Editorial disclosure: this ranking is commercially influenced
The #1 position on this page is a paid placement. CoreAge Rx GLP-1 Support appears first because of a commercial arrangement, not because our research found it outperformed the other products listed.
We have not run head-to-head testing of these supplements, and we are not aware of any published trial comparing them against each other. The products below position #1 are ordered by our own editorial assessment of ingredient transparency, dosing against published research, and label quality. Treat the #1 slot as an advertisement and the rest as our opinion.
We may also earn a commission on purchases made through links on this page. That does not change what we write about a product's evidence or its weaknesses — the reviews on this site flag limitations for paid and unpaid placements alike.
How to Read This Table
- Ratings are editorial, not outcome-based. No head-to-head trials of these products exist. We score label transparency, dose versus research, third-party testing, and claim restraint.
- Prices are as observed and vary by retailer, particularly for products sold through Amazon, Walmart and Target.
- "Not stated" means exactly that — the manufacturer does not publish it. It is not a judgment.
- These are supplements, not medications. None is FDA-approved, and none is a substitute for prescription treatment.
| Product | Rating | Key ingredients | Observed price | Third-party tested |
|---|---|---|---|---|
| CoreAge Rx GLP-1 SupportPaid placement | 3.7 / 5 | Chicory root inulin 211 mg, potato resistant starch 100 mg, 36 mg blend of B. infantis, C. butyricum and A. muciniphila | $49 for one bottle of 30; $99 for three ($33 each); $149 for six ($23.83 each) | Not stated |
| Thorne Berberine-500 | 4.3 / 5 | Berberine, dual-action phytosome and HCl formula. Serving size 2 capsules, 30 servings per container | Not published on the product page; sold through Thorne, Amazon, Target and the Mayo Clinic Store | Yes — NSF Certified, third-party tested and certified |
| Nature Made GLP-1 Companion Health Pack | 4.2 / 5 | One daily packet containing four supplements: a multivitamin, magnesium, vitamin B12, and vitamin D3 with calcium — 22 nutrients total | Around $24.99 list; observed at $11.58 at Walmart. 30 daily packets | Not stated |
| NOW Foods Glucomannan 575 mg | 4.1 / 5 | Glucomannan (Amorphophallus konjac) 575 mg per capsule. Serving size 3 capsules — about 1,725 mg — with 60 servings per 180-capsule bottle | Around $16.52–$21.59 for 180 capsules depending on retailer | Not stated |
| Pendulum GLP-1 Probiotic | 4 / 5 | Akkermansia muciniphila, Clostridium butyricum and Bifidobacterium infantis — the same three strains CoreAge Rx uses | Pendulum products range widely; its Akkermansia product is listed at $116 on its own site and around $64 via Amazon. GLP-1 Probiotic pricing is not published on the product page | Not stated on the product page |
| Codeage GLP-1 Probiotic+ | 3.8 / 5 | Akkermansia muciniphila, Clostridium butyricum and Bifidobacterium, plus chicory inulin — 500 million AFU | Around $24.99 for 30 servings via Amazon; 90-capsule 3-month packs sold at Walmart | Not stated |
Shortlist by Need
You want a dose that matches the research
NOW Foods Glucomannan — about 1,725 mg per serving for roughly $17 a bottle. Read the choking-risk warning before taking it.
You want third-party verification
Thorne Berberine-500 is the only product here publishing an NSF certification. Check interactions with a pharmacist first.
You are already on a GLP-1 medication
Nature Made GLP-1 Companion targets nutrient gaps from eating less rather than pretending to replicate the drug — the most honest positioning in the category.
You want the Akkermansia concept cheaply
Codeage GLP-1 Probiotic+ uses the same strain family plus chicory inulin at around half the observed price of comparable products.
You want the actual medication
None of these is that. See our GLP-1 provider rankings — brand-name semaglutide is available direct from the manufacturer from around $149 a month.
Frequently Asked Questions
Which GLP-1 supplement is best?
There is no evidence-based answer, because no head-to-head trials of these products exist. Our editorial ratings reflect label transparency, how the dose compares to published research, third-party testing, and claim restraint — not measured outcomes. The #1 slot on our category pages is a disclosed paid placement.
Why do several products contain the same three strains?
Akkermansia muciniphila, Clostridium butyricum and Bifidobacterium infantis appear together in multiple products in this category because that combination targets short-chain fatty acid production and gut barrier function. CoreAge Rx, Pendulum, and Codeage all build on the same idea, at observed prices differing by roughly a factor of two.
Does a higher price mean a better supplement?
Not in this category. The cheapest product in our table — a plain glucomannan fiber at around $17 for 180 capsules — is also the one whose dose most closely matches the amounts used in published research. Price tracks brand positioning more than ingredient quantity here.
What does third-party tested mean and why does it matter?
It means an independent organisation such as NSF or USP has verified that the product contains what the label says and is free of specified contaminants. Because dietary supplements are not reviewed by the FDA before sale, independent verification is the main external check available. Only one product in our table publishes a certification.
Supplement Disclaimer & Review Date
These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Dietary supplements are not FDA-approved medications, are not reviewed by the FDA for safety or effectiveness before they go on sale, and are not a substitute for prescription treatment.
Nothing on this page is medical advice, and nothing here should be read as a promise of weight loss or of any particular result. Supplements can interact with prescription medications and are not appropriate for everyone. Talk to a doctor or pharmacist who knows your medical history before starting any supplement — particularly if you are pregnant or breastfeeding, take prescription medication, manage a chronic condition, or are already taking a GLP-1 medication.
Product details come from the manufacturer's own published materials as of the date below. Ingredients, amounts, pricing, and policies change frequently — check the current label and product page before purchasing.
Last reviewed: August 5, 2026