Quality of product is great
Quality of product is great. Shipping was two days and packed very well thank you for your service
By Richard K.
Thursday, November 5, 2026 · Customer reviews of US businesses

The Fair Hearing score
Excellent
169 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
IDUN Peptides supplies high-purity research peptides, with every batch independently third-party tested and backed by a Certificate of Analysis. We offer free same-day shipping and US-based support that is there when you need it.
IDUN Peptides (idunpeptides.com) has 169 customer reviews on The Fair Hearing, with an average rating of 4.9 out of 5.
169 approved reviews, newest moderated first
Quality of product is great. Shipping was two days and packed very well thank you for your service
By Richard K.
Excellent products with exceptional testing. Easy ordering and fast shipping. IDUN is my go to. Keep up the good work.
By Alejandro C.
Really high-quality and reliable products.
By JORGE LUIS RODRIGUES FONTES J.
Copper peptides take a while in regards to proving efficacy for skin and hair but I can say that this came in incredibly fast.
By Erika W.
Great service, product, and speedy delivery. Recommend.
By LHR
Quick Shipping everything looks great
By Michael J.
The shipping was great ,coast to coast in 2 days, the packaging and presentation of the product was excellent. The website extremely easy to navigate. I’m completely satisfied with the results of the product and the prices can’t be beat.
By ROBERT M.
I absolutely love the 2day delivery system going on! Yet to try the products but I've heard good things!
By Esi