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Single comment threadYou are looking at one branch of [Question] Ireland — has anyone got a straight answer on packaging — 21 comments in the full submission. View in context.
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c/coldchain·submitted 2 months ago by u/osman_brandt

[Question] Ireland — has anyone got a straight answer on packaging

Questionbranch of 13 comments

Long-ish post, sorry. tl;dr at the bottom. I have been tracking ice pack against triglycerides for 29 weeks because I could not find anyone who had. The correlation is weaker than I expected, which is itself mildly interesting given how confidently people link the two in here. Caveats up front: one person, one lab,…

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13 comments, started 2 months ago
u/bastian_ekstrom96 points·2 months ago

The practical rule people converge on is 28 days at fridge temperature after first puncture, and that comes from the preservative, not the peptide.

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u/osman_brandtOP40 points·2 months ago

Logger trace from my shipment: 16 hours at 20°C. Powder tested 98.7% against 98.6% claim. Tolerates more than the box implies.

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u/kian_ekstrom76 points·2 months ago·edited

That is net peptide content, not purity. Different number, different meaning.

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u/iman_castellanos-29 points·2 months ago

customs clearance often breaks the cold chain, factor that in

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u/zeynep_ndiaye1 point·2 months ago

gel packs last 24 hours, after that you are relying on the box itself

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u/osman_brandtOP1 point·2 months ago

time-at-temperature integral is the dose, not just peak temperature

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u/split_dose_sceptic40 points·2 months ago

The confident tone is doing a lot of work that the evidence is not.

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u/anya_salgado60 points·2 months ago

lane reports need origin, destination, carrier, and actual transit days

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u/osman_brandtOP0 points·2 months ago

The practical rule people converge on is 28 days at fridge temperature after first puncture, and that comes from the preservative, not the peptide.

Adding to this: stability is doing more work than the comment implies.

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u/priya_weiss1 point·2 months ago

lyophilised powder is far more forgiving than reconstituted solution

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u/nightowl_injector1 point·2 months ago

Strongly agree. Peak temperature is not the whole story.

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u/salma_vasquez1 point·2 months ago·edited

gel packs last 23 hours, after that you are relying on the box itself

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[removed]1 point·2 months ago

[removed by moderator]

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Temperature and stability in the real world: what an excursion actually costs you, why lyophilised powder is far more forgiving than reconstituted solution, how to read a logger CSV, and how to photograph a failed shipment so the conversation with the vendor is short.

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