Extreme PeptidesExtreme Peptides supplies peptides and research liquids for laboratories and qualified investigators. Our focus: clear specifications, batch consistency, and reliable fulfillment—supported by a responsive team that understands lab needs.
Extreme Peptides (extremepeptides.com) has 151 customer reviews on Five Star Index, with an average rating of 3.0 out of 5.
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Rico R.
Same here. Used this company for years with no problems. Now the orders never come on time, USPS says its waiting to be picked up and they never reply to emails. USPS says my order shipped on 5/30. Today is 6/7 and it still says the order hasn't shipped. Peptide Pros and Geo Peptides have been great. I wanted to give Extreme the benefit of the doubt since I've been with them for so long but the owner has really let the company go.
T G.
I’ve been a customer of Extreme Peptides since 2015. This is the only peptide company that I’ve trusted to give me quality products.. I don’t know what has happens but just like a lot of customers here in the reviews, this last order took 1 month to receive (usually only takes a couple of days). I sent an email and didn’t get a response . I sent a second email and got the same response pretty much blaming USPS. Definitely has gone down hill with customer service. I will note that a week prior I went on the site and a product that I wanted was “out of stock”. When it became available I ordered it. If products are backordered it would be nice if they’d let customers know that and not make excuses.
