Butter
For food preparation and nutrient retention
Most of the experts we follow recommend it.
Butter can add calories and support absorption of fat-soluble nutrients when used in moderation.
Who is behind it
Voices including a GP with a Master of Public Health, a registered nutritional therapist and an Oxford metabolism PhD.
How strong the research is
Mostly expert experience so far, with published research still catching up.
In their words
“When you have your starch make sure that you're adding fat to it like butter or coconut oil”
a licensed acupuncturist and clinician-educator
Directly asking can help avoid seed oils in cooked food and improve dietary choices.
Butter contains fat-soluble vitamins and conjugated linoleic acid and is suitable for flavoring foods.
Provides stable energy throughout the night and buffers potential sugar spikes and drops, helping maintain sleep.
Block butter is preferable and keeping it in a butter dish keeps it soft
With care
Some of the minds attach conditions. These are worth reading before you begin.
C15 is a stable molecule that maintains its structure even when heated to typical cooking temperatures.
Where they disagree
Both sides
For
Directly asking can help avoid seed oils in cooked food and improve dietary choices.
a GP with a Master of Public HealthAgainst
Metabolic context matters; some people on high saturated fat diets see no LDL increase and improved cardiovascular risk, while others may see LDL rise depending on physiology.
an Oxford metabolism PhDMost of the minds come down in favour, and the dissent is worth knowing.
Talk it through
Entrain shows what the experts teach, so you can make better decisions with your own clinician. It does not diagnose or prescribe. If something is worrying you, start there.
How this reading was made
Every line here comes from a doctor, scientist or coach speaking publicly, and links to the moment they said it. Entrain listens for where independent experts arrive at the same place on their own, and shows where they part ways. Mostly expert experience so far, with published research still catching up.
None of the statements here come with a declared commercial interest. Last refreshed 23 September 2026.
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