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crossposted from c/coldchain by u/salma_vasquez — [Lab] SSA tirz — Medutest came back 97.4% against a claimed 96.2%

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c/reconstitution·posted 4 months ago by u/liv_nkemelu

genuine question about reconstitution that I am slightly embarrassed to ask

Question Long Haul ×3 The Quiet One ×1

Week 91 update. 22kg down from the start, muscle cramps basically gone since about week 48.

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.

2,335 up / 244 down91% upvoted25 commentsid 4brdn310 Mar 2026

25 comments

9 in this archive, depth 3sorted by:

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u/saskia_rahimi318 points·4 months ago

This is correct. 2mL versus 20mL is the common mistake.

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u/santiago_ndiaye261 points·4 months ago

show your working or it is unhelpful

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u/alcohol_aversion303 points·4 months ago

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

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u/iman_falk441 points·4 months ago

This is correct. 1mL versus 5mL is the common mistake.

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u/cardio_endpoint_c143 points·4 months ago·edited

swirl, do not shake, or you are courting oxidation

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u/yusuf_nakamura108 points·4 months ago

Water content matters more than people think. If a vial is carrying residual moisture, your "10mg" is not 10mg of peptide.

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About c/reconstitution

The arithmetic and the technique. Bacteriostatic versus sterile water, reconstitution volume as a concentration choice, converting mg/mL into insulin-syringe units, dead space, swirl-not-shake, stopper coring, and how long a reconstituted vial is actually good for. Math errors get corrected fast and politely.

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