Quality Peptides

Supplier focused on purity verification and transparent lab testing.

What Customers Mention

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Reviews

May 10, 2026
reordered
allison.c.science

Second time ordering, melatonan 2 came well packed and the lyophilized cake was intact. Pricing is fair, will use again.

Apr 9, 2026
solid so far
Karen R.

Third order with them and it's been consistent. Packaging is plain but everything always arrives well padded.

Mar 30, 2026
decent pricing
Jacob W.

Prices are reasonable and the free shipping over $150 is easy to hit. Vials arrived intact, fill looked accurate. Would have liked a COA in the box.

Feb 17, 2026
good experience
Kimberly D.

Checkout was simple and the weekly coupon emails are a nice touch. Got my order in three days, vials sealed properly.

Dec 14, 2025
Good quality DSIP and Retatrutide
Ivy Henderson

Been ordering from Quality Peptides for about 4 months now and they've been pretty consistent. Latest order was DSIP and Retatrutide for some comparative research work. Both came with COAs showing solid purity (DSIP at 98.2%, Retatrutide at 98.8%). Shipping took 5 days with proper cold packing and everything arrived in good condition. I appreciate that they include detailed reconstitution instructions with each order which is helpful. Pricing is competitive and they often have discount codes which brings the cost down. Customer service has been responsive when I've had questions. Only complaint is their website can be slow to load sometimes and the search function isn't great. Overall though, reliable vendor.

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Products (6)

Vendor Info

StatusUnclaimed
WebsiteVisit
Reviews14
Products6
Lab Tests0

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