j.falk
TL2 Moderator · Lublin
Contributes reviews on supplier material. Based in Lublin.
Joined 17 June 2025 · last posted 23h
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What would change my mind about repair peptides: a specific answer Replied, post #31 · Compounds › Repair & healing peptides · 27 Jul 2026 · 8 likes For anyone arriving from search engines: this subcategory discusses published preclinical work and the absence of published clinical work. It does not endorse or…
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Asking a follow-up: new topic or new reply? Replied, post #73 · Start Here › How to Ask · 26 Jul 2026 · 4 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
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Coming back to: Delayed gastric emptying and oral medication absorption: which drugs… Replied, post #55 · Practice › Interactions · 22 Jul 2026 · 14 likes post #54 is right about the mechanism and I think understates the practical bit. Food interactions: most interactions are absorption interactions. Some medications…
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Batch numbers that do not match the vial label Replied, post #37 · Sourcing › Red flags · 2 Jul 2026 · 3 likes This follows post #34 rather than contradicting it. I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The…
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A plateau that disappeared when I changed how I measured — the long version Replied, post #53 · Outcomes › Progress reports · 22 Jun 2026 · 22 likes Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when…
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A calculator that gives a right answer to the wrong question Replied, post #27 · Data & Tools › Calculators · 12 Jun 2026 · 30 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
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Spreadsheets: an appreciation — what changed since Replied, post #67 · Lounge › Off topic · 11 Jun 2026 · 2 likes On post #63 — agreed on the reasoning, with one qualification. Newer drugs and mechanisms: when a new drug launches or a new mechanism is discovered, the Lounge is a…
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A reconstituted vial's beyond-use date and the reasoning behind common figures Replied, post #15 · Practice › Storage & stability · 1 Jun 2026 · 19 likes Coming back to post #13, because the follow-up matters more than the original answer. Protecting from light: amber vials or opaque containers reduce light exposure. If…
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Coming back to: Why a preprint's supplementary material is often the best part Replied, post #67 · Evidence › Preprints · 31 May 2026 · 25 likes Discussing preprints in this community: bring them in for early discussion, label them clearly as preprints, invite peer critique, and be prepared for the discussion to…
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An appeal that succeeded, with the letter structure — the long version Replied, post #27 · Access › Insurance & coverage · 29 May 2026 · 24 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
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Specificity, linearity, accuracy, precision, range, robustness — with real criteria Replied, post #19 · Analytics › Method validation · 19 May 2026 · 5 likes Range: the concentration range over which the method has been validated. Going outside the validated range is going outside the method's demonstrated performance.
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Electrolyte supplements: which ones do anything Replied, post #8 · marked as the solution · Nutrition & Training › Hydration & electrolytes · 13 May 2026 · 7 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…