p.marchetti

TL2 · Kristiansand

Contributes reviews on supplier material. Based in Kristiansand.

Joined 16 June 2025 · last posted 19h

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What the GIP component of tirzepatide is thought to contribute, and how confident we can… Replied, post #21 · Compounds › Tirzepatide · 27 Jul 2026 · 9 likes I read post #17 twice before replying, because I had assumed the opposite. On purity: the trailing-edge features people report on tirzepatide chromatograms are…
Blinding yourself: practical methods and their limits Replied, post #45 · Research Methods › N-of-1 designs · 23 Jul 2026 · 1 like Narrowing post #42, because the general version has more than one answer. Distinguishing three things in the blinding yourself discussion that keep getting used…
Revisiting: How this community labels and discusses unrefereed work Replied, post #31 · Evidence › Preprints · 22 Jul 2026 · 10 likes Adding the measurement that post #28 says would settle it. The confident answers on community labels and the well-sourced answers are not the same answers, which is the…
Common supplements people ask about, assessed one at a time Replied, post #66 · Practice › Interactions · 19 Jul 2026 · 18 likes Metformin: commonly co-administered and relevant to gastrointestinal tolerability. Gastrointestinal side effects can overlap and additive. Taking them separately or…
What to bring: records that a clinician can actually use — a second dataset Replied, post #47 · Clinical › Prescriber conversations · 17 Jul 2026 · 32 likes On post #43 — agreed on the reasoning, with one qualification. A question phrased as "what would you want to see before considering X" is answerable and is not a…
What I would want from a home test that does not exist yet Replied, post #36 · Analytics › Home & field testing · 13 Jul 2026 · 12 likes Post #32 and I disagree about the size of the effect, not about the direction. Nothing available at home distinguishes a correct sequence from a closely related…
Seven-day rolling means and why weekly readings mislead Replied, post #7 · Outcomes › Progress reports · 10 Jul 2026 · 12 likes I had read the opposite somewhere and cannot now find where, which tells me something.
Personal or family history of medullary thyroid carcinoma — what changed since Replied, post #94 · Safety › Contraindications · 1 Jul 2026 · 12 likes Adding the measurement that post #93 says would settle it. Allergy to the specific compound: true allergy is rare but possible. Any prior allergic reaction to the same…
Ultrasound and skinfolds: operator dependence in practice Replied, post #26 · Outcomes › Body composition · 22 Jun 2026 · 0 likes Ultrasound and skinfolds came up in a thread eighteen months ago and was answered well. I cannot find it, which is itself the problem, so here is the reconstruction.
Follow-up: Reconciling a label claim with a content assay Replied, post #25 · Analytics › COA interpretation · 12 Jun 2026 · 6 likes Peptide content and chromatographic purity are separate determinations and a certificate that reports only one has answered only one question. Content is the one that…
Follow-up: Tirzepatide and nausea: is the profile genuinely different or just… Replied, post #115 · Compounds › Tirzepatide · 1 Jun 2026 · 4 likes I had written a reply contradicting post #112 and deleted it. Here is what survived. The GIP component: GIP receptor agonism is thought to amplify the GLP-1 effect on…
A pooled estimate that changed when one trial was added Started this topic · Evidence › Meta-analyses · 17 May 2026 · 0 likes A pooled estimate that changed when one trial was added — setting out what I have, and where I think it stops being reliable. I was wrong about pooled estimate in a…