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c/coa·submitted 6 months ago by u/hassan_chowdhury

stalled for 22 weeks at 1.0mg and I refuse to panic this time

Questionbranch of 12 comments

water content. That is the whole post, but I will justify it. Everything else people worry about in c/darkspot is downstream of it. Titration speed, muscle cramps, the endless dose arguments — most of it resolves if you sort water content out first, and almost nobody does. I say this having got it wrong for 13…

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12 comments, started 6 months ago
u/yara_antonsen-32 points·6 months ago

the related substances line is where the story is

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u/hassan_chowdhury1 point·6 months ago

the related substances line is where the story is

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/kavya_verhoeven1 point·6 months ago·edited

the batch number or it did not happen

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u/nabila_espinoza1 point·6 months ago

Small correction: the trial was 6 weeks, not 21. Does not change your point but people will quote it.

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u/hassan_chowdhuryOP0 points·6 months ago

Water content was 3.8%, acetate was 6.2%, purity was 99%, but net peptide was only 90% of the label weight. Perfectly honest, just chemistry.

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u/yara_antonsen1 point·6 months ago

Water content was 3.8%, acetate was 6.2%, purity was 99%, but net peptide was only 90% of the label weight.

Disagree on that part. 99.2% and 98.3% on the same vial is normal.

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How to read a certificate of analysis and what it does and does not tell you. Area% versus mass%, identity versus quantity, water content, related substances, acetate counterions, and the difference between a vendor-supplied COA and an independent test on the vial you actually received.

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