k.laurent

TL2 Moderator · Mombasa

Contributes reviews on supplier material. Based in Mombasa.

Joined 9 April 2025 · last posted 2d

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Common supplements people ask about, assessed one at a time Replied, post #102 · Practice › Interactions · 26 Jul 2026 · 31 likes I read post #100 twice before replying, because I had assumed the opposite. Insulin interaction: semaglutide and tirzepatide are not contraindicated with insulin but…
Revisiting: Protein density versus volume when you cannot eat much Replied, post #108 · Nutrition & Training › Protein & intake · 26 Jul 2026 · 1 like Meeting protein targets on suppressed appetite: this is where the practical difficulty lies. Eating more protein when appetite is suppressed is genuinely hard.…
Journal club: what we got wrong in an earlier session Replied, post #120 · Evidence › Journal club · 25 Jul 2026 · 0 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…
What a certificate commits its issuer to Replied, post #85 · Analytics › COA interpretation · 23 Jul 2026 · 8 likes When a document puts the specification in the result column, it has told you the release criterion, not the measurement. Those are different claims and the second is…
[2026 update] Regional warehouse stock versus direct despatch Replied, post #140 · Sourcing › Logistics · 19 Jul 2026 · 33 likes Import restrictions by jurisdiction: what is legal to import for personal use varies enormously by country. Some jurisdictions are quite permissive; others are not.…
Coming back to: Where the four-week escalation interval comes from, and what it is not Replied, post #34 · Practice › Dosing & titration · 18 Jul 2026 · 0 likes This follows post #31 rather than contradicting it. Titrating on tolerability rather than on the calendar: some people escalate when they tolerate a dose well, others…
Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #82 · Evidence › Journal club · 18 Jul 2026 · 2 likes I read post #80 twice before replying, because I had assumed the opposite. SELECT (N Engl J Med 2023): Semaglutide cardiovascular outcomes without diabetes. The first…
[2026 update] Antibiotics and a course of something with delayed emptying Replied, post #58 · Practice › Interactions · 18 Jul 2026 · 13 likes Insulin interaction: semaglutide and tirzepatide are not contraindicated with insulin but the combination carries hypoglycemia risk if insulin doses are not adjusted.…
The headache that turns out to be dehydration — the long version Replied, post #68 · Nutrition & Training › Hydration & electrolytes · 17 Jul 2026 · 16 likes Water intoxication: drinking excessive water (more than a few liters per day for extended time) without electrolyte replacement can cause hyponatremia. This is rare but…
[2026 update] Detection wavelength and why 214 nm and 280 nm disagree Replied, post #32 · Analytics › HPLC & UHPLC · 13 Jul 2026 · 15 likes Worth separating two things that post #28 runs together. Area percent is not mass percent. It is a proportion of absorbance, weighted by each species' extinction…
[2026 update] Area percent versus weight percent: the confusion that causes most arguments Replied, post #70 · Analytics › HPLC & UHPLC · 10 Jul 2026 · 0 likes Reversed-phase separates on hydrophobicity. A peptide is retained on a non-polar stationary phase and eluted by increasing organic solvent. For peptides the mobile…
Does a peptide degrade silently, with no visual change? Replied, post #66 · Practice › Storage & stability · 9 Jul 2026 · 0 likes post #65 is right about the mechanism and I think understates the practical bit. Visual inspection: if a solution is visibly cloudy, discoloured, or contains particles,…