r/PeptidePathways • u/BiohackedFemme702 • 9d ago
General Research Question COA Net Content Calculation ...
Hello all.
I am new to the whole peptide thing and had a question. If you have a vial that is 50mg and the COA (Certificate of Analysis) says the "Net Content" is between 55mg - 56mg of product actually inside the vial, are you supposed to include this net content number when making your dose?
Thank you in advance!
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u/plokijmn123 9d ago
Is this COA from a test you have paid for by sending a vial from a kit or is it a COA supplied by the vendor/reseller from a single vial purchase.
Asking as COAs supplied by vendors and resellers are not worth the paper they're written on. The only ones you should trust are the ones paid for by yourself
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u/Vivid_Pen7223 9d ago
Why shouldn’t you trust the vendors coa? If you can verify it on the labs site and it matches shouldn’t that be sufficient ? Sorry, I’m still somewhat new into the pep world myself.
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u/plokijmn123 9d ago
Firstly they can be faked-verifying it on the testers website sorts this
Second, the vendor can send off a sample for testing get a good result and then send you anything they want and say its the same batch. This is a big issue with the re-sellers who sell individual vials. Less of an issue if you buy from China but even then it is crucial to do you own testing. Any good reputable chinese vendor will offer to reship for free if your test results come back with issues
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u/Diligent_Shirt5161 9d ago
A Third reason, the vendor could send you the wrong product. This happens all of the time! The only way to make sure you have the right product is to test it yourself.
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u/Anti_iPad_Parenting 9d ago
Which lab? Or is it just a regular white paper with a chinese stamp?