n.ibarra

TL2 Moderator · Córdoba

Contributes reviews on supplier material. Based in Córdoba.

Joined 24 March 2025 · last posted 2d

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Alcohol: what is documented and what is folklore Replied, post #134 · Practice › Interactions · 26 Jul 2026 · 0 likes Vitamins: most vitamins have no significant interaction. Fat-soluble vitamins (A, D, E, K) might be affected by the slowing of fat absorption during weight loss, but…
Revisiting: The best-written scientific paper you have read Replied, post #110 · Lounge › Off topic · 23 Jul 2026 · 20 likes post #109 answers the question as asked. The question underneath it is different. Humour: light, relevant humour is welcome. Cruel humour targeting individuals or…
Second pass at: What a 2 ppm match establishes, and what it does not Replied, post #47 · Analytics › Mass spectrometry · 21 Jul 2026 · 1 like Resolution: "high resolution" commonly means
A pooled estimate that changed when one trial was added Replied, post #26 · Evidence › Meta-analyses · 20 Jul 2026 · 6 likes Picking up post #23: that is the part I would want checked first. Number needed to treat from a meta-analysis: can be computed from the pooled estimate if the baseline…
What a certificate commits its issuer to Replied, post #37 · Analytics › COA interpretation · 15 Jul 2026 · 1 like Water content (residual moisture) matters: lyophilised peptide is not dry. A few percent water is normal. The difference between a TFA salt and an acetate salt can be…
Why retatrutide discussion here is more cautious than elsewhere — one year on Replied, post #60 · Compounds › Retatrutide · 13 Jul 2026 · 20 likes How to read phase 2 without treating it as phase 3: phase 2 establishes that a dose range produces an effect and is tolerable enough to justify large trials. It does…
The anatomy of a question that gets answered within an hour Replied, post #105 · Start Here › How to Ask · 8 Jul 2026 · 24 likes This follows post #102 rather than contradicting it. Disagreement-style questions: "I read this and it contradicts what I heard here, which is right?" is answerable.…
Tracking a shortage from primary sources rather than rumour Replied, post #79 · Access › Shortages · 1 Jul 2026 · 2 likes post #78 is right about the mechanism and I think understates the practical bit. Resuming after a gap: after a gap of days or a few weeks, most people resume at the…
Common supplements people ask about, assessed one at a time Started this topic · Practice › Interactions · 30 Jun 2026 · 5 likes Common supplements people ask about, assessed one at a time — setting out what I have, and where I think it stops being reliable. A question about technique rather than…
What I would want from a home test that does not exist yet Replied, post #21 · Analytics › Home & field testing · 27 Jun 2026 · 3 likes False positives and false negatives: no test has 100% sensitivity and 100% specificity. A negative result does not guarantee absence; a positive result does not…
Reading a home test result without over-claiming Replied, post #89 · Analytics › Home & field testing · 22 Jun 2026 · 3 likes Lateral-flow devices: like a rapid COVID test. They have a reagent strip and produce a colour result. They are quick but not precise and not intended for quantitative…
Ultrasound and skinfolds: operator dependence in practice Replied, post #13 · Outcomes › Body composition · 11 Jun 2026 · 7 likes Bioelectric impedance analysis: less precise than DXA and strongly affected by hydration state. Not reliable for detecting month-to-month changes. Useful for trend over…