Dietary protein
For general nutrition for sulfur intake
The experts we follow agree on this.
Adequate dietary protein is essential for muscle health, longevity, and antioxidant defence.
Who is behind it
Voices including a nutritional sciences PhD, a certified nutrition specialist and an Oxford metabolism PhD.
How strong the research is
Mostly expert experience so far, with published research still catching up.
In their words
“I would much rather get that sulfur requirement from protein... 1.2 to 1.8 grams per kilogram body weight with the predominance of that being from animal protein”
a nutritional sciences PhD
Glutathione is derived from dietary protein and is essential for glutathione peroxidase function in converting hydrogen peroxide to water.
The liver needs essential amino acids from protein to carry out its reactions and avoid muscle mass loss
New dietary guidelines recommend this range to prioritize protein importance for health, especially muscle health
Low protein intake can contribute to liver scarring or cirrhosis and affects thyroid hormone conversion and displacement from carrier proteins.
Older muscle requires higher protein intake to stimulate muscle maintenance due to anabolic resistance.
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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