GLP-1 & Metabolic Supplements
Full ingredient lists, published amounts, what the research actually shows — and, just as importantly, where it stops
Supplements are not medicines. No product here is a GLP-1 medication or a treatment for any condition.
Read this before anything else
Dietary supplements are not medicines. In the United States they are regulated as food rather than drugs, which means the FDA does not review them for safety or effectiveness before they go on sale, and manufacturers cannot legally claim a supplement treats, cures, or prevents any disease. Nothing on this page is a substitute for prescription treatment, and no supplement described here has been shown to produce the weight loss seen with semaglutide or tirzepatide. If you are considering a supplement — particularly alongside prescription medication — talk to a doctor or pharmacist first, because interactions are real and some ingredients are not appropriate for everyone.
How this section is funded
CoreAge RX holds the number-one position on this page under a commercial arrangement. That placement was agreed in advance and is not the outcome of independent head-to-head testing. Everything below position one is ordered by our own assessment of ingredient transparency, published evidence, and price. We have not tested any of these products ourselves, and we say so on every page rather than implying hands-on trials we did not run.
Reviewed Products
CoreAge RX
GLP-1 Support
A prebiotic-plus-probiotic capsule built around three gut strains and two fibers
Read Full Review →Pendulum
GLP-1 Probiotic
The best-known Akkermansia probiotic, from a company that publishes its counts
Read Full Review →Supergut
GLP-1 Daily Support
The only product here delivering fiber at gram rather than milligram doses
Read Full Review →Lemme
GLP-1 Daily (Lemme Reset)
Three patented botanical extracts, celebrity backing, and the highest price here
Read Full Review →Codeage
GLP-1 Probiotic+
The broadest ingredient list here, at the lowest price — with the trade-offs that implies
Read Full Review →Multiple brands (ingredient review)
Berberine
The most-studied ingredient in this category — and the most over-claimed
Read Full Review →Multiple brands (ingredient review)
Psyllium Husk
Cheap, unglamorous, and the best satiety evidence of anything on this page
Read Full Review →Gelesis
Plenity
Not a supplement at all — and that distinction is the reason it is here
Read Full Review →Start With the Explainers
If you are new to this category, these are more useful than any individual product review.
Best-Of Rankings
Category rankings with the same disclosures and the same honesty about evidence.