Which should you choose? Here's what you need to know.
Semaglutide is the proven GLP-1 standard. Survodutide adds a glucagon receptor on top of GLP-1, showing potentially greater weight loss in trials — but it's not yet approved.
On 20 Sep 2026 Peptide Compare tracked 32 vendors selling Semaglutide, cheapest in stock $1.50 per mg at Step One, and 16 selling Survodutide, cheapest $7.50 per mg at Eros Peptides.
Semaglutide is the gold-standard GLP-1 receptor agonist with FDA approval, billions of doses administered, and extensive safety data. It consistently delivers 15%+ weight loss in clinical trials and is the most widely prescribed weight loss peptide in the world.
Choose Semaglutide if:
You want a proven, FDA-approved option with the longest track record and the most real-world safety data.
Survodutide is a dual GLP-1 and glucagon receptor agonist being developed by Boehringer Ingelheim. Early trials showed nearly 19% weight loss at 46 weeks. The glucagon component may help the body burn more energy on top of the appetite suppression from GLP-1.
Choose Survodutide if:
You're interested in the next generation of dual-agonist weight loss peptides and are comfortable with a compound still in Phase 3 trials.
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Sep 20, 2026.
Our top-rated vendor for each, based on trust scores, purity testing, and price.
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We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.