e.kimani

TL2 Moderator · Funchal

Contributes reviews on supplier material. Based in Funchal.

Joined 27 January 2025 · last posted 2d

91 posts, newest first. Showing up to 150.

[2026 update] A report I filed that turned out to be wrong, and the correction Replied, post #20 · Sourcing › Vendor reports · 26 Jul 2026 · 8 likes Dosing and purity: a vial that is 99% pure might contain 80% of its label claim if the other mass is water, counter-ion, and excipient. Purity and content are…
Coming back to: Telehealth prescribing models in the US Replied, post #28 · Regional › North America · 25 Jul 2026 · 22 likes Private insurance gaps: some people have private insurance but medication is not covered. Manufacturer assistance programmes are the main resource for cost reduction.
Journal club: what we got wrong in an earlier session Replied, post #111 · Evidence › Journal club · 23 Jul 2026 · 0 likes SURMOUNT-OSA (N Engl J Med 2024): Tirzepatide in obstructive sleep apnoea, using an objective physiological endpoint. Notable because soft endpoints are avoided. Two…
Coming back to: Where the four-week escalation interval comes from, and what it is not Replied, post #39 · Practice › Dosing & titration · 21 Jul 2026 · 0 likes Worth separating two things that post #35 runs together. When a dose reduction is the correct response to a side effect: if a side effect is dose-dependent (nausea,…
Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #89 · Evidence › Journal club · 20 Jul 2026 · 28 likes FLOW (N Engl J Med 2024): Semaglutide renal outcomes in type 2 diabetes and chronic kidney disease. Stopped early for efficacy. Component-by-component analysis is…
NHS criteria and how they are applied in practice Replied, post #34 · Regional › UK & Ireland · 18 Jul 2026 · 0 likes Cross-border arrangements: some people source from other EU countries. Rules on import for personal use are changing post-Brexit. Current status requires checking with…
[2026 update] Regional warehouse stock versus direct despatch Replied, post #137 · Sourcing › Logistics · 17 Jul 2026 · 17 likes Insurance and carrier liability: most parcel carriers limit liability. Understanding the limits before choosing a carrier matters if you are shipping expensive material.
Micro-titration: a disputed topic, argued properly — one year on Replied, post #63 · Practice › Dosing & titration · 14 Jul 2026 · 23 likes Dose equivalence between different incretin analogues is a weak concept. The molecules differ in structure, half-life, receptor selectivity, and in what has been…
Here for the analytics and not much else Replied, post #27 · Lounge › Introductions · 13 Jul 2026 · 16 likes No spam: introductions are not a place to advertise commercial products or services. That is a rules violation.
Risk-of-bias tools and the judgement they conceal — does this still hold? Replied, post #22 · Evidence › Meta-analyses · 3 Jul 2026 · 2 likes Funnel plots: a plot of study effect size versus sample size that helps detect publication bias. If small studies are missing on the negative side, the funnel is…
Historical amylin analogues and what happened to them Replied, post #26 · Compounds › Cagrilintide & amylin analogues · 1 Jul 2026 · 0 likes What is genuinely unknown about long-term amylin agonism: real-world response rates, whether effect is durable with continued use, whether satiety adaptation occurs…
I have no scientific background — can I still follow the analytics categories? Replied, post #29 · Start Here › Welcome · 29 Jun 2026 · 0 likes I read post #27 twice before replying, because I had assumed the opposite. Off-topic posts that do not belong here belong in the Lounge instead. You are not in trouble…
Pooling trials with different estimands Replied, post #57 · Evidence › Meta-analyses · 29 Jun 2026 · 3 likes Inclusion and exclusion criteria: a meta-analysis is only as good as its inclusion criteria. If the criteria are too broad, apples and oranges get pooled. If they are…
GLP-1 receptor distribution: central and peripheral Replied, post #79 · Pharmacology › Receptor biology · 29 Jun 2026 · 1 like Species differences: rodent studies show the same compounds produce effects in rodents that predict human effects reasonably well for semaglutide and tirzepatide. The…
Second pass at: Programming during a large energy deficit Replied, post #44 · Nutrition & Training › Resistance training · 25 Jun 2026 · 9 likes Recovery: heavier training on a energy deficit and on a compound that slows gastric emptying requires attention to recovery (sleep, nutrition, stress). Recovery…
[2026 update] Area percent versus weight percent: the confusion that causes most arguments Replied, post #61 · Analytics › HPLC & UHPLC · 21 Jun 2026 · 0 likes post #60 is right about the mechanism and I think understates the practical bit. Peak purity: a diode-array detector records a spectrum at every time point. If a peak…
Coming back to: Reconciling a supplier certificate with an independent result Replied, post #16 · Sourcing › Vendor reports · 19 Jun 2026 · 0 likes This follows post #13 rather than contradicting it. What "verified" means on our pages: specific lots were independently measured on stated dates by named services and…
Follow-up: Search filters: what is missing Replied, post #133 · Meta › Site feedback · 19 Jun 2026 · 7 likes post #132 answers the question as asked. The question underneath it is different. Performance: if pages are slow to load, timeouts occur, or the site is unresponsive,…
Pages past their review date, listed — does this still hold? Replied, post #7 · Meta › Wiki maintenance · 9 Jun 2026 · 23 likes Orphaned pages: if a page has no incoming links and is not reachable from navigation, it is orphaned. Such pages should either be linked or deprecated.
Micronutrient adequacy at low total intake Replied, post #32 · Nutrition & Training › Protein & intake · 8 Jun 2026 · 2 likes Worth separating two things that post #28 runs together. Meeting protein targets on suppressed appetite: this is where the practical difficulty lies. Eating more…
Angle of injection and whether 90 degrees is always right — the long version Replied, post #15 · Practice › Administration · 1 Jun 2026 · 16 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…
Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #31 · Analytics › Home & field testing · 26 May 2026 · 11 likes Why third-party testing is stronger: a home test run by the person who made the compound is a self-selected result. The test run by a neutral third party removes…
Reflectance and photometric devices: precision in practice — a second dataset Replied, post #36 · Analytics › Home & field testing · 26 May 2026 · 11 likes On post #32 — agreed on the reasoning, with one qualification. Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what…
Blind submission and why it changes minds — the long version Replied, post #75 · Sourcing › Independent verification · 14 May 2026 · 3 likes On post #71 — agreed on the reasoning, with one qualification. Interpreting a result: a purity figure is one measurement on one vial on one day. Agreement across two…
Common supplements people ask about, assessed one at a time — a second dataset Replied, post #96 · Practice › Interactions · 29 Apr 2026 · 2 likes Picking up post #93: that is the part I would want checked first. I disagree with the reply above, and I think the disagreement is substantive rather than…
Semaglutide formulation: what is in the licensed product besides the peptide Replied, post #5 · Compounds › Semaglutide · 26 Apr 2026 · 0 likes I read post #3 twice before replying, because I had assumed the opposite. On alcohol: the labelling does not contraindicate it, but it raises gastric irritation risk…
Moderation log format change Replied, post #46 · Meta › Announcements · 20 Apr 2026 · 22 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…
Bioimpedance and hydration: why the number moves Replied, post #33 · Outcomes › Body composition · 20 Apr 2026 · 20 likes Ultrasound: thickness of subcutaneous fat at specific sites. Less standardised than DXA and operator-dependent. Useful as a supplementary measure but not as a primary…
Pinch or no pinch, and how needle length changes the answer — what changed since Replied, post #15 · Practice › Administration · 14 Apr 2026 · 3 likes Coming back to post #13, because the follow-up matters more than the original answer. Having read the exchange above, I think I was wrong earlier in this topic and I…
Batch numbers that do not match the vial label Replied, post #5 · marked as the solution · Sourcing › Red flags · 12 Apr 2026 · 15 likes Coming back to post #3, because the follow-up matters more than the original answer. Inability to trace lots: if you ask "where was this synthesised, by whom, under…
CJC-1295 with and without DAC: what the modification does Replied, post #20 · Compounds › Secretagogues & GH axis · 26 Mar 2026 · 1 like Ipamorelin selectivity claims originate in preclinical characterisation and are reasonably well supported for what they claim: less effect on cortisol and prolactin…
Measurement error in home scales, with a worked standard deviation Replied, post #18 · Research Methods › Statistics · 5 Mar 2026 · 25 likes Coming back to post #16, because the follow-up matters more than the original answer. Effect sizes: the magnitude of a difference, not just whether it is statistically…
Revisiting: Language barriers in accessing a prescription abroad Replied, post #130 · Access › International · 25 Feb 2026 · 0 likes Picking up post #127: that is the part I would want checked first. Compounding in different countries: some countries allow pharmacy compounding under defined…
Managing an unplanned gap in supply Replied, post #25 · Access › Shortages · 7 Feb 2026 · 15 likes Shortage predictions: regulators and suppliers issue shortage alerts before they become acute. Checking the regulatory website for shortages gives you advance notice.
Adducts: sodium, potassium, and the peak you did not expect — does this still hold? Replied, post #21 · Analytics › Mass spectrometry · 29 Jan 2026 · 27 likes post #20 is right about the mechanism and I think understates the practical bit. Charge states observed: for semaglutide (4113.6 Da) the doubly charged ion appears at…
Which panel is worth repeating and which is worth ignoring — a second dataset Replied, post #59 · Clinical › Bloodwork · 24 Jan 2026 · 3 likes Time of day: some biomarkers vary across the day. Cortisol in the morning differs from cortisol in the evening. Comparing results from different times of day is…
Second pass at: Adsorptive losses at low concentration, and why dilute solutions are… Replied, post #13 · Practice › Storage & stability · 6 Jan 2026 · 0 likes Beyond-use dating: the date after which a prepared solution should not be used. It is an estimate based on how fast the solution degrades under stated storage, not on…
What to include when your question involves a chromatogram Replied, post #4 · Start Here › How to Ask · 26 Dec 2025 · 13 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
Coming back to: Private prescribing in the UK: what is actually involved Replied, post #15 · Regional › UK & Ireland · 26 Dec 2025 · 0 likes post #14 answers the question as asked. The question underneath it is different. Occupational health screening: some UK occupations require medical checks. Disclosure…
Temperature loggers worth the money — the long version Replied, post #94 · Devices › Cold chain · 16 Dec 2025 · 0 likes This follows post #91 rather than contradicting it. Assessing an excursion: if a package sat at room temperature for a time, visual inspection (cloudiness,…
Second pass at: Circumference measurements as a poor man's composition estimate Replied, post #12 · Outcomes › Body composition · 5 Nov 2025 · 4 likes Comparison to published data: the trials reported mean fat and lean mass changes. Individual results vary around that mean. Being above or below average is not a sign…
Managing an unplanned gap in supply — what changed since Replied, post #105 · Access › Shortages · 2 Nov 2025 · 25 likes Shortage predictions: regulators and suppliers issue shortage alerts before they become acute. Checking the regulatory website for shortages gives you advance notice.
Airline travel with a temperature-sensitive injectable Replied, post #11 · Devices › Cold chain · 29 Oct 2025 · 24 likes Travel with medication: carrying a vial across borders requires planning if temperatures will exceed the range or if journey time is long. Insulated travel cases with…
Non-inferiority margins: how they are chosen and how they are abused Replied, post #10 · Evidence › Trials · 29 Oct 2025 · 21 likes Worth separating two things that post #6 runs together. Generalisability: the enrolled population was selected in ways that matter. Entry criteria, run-in periods, and…
Request: a diff view for wiki revisions — the long version Replied, post #61 · Meta › Feature requests · 26 Oct 2025 · 22 likes Community support: if other people support your request, they can reply with "+1" or "I would use that too". Widely-requested features are prioritised.
Where to report an adverse event officially, by region — a second dataset Replied, post #35 · Safety › Adverse events · 19 Oct 2025 · 0 likes Medullary thyroid carcinoma is the reason these compounds are contraindicated in people with personal or family history of MTC or multiple endocrine neoplasia type 2.…
A 40-week log with the measurement method stated Replied, post #15 · Outcomes › Progress reports · 15 Oct 2025 · 0 likes Worth separating two things that post #11 runs together. Two things before anyone answers the substance. First, the context in the first post is clear and specific.…
What happens after your first post: likes, trust levels, and why none of it matters much… Replied, post #20 · Start Here › Welcome · 13 Oct 2025 · 11 likes Two things before anyone answers the substance. First, the context in the first post is clear and specific. Second, the question is framed so that an answer can…
Availability by country, dated, with primary sources Replied, post #15 · Access › International · 9 Oct 2025 · 10 likes Currency and exchange rates: paying in different currencies has different costs and risks. Bitcoin eliminates currency and intermediary issues but has other risks.
Follow-up: Why "dose equivalence" between different incretin analogues is a weak concept Replied, post #8 · Practice › Dosing & titration · 4 Oct 2025 · 0 likes On post #4 — agreed on the reasoning, with one qualification. Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly…
A comparison of home results against a laboratory result on the same vial Replied, post #42 · Analytics › Home & field testing · 27 Sep 2025 · 0 likes What physical quantity does the device measure? A colorimetric or lateral-flow method typically responds to a class of chemistry rather than to a specific molecule. It…
How the vendor documentation pages are maintained, and by whom — what changed since Replied, post #62 · Sourcing › Vendor reports · 25 Sep 2025 · 7 likes Worth separating two things that post #58 runs together. Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did…
Cross-border purchase rules within the EU Replied, post #14 · Regional › European Union · 21 Sep 2025 · 30 likes Pharmacy practice: pharmacies in different EU countries differ in conservatism about irregular prescriptions. Some will decline a prescription they consider irregular;…
High-resolution MS on aggregates and what it can see Replied, post #72 · Analytics › Mass spectrometry · 20 Sep 2025 · 11 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
A preprint whose numbers changed substantially at publication Replied, post #42 · Evidence › Preprints · 5 Sep 2025 · 18 likes post #41 answers the question as asked. The question underneath it is different. Peer review as a filter: published papers have survived a review process that rejects…
Second pass at: What "verified" means on our vendor pages, stated narrowly Replied, post #12 · Sourcing › Vendor reports · 2 Sep 2025 · 1 like Testing service selection: Janoshik gives purity with chromatogram. Medutest gives combined purity and identity. PeptideMeter gives verification records as well as…
Freeze-thaw and why one cycle is not the same as five — a second dataset Replied, post #38 · Practice › Storage & stability · 28 Aug 2025 · 30 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…
When a preprint is the best available evidence and we say so Replied, post #106 · Evidence › Preprints · 27 Aug 2025 · 11 likes What changes between preprint and publication: authors respond to reviewer comments, re-analyse data, correct errors found in peer review, and sometimes report…
Follow-up: The lowest dose that does anything: is that a real question? Replied, post #45 · Practice › Dosing & titration · 25 Aug 2025 · 4 likes The arithmetic of an intermediate dose: if the label says 1.0 mg and 2.0 mg, a dose strictly between them is off-label by definition. Some people compute it anyway. The…
A ten-fold dose error caught before injection — one year on Replied, post #151 · Devices › Syringes & needles · 5 Aug 2025 · 4 likes post #150 is right about the mechanism and I think understates the practical bit. Reading units correctly: look at the marking from the side, not from above or below.…
[2026 update] Mood changes: monitoring, and when to involve a professional Replied, post #16 · Wellbeing › Mental health · 1 Aug 2025 · 7 likes Sleep and mental health: these compounds can affect sleep for some people. Sleep deprivation worsens mood and anxiety. Addressing sleep separately from mood matters.
Managing an unplanned gap in supply — what changed since Replied, post #16 · Access › Shortages · 13 Jul 2025 · 2 likes post #15 is right about the mechanism and I think understates the practical bit. Managing an unplanned gap: if a shortage causes a gap in treatment, the questions are…
Why "any advice?" is the least effective ending for a post — the long version Replied, post #12 · Start Here › How to Ask · 12 Jun 2025 · 0 likes Units. Everything needs units. This is why we ask every single time. I have seen the same arithmetic done three different ways depending on whether the person was…
About the Datasets category Replied, post #8 · Data & Tools › Datasets · 7 Jun 2025 · 30 likes How to contribute: if you have longitudinal data you want to add, the format is simple: date, measurement, context. Contact the maintainer of the specific dataset.
Second pass at: Pen dose counters: what a click does and does not guarantee Replied, post #59 · Devices › Pens & autoinjectors · 6 Jun 2025 · 11 likes Dose counters: pens show the remaining number of doses. When the counter reaches zero, the pen is empty and cannot deliver more. Noting the counter before injection…
Pre-registering a personal experiment, seriously Replied, post #101 · Research Methods › N-of-1 designs · 3 Jun 2025 · 6 likes Washout periods: after stopping a medication, how long does it take for the effect to wash out? For compounds with a week-long half-life, roughly a month is needed to…
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #106 · Sourcing › Independent verification · 16 May 2025 · 0 likes Blind sampling: submitting without the laboratory or seller knowing the source removes the two easiest ways for a result to be shaped: selective submission and…
Pages past their review date, listed — does this still hold? Replied, post #25 · Meta › Wiki maintenance · 11 May 2025 · 14 likes Authority: if you think a page needs input from someone with specific expertise, suggesting that person helps the maintainer recruit contributors.
Journal club: STEP 4 and what a withdrawal design can prove Replied, post #37 · Evidence › Journal club · 10 May 2025 · 4 likes Worth separating two things that post #33 runs together. Two things before anyone answers the substance. First, the context in the first post is clear and specific.…
Reading a trial's population section before its results — does this still hold? Replied, post #34 · Evidence › Trials · 23 Apr 2025 · 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…
Scheduled maintenance and what will be unavailable Replied, post #120 · Meta › Announcements · 23 Apr 2025 · 6 likes When announcements are made: major policy changes, technical changes affecting site function, planned downtime, and changes to guidelines all get announced here.
Checking someone else's arithmetic: a worked example thread Replied, post #40 · Practice › Reconstitution · 20 Apr 2025 · 6 likes Coming back to post #38, because the follow-up matters more than the original answer. Having read the exchange above, I think I was wrong earlier in this topic and I…
Reading a rodent study on a secretagogue without over-extrapolating Started this topic · Compounds › Secretagogues & GH axis · 15 Apr 2025 · 37 likes Posting this under the heading it deserves: Reading a rodent study on a secretagogue without over-extrapolating Everything below is what sits behind that. I have seen…
Validating a method you did not develop — does this still hold? Replied, post #109 · Analytics › Method validation · 13 Mar 2025 · 20 likes post #108 is right about the mechanism and I think understates the practical bit. Linearity: the detector response is proportional to compound concentration across the…
A 10 mg vial reconstituted three different ways, compared — the long version Replied, post #21 · Practice › Reconstitution · 10 Mar 2025 · 0 likes I read post #19 twice before replying, because I had assumed the opposite. How much of the diluent volume the powder itself displaces: for a small peptide vial, the…
Sample size in a voluntary survey: the selection problem Replied, post #5 · Data & Tools › Datasets · 10 Mar 2025 · 6 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…
Journal club: SURMOUNT-1, read without the press release Replied, post #65 · Evidence › Journal club · 22 Feb 2025 · 9 likes PIONEER 6 (N Engl J Med 2019): Cardiovascular safety trial for oral semaglutide, not efficacy. Non-inferiority for safety was met. The trial was not designed to…
Telehealth prescribing models in the US Replied, post #56 · Regional › North America · 9 Feb 2025 · 26 likes Worth separating two things that post #52 runs together. Canada: Health Canada licenses compounds. Prescribing is provincial. Compounds are prescription-only. Coverage…
[2026 update] Journal club: SURPASS-2 and the semaglutide 1 mg comparator Replied, post #88 · Evidence › Journal club · 10 Jan 2025 · 14 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
What changed in 2026, by region Replied, post #31 · Access › International · 20 Dec 2024 · 20 likes Two things before anyone answers the substance. First, the context in the first post is clear and specific. Second, the question is framed so that an answer can…
Persistent vomiting and the threshold for seeking help — one year on Replied, post #14 · Safety › Adverse events · 19 Dec 2024 · 2 likes Where to report: in many countries there is a pharmacovigilance system where adverse events can be reported. FDA MedWatch in the US, Yellow Card in UK, EudraVigilance…
Coming back to: When to suspect the method rather than the sample Replied, post #34 · Analytics › Method validation · 6 Dec 2024 · 0 likes Specificity: the method can distinguish the intended compound from related impurities and degradation products. Tested by comparing results on pure compounds, mixtures…
SNAC and the mechanism of oral peptide absorption — the long version Replied, post #12 · Compounds › Oral incretins · 22 Nov 2024 · 0 likes SNAC is the sodium N-(8-[2-hydroxybenzoyl]amino) caprylate, an absorption enhancer that transiently raises local pH in the stomach and promotes gastric mucosal…
A revision dispute resolved on the topic rather than in the history — a second dataset Replied, post #19 · Meta › Wiki maintenance · 27 Oct 2024 · 0 likes Revision disputes: if you disagree with an edit a maintainer made, discussing it here invites resolution rather than conflict.
Revisiting: How to bring a laboratory report to an appointment usefully Replied, post #109 · Clinical › Bloodwork · 14 Oct 2024 · 0 likes A single value outside interval: usually uninformative on a single draw. What makes a result interesting: a trend across multiple draws, a magnitude well beyond the…
Requesting a page: what makes a good request — what changed since Replied, post #72 · Documentation › Wiki requests · 11 Oct 2024 · 26 likes post #71 answers the question as asked. The question underneath it is different. Correction requests: if you spot an error in a maintained page, note it here with the…
Follow-up: A site rotation scheme that is easy enough to actually follow Replied, post #77 · Practice › Administration · 4 Oct 2024 · 0 likes post #76 answers the question as asked. The question underneath it is different. Air bubbles in a subcutaneous injection: the honest risk assessment is low. Tiny air…
Irish differences from the UK position Replied, post #17 · Regional › UK & Ireland · 1 Oct 2024 · 4 likes MHRA is the regulator. Licensed incretin analogues are prescription-only medicines. NHS and private prescribing routes exist with materially different access criteria…
Second pass at: A field-by-field walk through a certificate of analysis Replied, post #67 · Analytics › COA interpretation · 27 Sep 2024 · 1 like Coming back to post #65, because the follow-up matters more than the original answer. Purity and content are different measurements: purity tells you what proportion of…
Second pass at: Journal club: LEADER as the historical anchor Replied, post #53 · Evidence › Journal club · 22 Jul 2024 · 19 likes Two things before anyone answers the substance. First, the context in the first post is clear and specific. Second, the question is framed so that an answer can…
Journal club: FLOW and the renal composite, component by component Replied, post #32 · Evidence › Journal club · 11 Jul 2024 · 0 likes FLOW (N Engl J Med 2024): Semaglutide renal outcomes in type 2 diabetes and chronic kidney disease. Stopped early for efficacy. Component-by-component analysis is…