Independent education resourceInformation here does not replace care from a qualified health professional.
Peptide Therapy GuideClear peptide education

Educational guide

Peptide Critic | Clear Transparent Community Driven

No Hype. Real Reviews. Informed Peptide Decisions. 160 Vendors Reviewed 89 Peptides Tracked 1,056+ User Reviews 19,605 Members Top-Rated Vendors Lab‑Tested Unbiased Scoring Third Party Tested 4.8 (24) $$ Batch #s 10% off PeptideCritic 4.7 (48) $$ Batch #s 10%

Written by Peptide Therapy Guide Editorial Team
For education only

This guide cannot diagnose a condition or recommend a personal treatment plan. Discuss medical questions with a qualified professional.

No Hype. Real Reviews. Informed Peptide Decisions.

160

Vendors Reviewed

89

Peptides Tracked

1,056+

User Reviews

19,605

Members

Top-Rated Vendors

Lab‑Tested Unbiased Scoring Third Party Tested

4.8 (24)

$$

Batch #s

10% off PeptideCritic

4.7 (48)

$$

Batch #s

10% off peptidecritic

EZ Peptides

★ Premium Partner Verified 🌐 USA United States

4.6 (80)

$

Batch #s

10% off PEPTIDECRI10

Top Popular Research Peptides

$1.50 - $11.68 /mg

79 vendors

$0.67 - $8.00 /mg

87 vendors

$1.00 - $7.00 /mg

114 vendors

Peptide Price Index

Shop Peptide Critic℠

Research gear and accessories from our store

Xulin Pen 3 Blue + Case

If you want a true manual injector pen that feels like a piece of equipment (not a toy), the Xulin P...

$49.99

Research Peptide Pen V4 Red

Upgrade your research setup with the Red Reusable Peptide Pen V4—a refined evolution of the original...

$29.99

Research Peptide Pen V3.5

Upgrade your research setup with the Reusable Peptide Pen V3.5 built for researchers who loved the t...

$27.99

View All Products

Latest from The Lab Report

Hands-on peptide testing, COAs, and vendor findings

View All Posts

Latest Reviews

Recent feedback from the research community about vendor experiences and product quality.

vpeptides Verified Customer

8/21/2026

Easy choice if you want quality

I have tried a half-a-dozen vendors selling bioregulators and other peptides, and you never know, if a bad response or a strange reaction if due to the active component, or a bad quality. With BLL I can tell it is clearly what it says it is on the label and not something else. No strange or bad reactions, no ineffectiveness. Big sales are not uncommon, code JayC always works.

Discuss

stevensanto Verified Customer

8/20/2026

So far love these guys but still work too do

I hope I am not getting ahead of myself on this one. First off, the owner is on here frequently, and I love it. I really think they want to make their company top-notch. They took criticism and fixed the major issue in terms of an unknown lab. I have asked to test multiple vials, which I know we all see as a necessity. At the moment there aren't doing comparative testing. So far, I have referred 5 people. We have all had a great experience. I tested the waters and only ordered products with lab results from Kovera and Vanguard. Got some new folks on Reta to order Reta 60 due to Vanguard and no ILS or Freedom. I also ordered GHK-CU topical. I have high hopes for these guys. I am ready to order some 10 packs when they get inventory and I see the COA's from those who we trust. I should add, super fast shipping with photos of your order and they include cards with contact info to contact them with any issues.

Believe it or not, this is my first review. I typically stay away from this stuff but I feel like these guys deserve a push. How do you leave stars by the way

Discuss

rootbeerW

8/20/2026

Quality non existent. Credit card didn't go through and then was "fraud alerted"

I have purchased peptides from 4 different companies before I tried Puratek out. The prices were too hard to beat so I purchased some GLP3-R 20mg from them. I tried to make the purchase and it didn't go through, tried more times before using a different card. My bank determined it was too risky which is weird because I have purchased from many companies with the word peptide in it but there is a reason from other reviews I have read about fraudulent charges.

The main issue was the peptide. The COA seemed sketchy but I wasn't going to complain until I tried it, the first week I felt no difference, the second week, even though my dose went up by half a mg, there was so much more food noise that I was beginning to think there was a good reason the prices were EXTREMELY cheap, by week 3 I decided to switch back to the leftovers of GLP-R that I had and that is when I knew for sure that either the 20mg vial only has maybe 5mg or it is fake product. I wish I could get my 3 weeks back, I learned a good lesson and that is to stick to what worked in the past, no matter what prices you see.

Discuss

derekg1 Verified Customer

8/20/2026

Great prices, top quality, great communication and good shipping.

TLDR; Studzpeptides are a great balance of cost and quality, they are one of my top three go to spots now.

For full honesty my first impression of Studz was not great based on forum posts. The name was a bit odd until I learned it was just their name not gym-bro-ness and some of the comms early on seemed rough. But watching @StudzPeptides talk to people and took the feedback incredibly well and that was telling. Seems like in this industry calm communication is NOT the norm so I was impressed with his approach.

Based on that and the great prices I decided my little pet rat wanted to try some Mots-c and HCG. The cost was low and my rat is attuned to how they impact him pretty quickly so they were a prefect test compared to more subtle peptides.

I joined the discord server and a friendly guy over there had a referral coupon to save a little more cash. Over all communications have been great with them but I haven't had any issues so not a ton conversation either.

Shipping happened within 36 hours of my order going through. Faster than some places slower than others. But it is pretty neat you get a picture of your order when it is being packed. Its a personal touch that makes me happier than it may for others.

Quality was top notch. Both the Mots-c and hcg have treated Ratty McRatface exactly as expected.

Based on the great interaction and quality of the first test order I recently took advantage of a great weekend sale they were having to stock up on some other goodies for the Rat. Once I can test those I'll come back and update this with more details.

Honestly with the cheap price on single vials, build a bundle discounts, half kit discounts, full kit discounts and lots of discount codes floating around the prices are amazing. You can get very close to Nexaph kit prices if you shop carefully which if you don't need 10 bottles of something you want to test out is a great deal. I'd highly recommend you all give Studz a try.

Discuss

derekg1 Verified Customer

8/20/2026

Very nice prices, quick shipping and nice communication.

This was a test order after reading other reviews. It seems like Studz had a rocky start or someone that wasn't a huge fan so I was hesitant at first, especially given the low prices. But I joined the discord, chatted with a few folks and got a good feel. So I figured a test order was the next step. I can usually notice my research rat getting more energetic when Mots-c when it kicks in for a day so I went with a 40mg bottle of MOTS-C. Assuming, would be easier to tell if it was working than more subtle options. I also grabbed some Melanotan while I was there.

Shipping time was fairly good. My tracking label was mad the same day, package was in USPS's hands within 36 hours and delivered well protected. I also really like you get a photo of your order when it is being packed and about to be sent. Not sure why it makes me happy but it is a cool personal touch.

Products all work as well as any other things the lab has tested. Our little rat has good energy for the hamster wheel and has developed a decent little tan with in expected timelines for the MT doing its work.

Based on the service, quality, price and speed Studz is on my goto vendors. In fact I just placed another larger order with them before posting this review.

Discuss

deborah Verified Customer

8/20/2026

Lost 1st order; but replaced -arrived in 4 days

First time purchasing from this company. Made me wait 22 days to see if item was going to arrive; it did not. Upon contacting them, they were willing to resend order with 2day priority air. However, that took four days. I have not yet been able to research the products themselves. I’m hoping that they are good. Probably will not purchase from again.

Discuss

P

About the author

Peptide Therapy Guide Editorial Team

Editorial team for Peptide Therapy Guide.

View all articles →