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  • A

    This is a vendor review submitted by angelijohnson on PeptideCritic.com.

    Rating: ⭐⭐⭐⭐⭐ (5/5) · Peptide: Glutathione · Reviewed November 7, 2026


    I was a little skeptical about ordering at first, but I decided to give RIVN RESEARCH a chance, and I’m so glad I did! My order arrived right on time, exactly as promised. Everything was neatly and…

    📖 Read the full review on Rivn Research's page

    🛒 Shop Rivn Research


    Discuss this review, share your own experiences, or ask questions about the vendor.

    Please keep discussions respectful and factual.


  • B

    looking for the best source for sterile vials! I know I have seen posts on here recommending places but cant seem to find it now!
    let me know what you like and were you order from! also best place to buy filters!


    @DarkStar also, I have put 3ml in these vials. I get ghkcu 50 and recon with 3ml and split it between 2 vials then add another 1.5 of Bac. So both my vials have 3ml. I switched to pens so now I barely use them, the pen vials are more reasonably priced.
  • D

    Hi I’m new to the site could anyone please recommend suppliers that ship to Australia
    As it seem like we can only access Grey market suppliers


    Hey Doug I can definitely help you with a phenomenal vendor
  • WisGal64W

    I didn't see Skye on the vendor list, but thought it was worth a review.

    Easy ordering, fast delivery, and they had the item I needed (Cartalax) when my usual vendor was out. Prices vary, but some are very competitive. I also love that they include a CoA card with a QR code — super easy to scan and save. Their testing looks very good. Found a blend I hadn't seen before, Thymosin Alpha 1/Thymalin, decided to add it to my research.

    Solid experience overall


    I've used Skye Peptides for KLOW, PT-141, Ipamorelin, Tesamorelin, and Retatrutide, and it has been a great experience each time. All have worked well for me. My first order was for Reta in July. I had been on prescription GLP-1, and when I switched to Reta, I could tell it was working in terms of appetite suppression, and it has continued to work for me. Next, I tried Tesamorelin, and had no negative reactions to it. Then I added KLOW and Ipamorelin, and they seem to be working well with no negative side effects. So, I've now placed about four orders with Skye, and each has gone well. In early October, after visiting Peptidecritic to see if I could find cheaper places to order from, and because Skye did not have SS-31 (or was out of stock? I don't recall the exact reason - looking again,they seem to have it back in stock now), I tried ordering MOTS-C and SP-31 (aka SS-31, Elamipretide, MTP-131, or Bendavia) from Studz Peptides, which was a good experience too. All orders from both vendors arrived quickly, there was good communication on when things were going to be delivered, and the peptides seem to all be legitimate, although I did not have any testing done outside of how they have felt. That's my anecdotal experience so far, but figured I should at least share my small data point.
  • S

    Hey yall, as you know I am fairly active in this community, and many steer clear of us due to low pricing and basic testing, we want to change that, we are thinking of adding sterility, endotoxins, and conformity over at vanguard and would love some feedback!

    It is costly but we would love to draw in a new crowd and also continue safe research at a reasonable cost, let us know your thoughts


    read more →
    @bearhead said: This post has been interesting in that there are judgements. I ordered & received yesterday. Very impressed with his entire process. I even received real BAC Hospira instead of Ebac. The lab is indeed Freedom and the pic of vial match cap color delivered which is better than I can say from a couple others that I have ordered from. Let's be honest, we are all taking risks. Looks totally fine to me. Pulling for the kid to succeed! I agree. I had no problem him, his product or customer service!!! Will buy from again!!
  • dontfyourlifeD

    I have no idea why large media outlets are so obsessed with negativity towards peptides. Guarantee that some of the staff are using and seeing results but crickets on the benefits

    Article published today
    https://www.usatoday.com/story/life/health-wellness/2026/07/23/peptides-fda-rfk-jr/91019990007/

    Here are my favorite quotes from the article...

    If approved, many proponents in the wellness industry will be pleased, while others in the medical community will raise eyebrows over health concerns.- Especially big pharma

    Potential adverse effects identified by the FDA include heart toxicity, infections, pancreatitis, increased or decreased insulin sensitivity, serious immunoresponses, melanoma and death. In most cases, the FDA said there was not ample testing or evidence to prove the peptides were safe or effective for use in humans.
    -Yes the same FDA executives from the pharmaceutical companies and of course never a mention of FDA approved drug side affects "Ask your doctor if Spravato is right for you- just watch out for suicidal thoughts!!

    ...Robert F. Kennedy Jr. is a self proclaimed proponent of peptides and has close ties to several vocal supporters and vendors of the compounds
    Or he maybe just wants people to have fair access to supplements that are affordable

    After every FDA advisory committee the headlines were so much worse but that is what is expected I guess.

    Must be a slow news day when all you have is an article about...peptides 🙂


    Ideally that's what the FDA should take care of and Pharma is technically supposed to have that information available along with chains of custody so that they can trace who had what lot at what time for the entire process... But Big Pharma will bury the lead, and only after a significant statistic of people die will the FDA go in and make the company pay a fine that's less than you'd tip your waiter for their mistake. Ain't saying the system isn't broken, just that it's fucked up that it is and I wished it worked like it is supposed to instead of working to line the pockets of rich assholes.
  • bfullerB

    Hello my fellow Rodentia Muridae Rattus Norvegicus

    I'm ready to regenerate my rats mid section! Any ideas for a protocol are welcome for my next stack:

    Prostomax, Testagen, Vesilute and Vesugen.

    I am considering:

    10 day @ 2mg each
    15 day @ 1.5mg each
    20 day run @1mg each

    I'm open to feedback or recomendations

    BLL BIO REgs).jpg


    @Stan-Douglas - granted he is talking about the cytomax versions of the oral bioregulators though. For injectible Pinealon and Epitalon Dean mentions he does those for 20 days every 6 months, which sounded like that was more of a maintenance cycle vs initially treating acute aging symptoms.
  • E

    Hello everyone I need help with reconstituting aod9604 I have already gelled up 2 10 mg vials just using bac water. Any recommendations or tips ? Please and thank you !


    I had 10mg vials from 2 different vendors. Both gelled. But they were cloudy when gelled, so I wouldn’t have used them. I am not sure they were completely at room temp and I didn’t try the maintaining a vacuum thing. I wonder if this is why Nexaph only sells 2mg vials. Alpha Biolabs also had difficulty making high concentration vials that wouldn’t gel, but they said they finally got the ph right on the large concentrations.
  • P

    Jeff- kindly relocate if not appropriate for a new category.

    Multi-vial care package delivered today from BioLongevity, pinned both with 30 minutes between each. No site reactions, feel fine, great actually.

    Super intrigued by both, I've done my homework. 60's male in great health, 2.5 year carnivore, focused on maximizing healthspan. Anyone else throwing caution to the wind and researching these two?


    read more →
    @PeptidePete Love the shirt in this post
  • P

    This is the official discussion thread for a vendor on PeptideCritic.com.

    📖 View the vendor profile: Vitality Chems


    Share your experiences with this vendor, ask questions, or add information that might help other community members.

    Please keep discussions respectful and factual.


    Redacting COA information. Vanguard reports go to a company called "bio code" [image: 1793998150676-221064b7-b12a-4a82-bce8-96e4d6d53d87-image-resized.jpeg] [image: 1793998174220-7c889276-858b-4095-a944-37260db4b45d-image.jpeg]
  • M

    This week Glacier Aminos had a really good sale on GHK-CU I was so I thought I'd pick up a little bit and also try out MT2. First off, it was a killer deal but 2nd, it shipped out Almost immediately. But when their peptides arrived, thats when I was really impressed. Each of these peptides came in their own hard sided cardboard box! It didn't feel like I was buying from some dude in his moms basement. It felt very premium, well organized and especially confidence inspiring! This was my first time ordering from them, 1 billion % not the last time. Highly-highly recommend, A++++ seller.

    fe08ced5-7c22-4965-9c23-1419d93bdbd1-image.jpeg


    I'm a newbie, but I've been impressed by Glacier Aminos
  • pep_researcherP

    @vpeps I think because that one has not yet gone to human trials. IIUC this chart shows only the ones past preclinical stage and into human trials.
  • L

    This is a vendor review submitted by Lig on PeptideCritic.com.

    Rating: ⭐⭐⭐⭐⭐ (5/5)


    Review

    Sometimes you need it quick. Their prices are fair and while you pay, it's 2-day fedex and they ship the day of order if before like 3pm. Quality and selection have been good so far. It's early but they deserve a shout-out/


    🛒 Shop Instant Peptides

    📖 Read the full review on Instant Peptides' page

    Discuss this review, share your own experiences, or ask questions about the vendor.

    Please keep discussions respectful and factual.


    @crash2127 The really good vendors track caps and crimps to batches so that the COA match is identifiable. When everything is white, black, red etc that makes it nearly impossible
  • P

    This is the official discussion thread for a vendor on PeptideCritic.com.

    📖 View the vendor profile: NUPEPS PEPTIDES


    Share your experiences with this vendor, ask questions, or add information that might help other community members.

    Please keep discussions respectful and factual.


    COA's all dated back to January 2026. Vendor has not confirmed if this is current stock. [image: 1793940536255-screenshot-2026-11-05-194322-resized.png] [image: 1793940536788-screenshot-2026-11-05-194424-resized.png]
  • RandyR

    We cut prices across the Peptide Critic store and added two new products

    Randy and I got into the pricing spreadsheet again. Everything in the store got a price cut, including every pen we carry.

    • V2 pens are now $19.99
    • V4 pens are now $24.99
    • Gansulin pens are now $69.70 (Randy missed the joke by a penny.)
    • V4 Plastique, V3.5, and V3 Ultra pens all got price cuts too.

    We also dropped the price on our standard 3 mL pen cartridges again.

    As for the two new products, enough of you asked for a needle cutter and amber glass cartridges that we added both. Randy appreciates everyone who gave him an excuse to order more shit for the warehouse.

    Shop the Peptide Critic store


    @pensar i blame bob
  • E

    Hey, so i ordered Slupp 915 from disguised alpha and the powder inside the capsules has a deep orange/red color, so i am wondering if this is normal. Can anyone help me please,
    Thank you best regards
    Batch#slp901


    @denti They are truly horrible. I have heard multiple independent stories from other people including my personal bad experience ordering KPV capsules from them. I'm never going to consider at them ever. Guess what now they have Elora with ILS COA! Race to the bottom.
  • D

    This is a vendor review submitted by Dirk Stone on PeptideCritic.com.

    Rating: ⭐ (1/5) · Peptide: BPC-157 · Reviewed November 1, 2026


    Since I live out of the country, I had a vial shipped to my friend while he was in the US. When it arrived, the cap was askew and I sent a photo to customer service and they told me that my friend…

    📖 Read the full review on Elite Biogenix's page

    🛒 Shop Elite Biogenix


    Discuss this review, share your own experiences, or ask questions about the vendor.

    Please keep discussions respectful and factual.


    Yeah, it's a 1 hour rant with about 5 minutes of actual relevant information. Also the $20,000 for his black card membership, LOL.
  • mmpM

    Has anyone compared the same peptide concentrations using the Biuret reaction?
    I mean comparing the colors of the mixture in 0.5 ml syringes—something like this:
    0.1 mL sample1 + 0.1 mL Biuret
    0.1 mL sample2 + 0.1 mL Biuret

    AI said that this way I can see if the difference exceeds 15%.

    Can be useful for cases like that
    https://substack.com/@krysia0430/note/c-378942145


    Let me know what you are trying to do happy to help
  • RandyR

    What’s one change that would make Peptide Critic more useful to you?

    It could be finding discussions, understanding vendor information, comparing prices, managing notifications, or something we haven’t thought of.

    If possible, tell us what you were trying to do and what got in the way.

    We’ll use this thread to collect suggestions and share updates as we decide what to take forward. If something needs more investigation or we can’t commit to it yet, we’ll say so.

    —Randy


    Dovetailing on what @dstewartjr said, I dont understand the current ranking system. How is Southern Aminos ranked #2, if they are using labs, which a large number of this community frowns upon? I could point out more inconsistencies, based on general community sentiment, but this post is not intended to vendor bash. Is there an explanation of the rating system, other than the 1 sentence at the top of the vendor list that I am missing?
  • A

    I am curious if anyone else has had experience with them, good or bad. My wife ordered GLP-3 for her research and has had great outcomes over the last 7 weeks. It seems like it’s a newer company and there isn’t a lot out there about them, so just curious about any feedback from the community.


    Bought PT141 and melanotan 1 from them when they had a sale. Tested them out before we chose to buy a kit from a different vendor. They are more expensive than some companies probably because of the packaging. Nice little box with padding holding the vials tightly in place and box lid flips open. From what I remember the COA and lot# matched what was printed on the vial label. Haven't bought more from them though just because of pricing. Looks like they are using Freedom for their testing. Not sure who they used with the vials we bought since they are now long gone. Bought these back before I found this website and became a more informed researcher.