experts are split.

Some targets here were stated for general adult population.

Dht

ng/dL

Full range the experts cite, 30 to 200
Where most experts aim, 55 to 140

Targets vary.

Some targets here were stated for adult male reference range.

Water temperature

degrees fahrenheit

Full range the experts cite, 50 to 55
Where most experts aim, 50 to 55

The experts broadly agree.

Your blood test, read two ways.