Weight and Metabolism for Men: supplements ranked by the human studies

We graded 9 weight and metabolism for men products in our catalog against the human studies of their ingredients, the dose that worked and what the reviews say, then we rank them based on the evidence. This page is educational, not medical advice.

Products graded
9
Ranked
8
Human studies read
457 of 1,625 screened
Ingredients with evidence
15
Biohacker Opinions
8/10
What the studies sayMembersThe ingredients that work, strongest evidence first

shows a clear improvement in meta-analyses, the largest of people, from a day. shows a clear improvement in meta-analyses, the largest of people, from a day. shows a clear improvement in meta-analyses, the largest of people, from a day. shows a clear improvement in meta-analyses, the largest of people, from a day. shows a clear improvement in meta-analyses, the largest of people, from a day. shows a clear improvement in meta-analyses, the largest of people.

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Ingredients with evidenceMembersThe 9 strongest of 15
IngredientStudies readWhat they showDose that worked
L-Carnitine30
Green Tea53
Chromium55
Conjugated Linoleic Acid55
Green Tea Extract56
Valine22–
Calcium16–
Creatine21
Isoleucine14–
Products – highest ranked firstMembersThe top 3 of 8 ranked, by the studies, then reviews
A recommended product, named for members
· reviews positive · a month
A recommended product, named for members
· reviews positive · a month
A recommended product, named for members
· reviews positive · a month

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Biohacker panelMembersHow many of our 10 biohackers recommend each ingredient
Questions people askMembers

What is the best supplement for weight and metabolism for men?

Answer for members.

How much l-carnitine a day?

Answer for members.

Can I take these with my meds?

Answer for members.

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Educational, not medical advice. Grades come from human studies on PubMed, the dose that worked, store reviews we read ourselves and our biohacker panel. Updated as new studies arrive. How we grade →