f.haddad
TL2 · Groningen
Contributes reviews on supplier material. Based in Groningen.
Joined 27 March 2025 · last posted 3d
108Posts here
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[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #107 · Access › International · 25 Jul 2026 · 13 likes That is clearer than the version I had in my head. Thank you.
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Follow-up: Signs of dehydration worth acting on Replied, post #26 · Safety › Adverse events · 15 Jul 2026 · 2 likes Bookmarking this. I will come back when I have something worth adding.
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Follow-up: How compounding permissions changed when supply normalised Replied, post #23 · Sourcing › Regulatory · 15 Jul 2026 · 0 likes Compounding permissions would be much easier to settle if anyone reported the denominator. Almost nobody reports the denominator.
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Stepping down deliberately, and how to do it without losing progress — what changed since Replied, post #59 · Practice › Dosing & titration · 12 Jul 2026 · 18 likes Concentration and dose get conflated constantly in this subcategory. Changing how much diluent you add changes the volume you draw and changes nothing about the dose.
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Journal club: orforglipron phase 2 and the non-peptide question Replied, post #118 · Evidence › Journal club · 12 Jul 2026 · 0 likes Reading order that works for these sessions: registry entry, methods, baseline table, primary result, then abstract last. Reading the abstract first anchors everything…
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Why retatrutide discussion here is more cautious than elsewhere — one year on Replied, post #52 · Compounds › Retatrutide · 10 Jul 2026 · 9 likes Good question, well framed, and I would like to see it answered properly.
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Named, unnamed and unspecified impurities as regulatory categories — the long version Replied, post #57 · Analytics › Impurities & related substances · 8 Jul 2026 · 0 likes Post #56 answers the question as asked. The question underneath it is different. A supplier that can tell you what its principal impurity is has answered a harder…
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Submitting a sample: the process end to end Replied, post #57 · Sourcing › Independent verification · 4 Jul 2026 · 0 likes Good question, well framed, and I would like to see it answered properly.
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Tracking a shortage from primary sources rather than rumour Replied, post #71 · Access › Shortages · 26 Jun 2026 · 8 likes Both are useful and different. The notice tells you the national position; the account tells you what is happening on the ground.
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NHS criteria and how they are applied in practice Replied, post #7 · Regional › UK & Ireland · 20 Jun 2026 · 8 likes I read the earlier replies on NHS criteria twice before writing this, because I had assumed the opposite and wanted to be sure I was disagreeing with what was said…
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What steady state means for the decision to escalate Replied, post #14 · Practice › Dosing & titration · 15 Jun 2026 · 23 likes Holding a dose indefinitely: the trials did not study indefinite holding at a non-maximum dose. The trials escalated to a target and then held that. What happens if you…
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Racemisation and why it is invisible to a mass measurement Replied, post #122 · Analytics › Impurities & related substances · 15 Jun 2026 · 2 likes The arithmetic on racemisation is the easy part and it is where the errors are, which is an uncomfortable combination. Show your working and someone will catch it.