GLPHubglpresearchhub.com
Read-only archive. GLP Research Hub is a static community record — nothing here is for sale, no account is needed, and no vote you cast is counted. Why?
Single comment threadYou are looking at one branch of Spain: concentration, and what it actually costs here — 58 comments in the full submission. View in context.
4.1k
c/reconstitution·submitted 6 months ago by u/liv_nkemelu

Spain: concentration, and what it actually costs here

Questionbranch of 15 comments

Quick one. Canada here. reconstitution works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice that simply does not apply outside the US. Specifics: the route I used took 10 weeks and cost roughly what I expected. The admin was worse than…

Read the full submission and all 58 comments →

This branch

15 comments, started 6 months ago
u/india_generic_g562 points·6 months ago

Three years on this site and the questions have not changed at all. Which is depressing or reassuring depending on the day.

replysharereportpermalink
u/honest_syringe_maybe371 points·6 months ago

Respectfully this is a sample of one presented as a finding.

replysharereportpermalink
[removed]281 points·6 months ago

[removed by moderator]

replysharereportpermalink
u/santiago_ndiaye393 points·6 months ago

The single most useful thing I did was write the concentration on the vial. Stopped all the confusion after that.

replysharereportpermalink
u/oskar_ibarra224 points·6 months ago

never post a calculation as advice without stating the concentration

replysharereportpermalink
u/cesar_ivaturi147 points·6 months ago

Not to be pedantic but reconstitution and dead space are being used interchangeably and they are not interchangeable in real life.

replysharereportpermalink
u/georgi_adebayo100 points·6 months ago

Not to be pedantic but reconstitution and dead space are being used interchangeably and they are not interchangeable in real life.

Yes, exactly this, and it is the bit that took me 66 weeks to accept.

replysharereportpermalink
u/india_generic_g165 points·6 months ago

i am begging people to write down the concentration

replysharereportpermalink
u/liv_nkemeluOP353 points·6 months ago

Are you using a u-100 or u-40 syringe? That changes everything.

replysharereportpermalink
u/ahmed_rasmussen218 points·6 months ago

show your working or it is unhelpful

replysharereportpermalink
u/india_generic_g98 points·6 months ago

What was the vial size and how much bac water?

replysharereportpermalink
u/dilara_szabo37 points·6 months ago·edited

swirl, do not shake, or you are courting oxidation

replysharereportpermalink
u/oskar_ibarra153 points·6 months ago

Small correction: the trial was 11 weeks, not 7. Does not change your point but people will quote it.

replysharereportpermalink
u/liv_nkemeluOP132 points·6 months ago

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

replysharereportpermalink
u/ines_ekstrom195 points·6 months ago

Small correction: the trial was 19 weeks, not 29. Does not change your point but people will quote it.

replysharereportpermalink

← back to the whole thread

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.

88kmembers
130submissions
Aug 2023created
submissions / month, last year
Sponsored

Sigma-Aldrich Standards

Certified reference materials for peptide identity and purity work.

sigmaaldrich.com
c/reconstitution rules
  1. Show your numbers. "How many units?" with no mg and no mL cannot be answered.
  2. Never post a calculation as advice without stating the concentration it assumes.
  3. No sterile-compounding-for-others discussion. Personal handling only.
  4. Independent community. Nobody here sells anything, and anyone who tries is banned.
  5. Not medical advice. Describe what you did; never prescribe to a stranger.
  6. Claims need evidence. Batch numbers, dated screenshots, independent test reports, or a citation.
  7. No referral links, discount codes or affiliate URLs. Permanent ban, no appeal.
  8. No contact handles, wallet addresses or tracking numbers — they identify people.
  9. Be recognisably decent. Disagree hard, insult nobody.
Moderators
Volunteers. Unpaid, unaffiliated, and reachable through modmail only.
Before you read on

Several compounds discussed on GLP Research Hub are sold for research use only and are not approved for human use anywhere. Nothing here is medical advice and none of it is written by your clinician. If a post reads like an instruction, treat it as a description of what one stranger did.