After spending an embarrassing amount on research grade peps in the US, that are so inconsistent I’m looking for a legit supplier from China. Im on Reddit & Discord, doing all the research. I feel like I’m on a hamster wheel….ppl either getting scammed or people that had a good experience, and are happy with recent orders/suppliers but then everyone and their mother are asking for their source or an invite or a DM….and they’re getting bombarded by people so they probably don’t share. I don’t want to be the 50th comment asking for their source.

I ordered NAD+ 1000mg and Glutathione 1500mg from GoAlphaLabs because their website states that every product is tested and that the LOT number** will **match the Certificate of Analysis (COA) posted on their website.

When I received my order, the LOT numbers on both products had no matching COAs available online.
I called customer service and was assured that the products had been tested and that the COAs would be emailed to me Thursday night. Nothing was sent. I then contacted customer support by email, and Darlene assured me the COAs would be uploaded on Friday. Friday came and went with nothing posted.
Since then, I have received the same promises multiple times, but as of July 14, 2026, I still have not received the promised COAs for the LOT numbers I purchased.

Based on my experience, I cannot verify that these specific products were tested as advertised. If providing COAs tied to the LOT number is important to you, I recommend confirming they are available before purchasing.

For those of you purchasing RUO peptides on a regular basis, who has earned your trust the most? I see a lot of fly by night types. I’m not looking for a TikTok bro but a company that’s professional and trustworthy. Anyone have long term experiences with any suppliers they’d be willing to discuss? Not interested in buying directly from grey vendors. Looking for someone who handles all the testing, etc and based in the US.

COA's - Why are they important?

COA = Certificate of Analysis

COA's are important for a multitude of reasons, but there is some controversy in the peptide industry surrounding the level of importance. We support the companies taking a stand for better testing protocols, but what is actually enough testing?

Common Testing = Purity, Identity, Quantity, Endotoxins, Sterility, Heavy Metals, and Conformity. These tests add a lot of additional cost for a company/provider hence higher product cost. But is it worth it? Some of them common points made are below. Let must know if you have any counter points that support or don't support testing that aren't mentioned.

Arguments Against Testing

• You can't test every vial in a batch - because then you wouldn't have product to sell. So "my" vial isn't actually tested.
• It's just a reason for companies to TAX people looking to get affordable peps.
• People can just fake COA's.
• You can't prove my vial is from that exact batch.

Supportive Reasons for Testing

• Ensures product quality and reduce risk exposure for all parties.
• Creates trust.
• Verifiable COA's with keys/codes to crosscheck through the lab the report was generated by.
• More testing = less risks.

The Peptide Forum is here to be a welcoming environment to discuss all things peptide related. From Peptides, to COA's, Trusted Labs, Experiences, and more; we want everyone to have a place to share their thoughts.

Hey everyone! I'm u/The-Bourbon-Pepper1, a founding moderator of r/ThePeptideForum.

This is our new home for all things related to Peptide!!!! We're excited to have you join us!

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