Amino Acid: benefits by goal, the dosage that worked, and the supplements ranked
What the 54 human studies of amino acid we graded show for each goal, the dose that worked, and the products that hold it. This page is educational, not medical advice.
Amino Acid benefits, by goal: what the studies show
Members OnlyThe top 1 of 1 goals
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Energy | Improved in studies 54 studies, 18 showed an improvement, 12 found none, 12 pooled analyses | 54 | 97 mg |
Amino Acid supplements, ranked by the human studies
Members OnlyThe top 1 of 1
Amino Acid dosage: how much per day
The dose that worked in the studies, and the upper limit
The studies taken by mouth that showed an improvement gave 97 mg to 10 g a day.
Biohacker panel
Members OnlyWhat our 10 biohackers say about amino acid
Read more
Our articles on amino acid
- Magnesium Glycinate vs Citrate: What the Studies ShowArticle · Oct 30, 2026
- How to Build a Longevity Supplement Stack: An Evidence-First ReviewArticle · Sep 7, 2026
- Gary Brecka's Protocol, Reviewed: The Gene Test, the Methylation Claim, the 10X Supplements, and What the Evidence SupportsArticle · Jun 16, 2026
Questions people ask
Members OnlyAnswered from the figures on this page
What is amino acid good for?
By the human studies we graded, amino acid shows an improvement for energy.
Amino Acid for energy: what do the studies show?
In the human studies of amino acid we graded for energy: 54 studies, 18 showed an improvement, 12 found none, 12 pooled analyses. The dose that worked: 97 mg a day.
How much amino acid per day?
The studies taken by mouth that showed an improvement used 97 mg to 10 g a day.
When should I take amino acid?
The label of the one amino acid product we graded says to take it before or after exercise and split into two or more doses a day.
Can I take amino acid 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 →
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