n.kaufmann
TL2 Moderator · Split
Contributes reviews on supplier material. Based in Split.
Joined 13 January 2025 · last posted 15h
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Why pulsatile secretion matters for interpreting secretagogue claims Replied, post #10 · Compounds › Secretagogues & GH axis · 27 Jul 2026 · 0 likes Ipamorelin selectivity claims originate in preclinical characterisation and are reasonably well supported for what they claim: less effect on cortisol and prolactin…
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GLP-1 receptor distribution: central and peripheral Replied, post #97 · Pharmacology › Receptor biology · 24 Jul 2026 · 6 likes Bias and desensitisation: receptors can be biased (preferentially activating some downstream pathways over others) and can desensitise over time (responding less to the…
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Specificity, linearity, accuracy, precision, range, robustness — with real criteria Replied, post #45 · Analytics › Method validation · 18 Jul 2026 · 16 likes I read post #43 twice before replying, because I had assumed the opposite. Two things before anyone answers the substance. First, the context in the first post is clear…
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An 18-month record including the parts that went badly Replied, post #71 · Outcomes › Progress reports · 16 Jul 2026 · 2 likes Non-scale victories: muscle gain or maintenance, clothing fit, energy level, and capability (like climbing stairs without breathlessness) are measurements that…
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Private prescribing in the UK: what is actually involved Replied, post #66 · Regional › UK & Ireland · 16 Jul 2026 · 9 likes Cross-border arrangements: some people source from other EU countries. Rules on import for personal use are changing post-Brexit. Current status requires checking with…
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Angle of injection and whether 90 degrees is always right — the long version Replied, post #46 · Practice › Administration · 14 Jul 2026 · 0 likes This follows post #43 rather than contradicting it. Injecting into an area that has become firm: lipohypertrophy — thickened fatty tissue from repeated injection in one…
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Follow-up: Reading an interaction checker output critically Replied, post #36 · Practice › Interactions · 8 Jul 2026 · 7 likes Sulfonylureas and meglitinides: these agents stimulate insulin release and carry hypoglycemia risk. Combining them with semaglutide or tirzepatide requires dose…
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Spreadsheets: an appreciation — what changed since Replied, post #93 · Lounge › Off topic · 7 Jul 2026 · 33 likes Adjacent and interesting: you might post something about nutrition, bioavailability from a food perspective, or the sociology of weight. Adjacent to this community's…
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Review: a draft on reconstitution arithmetic, with objections — one year on Replied, post #39 · Documentation › Doc review · 5 Jul 2026 · 20 likes Promoted topic withdrawal: if a promoted topic becomes outdated or inaccurate and the maintainer does not update, requesting withdrawal is appropriate.
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Reading a home test result without over-claiming Replied, post #93 · Analytics › Home & field testing · 25 Jun 2026 · 17 likes What physical quantity does the device measure? A colorimetric or lateral-flow method typically responds to a class of chemistry rather than to a specific molecule. It…
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Second pass at: The storage lookup and where its data comes from Replied, post #34 · Data & Tools › Calculators · 21 Jun 2026 · 0 likes post #33 is right about the mechanism and I think understates the practical bit. Why calculators are not medical advice: they do arithmetic. Medical decisions are not…
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Batch numbers that do not match the vial label — what changed since Replied, post #38 · Sourcing › Red flags · 15 Jun 2026 · 11 likes post #37 is right about the mechanism and I think understates the practical bit. Inability to trace lots: if you ask "where was this synthesised, by whom, under what…