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do i need to keep it in the fridge before i mix it

Discussion Receipts ×6 Long Haul ×1

do i need to keep it in the fridge before i mix it. Searched first, found three threads that contradict each other, hence the post.

My first question here was genuinely basic and it now shows up in search for other people asking it.

Wrote the concentration on the vial after reading it here. Have never once had to reconstruct it from memory since.

Asked what a COA was in my first week. Somebody linked the explainer and I have been reading them ever since.

I will update this if the picture changes rather than quietly leaving it up.

1,503 up / 567 down73% upvoted43 commentsid 1970ll21 Jul 2026

43 comments

28 in this archive, depth 5

best — the order this archive was captured in

u/neha_falk141 points·8 days ago

Concentration is mass over volume, and a U-100 syringe reads 100 units per millilitre. Those two facts are the whole of the arithmetic this board keeps explaining.

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u/laila_delgado50 points·8 days ago

Agreed — week two with nothing on the scale is so common it should be in the sidebar. It probably is.

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[deleted]21 points·7 days ago

[deleted]

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u/muscle_cramp_moOP9 points·7 days ago

nobody here can tell you what dose to be on

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u/marisol_kravchenko3 points·7 days ago

ask the dumb question, three other people are searching for it

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u/second_week_sceptic6 points·7 days ago

the starting dose is not meant to be the dose that works

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u/muscle_cramp_moOP0 points·7 days ago

Did you write the concentration on the vial?

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u/reads_the_wiki1 point·7 days ago

pens and vials are the same molecule with different logistics

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u/enzo_fonseca1 point·7 days ago

read the wiki first, then ask anyway

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u/nordic_pricing1 point·7 days ago

Gently disagree with the framing — nothing has gone wrong. Week 3 looking flat is the ordinary experience.

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u/old_account_202340 points·7 days ago

Yes — nobody here is your clinician, and the good answers on this board all end with that.

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u/mateusz_adebayo10 points·7 days ago

titration means going slow on the way up

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u/nausea_notesside effects34 points·8 days ago

Research-use-only material is not approved for human use. That is a plain statement of regulatory fact and it belongs in every beginner thread.

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u/lina_adebayo13 points·7 days ago

week two with nothing happening is normal

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u/ffmi_watcher-8 points·8 days ago

The five things that would have saved me the most time in month one.

One: the first month is a tolerance check, not a results phase. Two: appetite usually changes before the scale does, so watch that instead. Three: write the concentration and the date on the vial the moment you reconstitute anything. Four: the loud posts are not the middle of the distribution. Five: nobody here — including whoever answers most confidently — is your clinician.

None of that is advice about what to take. It is the shape of the first few weeks, which is what I actually wanted and could not find.

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u/low_appetite_lisa1 point·8 days ago

Correction: the starting dose is a tolerance step rather than a treatment dose. The distinction is the answer to the question above.

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u/ines_ekstrom64 points·7 days ago

Cosigning the wiki point, and also: ask anyway. The wiki cannot tell you it understood your question.

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u/aurel_boateng21 points·6 days ago

a COA is a certificate of analysis, the lab document for a batch

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u/greta_chukwu27 points·6 days ago

Agreed that appetite moves before the scale. Knowing that in advance saves a lot of week-three panic.

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u/food_noise_gonemaintenance18 points·6 days ago

Small correction, said kindly: those are two different products with similar names, and the difference matters for a multi-draw vial.

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u/muscle_cramp_mo9 points·6 days ago

Yes. The starting dose is a tolerance step. It is not supposed to do very much.

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u/dexa_twice_yearlybody comp51 points·7 days ago

search first, but a repeat question is not a crime

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u/britta_nakamura23 points·7 days ago

search first, but a repeat question is not a crime

Agreed, and for anyone finding this later: that is the normal experience, not a warning sign.

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u/food_noise_gonemaintenance19 points·7 days ago

research-use-only material is not approved for human use, and that belongs in every beginner thread

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u/micro_bump_mick29 points·7 days ago

Same. The injection was the thing I was most nervous about and the thing that turned out to matter least.

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u/britta_nakamura23 points·6 days ago

What is the actual question underneath the question? Happy to answer both.

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u/muscle_cramp_moOP14 points·6 days ago

write the concentration on the vial, you will thank yourself

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u/sulphur_burps_sue18 points·7 days ago

Spent my first fortnight comparing myself to the loudest posters. Do not do that; they are not the middle of the distribution.

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