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c/reconstitution·posted 5 months ago by u/niels_roos

anyone else notice concentration kicking in around week 40

PSA Clean Column ×6

reconstitution. That is the whole post, but I will justify it.

Everything else people worry about in c/glp1muscle is downstream of it. Titration speed, early fullness, the endless dose arguments — most of it resolves if you sort reconstitution out first, and almost nobody does.

I say this having got it wrong for 15 months. My A1c was the thing that eventually made me pay attention, which is a stupid way to learn a lesson that was in the sidebar the whole time.

621 up / 14 down98% upvoted29 commentsid 55q6q08 Feb 2026

29 comments

21 in this archive, depth 5

best — the order this archive was captured in

u/andres_sorensen44 points·5 months ago

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

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u/bac_water_banditMOD23 points·5 months ago

Tracking number removed. It identifies both ends of a shipment.

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[removed]17 points·5 months ago

[removed by moderator]

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u/batch_number_bertievetting13 points·5 months ago

more water means more units for the same dose, which means finer resolution

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u/vial_math_verasyringe math-30 points·5 months ago

No. This is the kind of confident post that gets copied into a screenshot and repeated for years. Where is the evidence.

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u/ines_lindqvist7 points·5 months ago

u-100 syringe, not u-40, or your math is off by factor of 23

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u/emil_zamora2 points·5 months ago·edited

bacteriostatic and sterile water are not interchangeable, do not use them that way

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u/cesar_ivaturi13 points·5 months ago

Yeah, showing the arithmetic is the fastest way for someone to spot the error.

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u/ismael_nwosu10 points·5 months ago

more water means more units for the same dose, which means finer resolution

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u/escrow_evangelist8 points·5 months ago·edited

never post a calculation as advice without stating the concentration

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u/oskar_ibarra6 points·5 months ago

u-100 syringe, not u-40, or your math is off by factor of 23

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u/georgi_adebayo38 points·5 months ago

Yeah, showing the arithmetic is the fastest way for someone to spot the error.

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u/rina_bergstrom29 points·5 months ago

Yeah, showing the arithmetic is the fastest way for someone to spot the error.

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u/wanjiru_varga25 points·5 months ago

Two vials, two different concentrations, forgot which was which, almost made a 13 times error. Now I label everything.

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u/signe_grimaldi9 points·5 months ago

u-100 syringe, not u-40, or your math is off by factor of 20

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u/anya_antonsen16 points·5 months ago

bacteriostatic and sterile water are not interchangeable, do not use them that way

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u/declared_value_dv20 points·5 months ago·edited

I am going to push back on this slightly.

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u/rasmus_mensah20 points·5 months ago

This is the "correlation is mechanism" thing again. You changed three variables at once.

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u/emil_wojcik13 points·5 months ago

20mg vial, 2mL water, concentration is 20/2 — write it on the vial afterwards

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u/iman_falk5 points·5 months ago

You have restated the marketing copy. What is the actual substance here.

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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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