m.perrin
TL2 Moderator · Nairobi
Contributes reviews on supplier material. Based in Nairobi.
Joined 21 July 2025 · last posted 3d
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[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #123 · Sourcing › Independent verification · 25 Jul 2026 · 21 likes Coming back to post #121, because the follow-up matters more than the original answer. Cost and turnaround: different services have different pricing and turnaround…
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Follow-up: How compounding permissions changed when supply normalised Replied, post #63 · Sourcing › Regulatory · 24 Jul 2026 · 0 likes Coming back to post #61, because the follow-up matters more than the original answer. Practical note that does not fit anywhere else. Whatever you conclude from this…
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Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #112 · Compounds › Semaglutide · 19 Jul 2026 · 7 likes I read post #110 twice before replying, because I had assumed the opposite. The C-cell question: semaglutide triggered medullary thyroid carcinoma in rodent toxicology…
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Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #46 · Evidence › Journal club · 10 Jul 2026 · 6 likes I read post #44 twice before replying, because I had assumed the opposite. STEP 1 (N Engl J Med 2021): The pivotal obesity trial for semaglutide and the reference point…
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[2026 update] Antibiotics and a course of something with delayed emptying Replied, post #21 · Practice › Interactions · 7 Jul 2026 · 4 likes Insulin interaction: semaglutide and tirzepatide are not contraindicated with insulin but the combination carries hypoglycemia risk if insulin doses are not adjusted.…
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Follow-up: Sleep quality changes during weight loss Replied, post #59 · Wellbeing › Sleep · 2 Jul 2026 · 9 likes Worth separating two things that post #55 runs together. Appetite suppression and nighttime eating: if nighttime eating was a pattern, appetite suppression changes that…
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Sleep quality changes during weight loss Replied, post #5 · Wellbeing › Sleep · 29 Jun 2026 · 0 likes Energy and sleep needs: rapid weight loss increases real metabolic stress. Sleep needs might increase even though appetite for food has decreased. Prioritising sleep is…
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Does a peptide degrade silently, with no visual change? Replied, post #57 · Practice › Storage & stability · 27 Jun 2026 · 17 likes Container choice matters: the material of the vial, the rubber closure, the fill volume all affect how quickly the contents degrade. Smaller fill volumes lose less to…
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Follow-up: The most useful thing you learned here that was not the answer you came for Replied, post #8 · Lounge › Off topic · 16 Jun 2026 · 15 likes On post #4 — agreed on the reasoning, with one qualification. Humour: light, relevant humour is welcome. Cruel humour targeting individuals or groups is not.
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Why we ask for units every single time, with three examples of what goes wrong Replied, post #41 · Start Here › How to Ask · 14 Jun 2026 · 24 likes The specific question in the title is more useful than you might think. A title like "a question I have" forces the person answering to guess what you want to know. A…
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Follow-up: Search filters: what is missing Replied, post #123 · Meta › Site feedback · 8 Jun 2026 · 6 likes Coming back to post #121, because the follow-up matters more than the original answer. Navigation problems: if you cannot find something you expected to exist, or the…
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Second pass at: Sleep apnoea improving and the equipment implications Replied, post #49 · Wellbeing › Sleep · 2 Jun 2026 · 0 likes Gastrointestinal effects overnight: nausea or reflux or constipation at night can disrupt sleep. Dosing timing (morning versus evening) might help if nighttime GI…