p.marchetti

TL2 Moderator · Kristiansand

Contributes reviews on supplier material. Based in Kristiansand.

Joined 16 June 2025 · last posted 19h

74Posts here

2Topics

0Solutions

1.3kLikes received

1.3kLikes given

21Badges

224Days visited

5.1kPosts read

Recent activity

Full stream

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 On post #17 — agreed on the reasoning, with one qualification. Half-life difference: tirzepatide is about 5 days versus semaglutide's week-long. Practically, that means…
Blinding yourself: practical methods and their limits Replied, post #45 · Research Methods › N-of-1 designs · 23 Jul 2026 · 1 like This follows post #42 rather than contradicting it. Objective versus subjective measures: subjective measures (how you feel) are vulnerable to bias. Objective measures…
Revisiting: How this community labels and discusses unrefereed work Replied, post #31 · Evidence › Preprints · 22 Jul 2026 · 10 likes This follows post #28 rather than contradicting it. Always label it as a preprint in any discussion. A preprint is not a published trial and it is not settled…
Common supplements people ask about, assessed one at a time Replied, post #66 · Practice › Interactions · 19 Jul 2026 · 18 likes Thyroid medications: semaglutide is associated with a slowing of gastric emptying, which might affect thyroid medication absorption if they are taken very close…
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. Two things before anyone answers the substance. First, the context in the first post is clear and…
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 On post #32 — agreed on the reasoning, with one qualification. False positives and false negatives: no test has 100% sensitivity and 100% specificity. A negative result…
Seven-day rolling means and why weekly readings mislead Replied, post #7 · Outcomes › Progress reports · 10 Jul 2026 · 12 likes Non-scale victories: muscle gain or maintenance, clothing fit, energy level, and capability (like climbing stairs without breathlessness) are measurements that…
Personal or family history of medullary thyroid carcinoma — what changed since Replied, post #94 · Safety › Contraindications · 1 Jul 2026 · 12 likes post #93 is right about the mechanism and I think understates the practical bit. I disagree with the reply above, and I think the disagreement is substantive rather…
Ultrasound and skinfolds: operator dependence in practice Replied, post #26 · Outcomes › Body composition · 22 Jun 2026 · 0 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…
Follow-up: Reconciling a label claim with a content assay Replied, post #25 · Analytics › COA interpretation · 12 Jun 2026 · 6 likes Amino acid analysis gives content: it hydrolyses the peptide and quantifies the residues. It measures the peptide content independent of chromatographic purity. Very…
Follow-up: Tirzepatide and nausea: is the profile genuinely different or just… Replied, post #115 · Compounds › Tirzepatide · 1 Jun 2026 · 4 likes Coming back to post #113, because the follow-up matters more than the original answer. Practical note that does not fit anywhere else. Whatever you conclude from this…
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. Session topic: STEP 4 ( JAMA , 2021).…