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Researcher Argues Glycine Should Not Be Classified as Non-Essential Nutrient

Dr Eric Berg · The Best Anti-Aging Advice I Wish I Knew · May 15, 2026
Researcher Argues Glycine Should Not Be Classified as Non-Essential Nutrient
Dr Eric Berg
Dr Eric Berg
The Best Anti-Aging Advice I Wish I Knew
"One of the most respected nutrition scientists in this field, Dr. Alan Jackson, out of the University of Southampton, he's written that there's 20 amino acids and only 3 of them should be called non-essential. And glycine wasn't part of the 3."
Citing Dr. Alan Jackson from the University of Southampton, the speaker challenges the official classification of glycine as non-essential, arguing the designation is based solely on the body's ability to produce it rather than actual sufficiency. This represents a fundamental critique of nutritional science standards that overlook the gap between endogenous production and physiological needs.
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Dr Eric Berg
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