Optimum Nutrition supplements, graded by the human studies
We graded 6 Optimum Nutrition products against the human studies of their ingredients, the dose on each label and what buyers say in their reviews. Each grade belongs to the product and the goal it was graded for: we do not grade how Optimum Nutrition makes, tests or sells its products, and we sell no supplements. Educational, not medical advice.
The Optimum Nutrition products we graded
Members6 products, A to Z






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What Optimum Nutrition products were graded for
Each goal links to its page, with every product graded for it
| Goal | Optimum Nutrition products |
|---|---|
| Muscle and Strength | 5 |
| Hormone Balance for Men | 1 |
Read more
Our articles on these goals
- Peter Attia's Supplement List: What He Takes and What the Trials SayArticle · Sep 20, 2026
- Layne Norton's Supplement Stack, Reviewed: The Three-Item Core, What He Refuses to Take, and What the Evidence SupportsArticle · Oct 2, 2026
- How to Lower Blood Sugar Naturally: A Comprehensive GuideArticle · Sep 9, 2026
Questions people ask
Members
Is Optimum Nutrition a good brand?
Answer for members.
Which Optimum Nutrition products have the strongest evidence?
Answer for members.
How does Reverse Age Lab grade Optimum Nutrition products?
Answer for members.
Can I take Optimum Nutrition supplements with my meds?
Answer for members.
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Educational, not medical advice. Grades come from human studies on PubMed, the dose on each label, store reviews we read ourselves and our biohacker panel, and are updated as new studies arrive. Optimum Nutrition is a trademark of its owner; Reverse Age Lab is not affiliated with it and sells no supplements. How we grade →
