Amino Acids: benefits by goal, the dosage that worked, and the supplements ranked

What the 39 human studies of amino acids we graded show for each goal, the dose that worked, and the products that hold it. This page is educational, not medical advice.

Human studies graded

Goals with an improvement

Products

Ranked

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Biohacker opinions

10/10

Ask Rala about amino acids

Amino Acids benefits, by goal: what the studies show

Members OnlyThe top 1 of 1 goals

8 of these 39 human studies gave amino acids by drip, not by mouth.

Goal	What the studies show	Studies	Dose that worked
Liver Health	Improved in studies 39 studies, 10 showed an improvement, 9 found none, 7 pooled analyses, 8 by drip, injection or inhaler	39	–

Amino Acids supplements, ranked by the human studies

Members OnlyNone in our catalog yet

No product in our catalog holds it at a dose that counts yet.

Amino Acids dosage: how much per day

The dose that worked in the studies, and the upper limit

No study we graded gave a dose that worked yet.

Biohacker panel

Members OnlyWhat our 10 biohackers say about amino acids

Recommend or use it10 of 10

Ben Greenfield, 29 Oct 2026: For longer operations, Ben Greenfield runs intraoperative IV bags of amino acids to mitigate muscle protein breakdown during surgery. Source

Dr. Eric Berg, 18 Oct 2026: Mentions that grass-fed liver is loaded with high-quality amino acids. Source

Thomas DeLauer, 26 Sep 2026, a caution: States that amino acids, including essential amino acids and BCAAs, cannot be consumed during a fast as they can shut down ketosis due to the leucine insulin response. Source

Dave Asprey, 5 Aug 2026: States that amino acids build muscle, and protein just delivers them, emphasizing that missing one of the 9 essential amino acids means the signal doesn't fire. Source

Siim Land, 23 Jul 2026: States that amino acids are among many other nutrients needed for glutathione. Source

Dr. Mark Hyman, 3 Jun 2026: Believes that if functional testing is done to replete deficiencies like amino acids before someone stops their medication, withdrawal symptoms can be completely eliminated. Source

What they said, newest first, one statement each.

Our articles on amino acids

Ben Greenfield's Biohacking Routine, Reviewed: The Fitness Core, the Rotating Stack, What It Costs, and What the Evidence SupportsArticle · Jun 16, 2026
When Is the Best Time to Take Vitamins and Supplements?Article · Jun 15, 2026
Siim Land's Supplement Stack, Reviewed: The Methylation and Glutathione Core, the Cycled Extras, and What the Evidence SupportsArticle · Oct 9, 2026

Questions people ask

Members OnlyAnswered from the figures on this page

What is amino acids good for?

By the human studies we graded, amino acids shows an improvement for liver health.

Amino Acids for liver health: what do the studies show?

In the human studies of amino acids we graded for liver health: 39 studies, 10 showed an improvement, 9 found none, 7 pooled analyses, 8 by drip, injection or inhaler.

Can I take amino acids with my meds?

Some supplements can change how meds work or are absorbed. Members have every product checked against the meds in their Health Profile before it joins their protocol.

Educational, not medical advice. Figures come from the human studies on PubMed we have graded; a study counts for a form when it names the form it used. Updated as new studies arrive. How we grade →