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c/coa·posted 2 years ago by u/karma_irrelevant

[Question] how do you actually verify water content

Question Well Actually ×9 Sourced ×2 Slow Clap ×1

Week 10 update. 31kg down from the start, muscle cramps basically gone since about week 62.

Things that worked: consistency, protein at breakfast, walking more than I want to. Things that did not: everything I bought on the internet to help with muscle cramps.

The part that surprised me is how much of this is admin. Ordering, storing, logging, remembering. Nobody mentions that the hard bit is not the drug, it is the routine.

Happy to answer anything. Please do not ask me what dose you should be on.

5,226 up / 623 down89% upvoted53 commentsid 1xhq9a15 Feb 2024

53 comments

23 in this archive, depth 5

best — the order this archive was captured in

u/dario_vermeulen0 points·2 years ago

Are you looking at area% or net peptide content? Different numbers.

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u/elodie_yilmaz1 point·2 years ago

redact your own name, not the vendor's batch details

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u/joaquin_ivaturi1 point·2 years ago

post the whole document, not the headline number

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u/aurel_boateng1 point·2 years ago

Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.

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u/karma_irrelevantOP1 point·2 years 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/rohan_steiner220 points·2 years ago

Mechanistically the bit that matters is water content. It explains most of the early profile and a decent chunk of the outcome.

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u/dead_space_doug115 points·2 years ago

the batch number or it did not happen

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u/karma_irrelevantOP56 points·2 years ago

Four months on the site and I was confusing area% and mass% in every post I made. One explainer thread and it clicked.

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u/tidy_vialdrawer_pls15 points·2 years ago

Strongly agree. Mass% and area% are answering different questions on the same document.

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u/chidi_demir106 points·2 years ago

Strongly agree. Mass% and area% are answering different questions on the same document.

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u/karma_irrelevantOP79 points·2 years 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/yusuf_nakamura64 points·2 years ago

the related substances line is where the story is

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u/karma_irrelevant55 points·2 years ago

Disagree. What you are describing is consistent with purity, not with what you concluded.

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u/fatima_wojcik46 points·2 years ago

the batch number or it did not happen

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u/anya_correia-16 points·2 years ago

redact your own name, not the vendor's batch details

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u/nikhil_lindqvist1 point·2 years ago

the related substances line is where the story is

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u/zaid_balogun63 points·2 years ago

chromatogram or it did not happen

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u/soren_zamora15 points·2 years ago

chromatogram or it did not happen

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

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u/sunday_shot_sal22 points·2 years ago

the related substances line is where the story is

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u/marisol_frisk9 points·2 years ago

Cosigning. The batch number is load-bearing information.

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u/teodor_lokken15 points·2 years ago

axis labels included, always

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About c/coa

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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