R Peptide
Research-grade GLP-1 peptides at competitive prices
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About R Peptide
Research peptide retailer focused on GLP-1 agonists and metabolic research compounds for laboratory use. Competitive pricing on semaglutide and tirzepatide.
Score Breakdown
Pros & Cons
Pros
- Among the lowest GLP-1 prices in the market (30% below average)
- Specializes in GLP-1 so product knowledge is deep
- COAs available on request
- Fast 3-day shipping on domestic orders
Cons
- COAs not published on website — must email to request
- Small catalog (~40 peptides)
- Website UX is basic and hard to navigate
- Limited company information publicly available
- Customer service response time ~24h
Reseñas
Ordered tirzepatide and retatrutide. Both arrived in 3 days, well packaged. Requested COAs via email and got them within 2 hours — both showed >99% purity. The fact that they specialize in GLP-1 means they actually know what they're talking about when you ask questions. Smaller catalog but everything they carry is relevant to my research.
Found R Peptide through a Reddit recommendation. Their semaglutide pricing is among the lowest I've seen — about 30% cheaper than the big names. Quality seems on par, COA was provided on request (not published on site which is a minor downside). Shipping took 5 days. Overall a good value option if you're budget conscious.
Product quality is fine — semaglutide tested at 98.7% purity. But the website is pretty bare bones and finding specific products takes some effort. COA wasn't automatically included, had to email for it. Customer service replied but took about 24 hours. If you can overlook the rough UX, the prices make it worth it.