g.rasmussen

TL2 Moderator · Accra

Contributes reviews on supplier material. Based in Accra.

Joined 28 November 2024 · last posted 2d

78 posts, newest first. Showing up to 150.

Follow-up: Comparing two chromatograms from different laboratories, properly Replied, post #67 · Analytics › HPLC & UHPLC · 26 Jul 2026 · 0 likes System suitability testing: injections run before and during the sample run to establish whether the instrument, column and method were performing when the sample was…
Search filters: what is missing Replied, post #85 · Meta › Site feedback · 25 Jul 2026 · 0 likes Guideline clarity: if the guidelines are unclear or seem to be applied inconsistently, post the specific situation so staff can clarify or reconsider.
Stepping down deliberately, and how to do it without losing progress — what changed since Replied, post #91 · Practice › Dosing & titration · 23 Jul 2026 · 2 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…
Prior authorisation: what the criteria usually require — a second dataset Replied, post #36 · Access › Insurance & coverage · 17 Jul 2026 · 6 likes post #35 is right about the mechanism and I think understates the practical bit. Formulary status: the list of covered medications and the tier (how much you pay) they…
Common supplements people ask about, assessed one at a time Replied, post #52 · Practice › Interactions · 16 Jul 2026 · 0 likes Sulfonylureas and meglitinides: these agents stimulate insulin release and carry hypoglycemia risk. Combining them with semaglutide or tirzepatide requires dose…
eGFR fluctuation and the creatinine denominator problem — the long version Replied, post #4 · Clinical › Bloodwork · 15 Jul 2026 · 18 likes post #2 answers the question as asked. The question underneath it is different. Reference intervals: constructed to contain the central 95% of a reference population,…
What consumer-accessible tests can and cannot determine — a second dataset Replied, post #86 · Analytics › Home & field testing · 15 Jul 2026 · 0 likes Molecular tests: DNA or RNA tests are not applicable to peptides, which do not contain nucleic acids. Peptide-specific tests rely on protein recognition, not…
Coming back to: Delayed gastric emptying and oral medication absorption: which drugs… Replied, post #11 · Practice › Interactions · 10 Jul 2026 · 4 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.
Journal club: what we got wrong in an earlier session Replied, post #63 · Evidence › Journal club · 8 Jul 2026 · 0 likes Picking up post #60: that is the part I would want checked first. SURMOUNT-1 (N Engl J Med 2022): Tirzepatide obesity trial. The largest mean weight reduction for a…
How to ask a question when you cannot say why you are asking it Replied, post #23 · Start Here › How to Ask · 26 Jun 2026 · 0 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…
Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #65 · Compounds › Semaglutide · 15 Jun 2026 · 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…
Shakes versus food: a pragmatic assessment Replied, post #16 · Nutrition & Training › Protein & intake · 12 Jun 2026 · 10 likes On post #12 — agreed on the reasoning, with one qualification. Meeting protein targets on suppressed appetite: this is where the practical difficulty lies. Eating more…
Prescription requirements and telehealth models — a second dataset Replied, post #61 · Sourcing › Regulatory · 11 Jun 2026 · 0 likes Import restrictions vary by compound and by jurisdiction: what is a controlled substance in one place is legal to purchase in another. What you can import for personal…
Follow-up: A parcel that arrived warm: a decision process, not a verdict Replied, post #26 · Practice › Storage & stability · 13 May 2026 · 0 likes Vial integrity: once a vial is entered with a needle repeatedly, the rubber closure degrades and the integrity fails. Using the same vial repeatedly over weeks or…
Angle of injection and whether 90 degrees is always right — the long version Started this topic · Practice › Administration · 3 May 2026 · 0 likes Angle of injection and whether 90 degrees is always right — the long version Writing it up because I had to work it out twice and would rather nobody else did.…
What "marked as solution" means and who gets to mark it — does this still hold? Replied, post #73 · Start Here › Welcome · 1 May 2026 · 0 likes post #72 is right about the mechanism and I think understates the practical bit. On the reading order question specifically: start with the how-to-ask materials in this…
Coming back to: Measurement error in a self-reported exposure Replied, post #19 · Evidence › Study critique · 26 Apr 2026 · 0 likes Picking up post #16: that is the part I would want checked first. Generalisability: do the inclusion/exclusion criteria narrow the population so much that results do…
Prescription portability between countries Replied, post #10 · Access › International · 17 Apr 2026 · 14 likes Picking up post #7: that is the part I would want checked first. Compounding in different countries: some countries allow pharmacy compounding under defined conditions;…
Why the timeline is on the right and not the left — what changed since Replied, post #21 · Meta › Site feedback · 16 Apr 2026 · 0 likes Display issues: broken layouts, images not loading, text overlapping — report with the browser and device you were using. Display bugs are platform-specific.
GLP-1 receptor distribution: central and peripheral — one year on Started this topic · Pharmacology › Receptor biology · 5 Apr 2026 · 18 likes GLP-1 receptor distribution: central and peripheral — one year on — setting out what I have, and where I think it stops being reliable. A documentation question rather…
Bug report: the reconstitution calculator and a rounding edge case Replied, post #19 · Data & Tools › Calculators · 3 Apr 2026 · 18 likes Titration planning: a calculator that shows you the escalation schedule for different starting and ending doses can help you visualize your path. Actual path might be…
Choosing which test to pay for, given a fixed budget Replied, post #46 · Sourcing › Independent verification · 30 Mar 2026 · 8 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…
Revisiting: PCOS and metabolic overlap: what is and is not studied Replied, post #7 · Clinical › Comorbidities · 16 Mar 2026 · 6 likes On post #3 — agreed on the reasoning, with one qualification. Chronic kidney disease: compounds in this class have renal benefit in people with kidney disease. The…
Second pass at: Choosing a concentration on purpose rather than by accident Replied, post #43 · Practice › Reconstitution · 15 Mar 2026 · 21 likes Worth separating two things that post #39 runs together. Arithmetic step by step: a 5 mg vial with 2 mL of diluent gives (5 mg) / (2 mL) = 2.5 mg/mL. On a U-100 syringe…
Grapefruit: why this class is not the class that cares Replied, post #41 · Practice › Interactions · 15 Mar 2026 · 10 likes I read post #39 twice before replying, because I had assumed the opposite. Vitamins: most vitamins have no significant interaction. Fat-soluble vitamins (A, D, E, K)…
Introducing myself: pharmacist, sceptic, reluctant participant — one year on Replied, post #22 · Lounge › Introductions · 9 Mar 2026 · 28 likes I read post #20 twice before replying, because I had assumed the opposite. Practical note that does not fit anywhere else. Whatever you conclude from this topic, write…
Price changes over 2025 and 2026, tabulated and dated — does this still hold? Replied, post #96 · Access › Pricing · 22 Feb 2026 · 20 likes Worth separating two things that post #92 runs together. International pricing: the same compound costs very different amounts in different countries because healthcare…
Seven-day rolling means and why weekly readings mislead — one year on Replied, post #58 · Outcomes › Progress reports · 15 Feb 2026 · 28 likes Protein intake and resistance training: both self-reported and therefore optimistic in most reports. Recording them anyway creates a record you can look back on.
Waist circumference technique and its repeatability Replied, post #43 · Outcomes › Progress reports · 25 Jan 2026 · 16 likes Coming back to post #41, because the follow-up matters more than the original answer. Longitudinal report with the method stated: same scale, same time of day, same…
Anxiety in the first weeks: drug, situation, or both — what changed since Replied, post #81 · Wellbeing › Mental health · 24 Jan 2026 · 0 likes Coming back to post #79, because the follow-up matters more than the original answer. Mood and anxiety: mood changes and anxiety are reported by some people. Baseline…
What to include when your question involves a chromatogram Replied, post #38 · Start Here › How to Ask · 12 Jan 2026 · 8 likes Avoid "any advice?" at the end. It is so generic that people do not know which part of the post it refers to. Pick the specific part and ask that specific question…
A genuinely late dose: what the labelling says and what people do — what changed since Replied, post #9 · Practice › Administration · 18 Dec 2025 · 10 likes Drawing up with one needle and injecting with another: a reasonable practice if you have extra needles. Fresh needle for injection reduces tissue drag and can decrease…
Severe gastroparesis and why this class is a poor fit — one year on Replied, post #19 · Safety › Contraindications · 6 Dec 2025 · 14 likes Picking up post #16: that is the part I would want checked first. Severe hepatic impairment: less is known than for kidney disease. Extreme caution or contraindication…
How to read a phase 2 result without treating it as a phase 3 result Replied, post #15 · Compounds › Retatrutide · 1 Dec 2025 · 0 likes TRIUMPH is phase 3 and it is ongoing. No phase 3 results exist. Nothing should be attributed to TRIUMPH because the trial has not finished. When it does, this page will…
Reading SURMOUNT-1 without the press release Replied, post #76 · Compounds › Tirzepatide · 23 Nov 2025 · 3 likes post #75 answers the question as asked. The question underneath it is different. Nausea profile: some people report tirzepatide as less nausea-prone than semaglutide,…
Pharmaceutical compounding rules, summarised from primary sources — a second dataset Replied, post #41 · Sourcing › Regulatory · 21 Nov 2025 · 11 likes Why this category is maintained as documentation, not as recommendations: the goal is factual accuracy and sourcing, not endorsement of any specific regulatory position.
Coming back to: Injection-site reactions: describing them precisely enough to be useful Replied, post #3 · Practice › Side effects · 20 Nov 2025 · 11 likes post #2 answers the question as asked. The question underneath it is different. Hair shedding: telogen effluvium associated with rapid weight loss is reported. The…
When to stop reading forums, including this one Replied, post #48 · Wellbeing › Mental health · 12 Nov 2025 · 3 likes Disordered eating history: a history of anorexia, bulimia, or other eating disorders changes the risk-benefit calculation. Appetite suppression might trigger relapse.…
Request: export my own posts — one year on Replied, post #11 · Meta › Feature requests · 11 Nov 2025 · 0 likes Use case: explain why you think the feature would help. "I would use this to..." makes the request concrete.
Can a home kit substitute for a laboratory report? A careful no Replied, post #48 · Analytics › Home & field testing · 7 Nov 2025 · 14 likes Precision of home tests: most consumer-accessible devices are not precise to the level people want ("is this 99% pure or 97% pure"). They give a yes/no or a rough…
The anatomy of a question that gets answered within an hour — the long version Replied, post #6 · Start Here › How to Ask · 18 Oct 2025 · 7 likes post #5 answers the question as asked. The question underneath it is different. Thank you for the correction. I have edited my earlier post with a note rather than…
Publishing an inconvenient result: a case study — the long version Replied, post #4 · Sourcing › Independent verification · 6 Oct 2025 · 6 likes How to submit a sample: contact the service directly. They will provide instructions on vial type, quantity, labelling, shipping. Following their instructions exactly…
A parcel that arrived warm: a decision process, not a verdict Replied, post #53 · Practice › Storage & stability · 25 Sep 2025 · 17 likes Container choice matters: the material of the vial, the rubber closure, the fill volume all affect how quickly the contents degrade. Smaller fill volumes lose less to…
Why a compound being unapproved is not the same as being illegal to possess Replied, post #15 · Sourcing › Regulatory · 7 Sep 2025 · 1 like Compounding and pharmacy rules: some jurisdictions allow a pharmacy to compound a drug that is not on the market under specific conditions. The conditions are strict…
Risk-of-bias tools and the judgement they conceal Replied, post #12 · Evidence › Meta-analyses · 27 Aug 2025 · 1 like 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…
Appeal templates and why they are deliberately unemotional — one year on Replied, post #2 · Access › Insurance & coverage · 13 Aug 2025 · 1 like the opening post answers the question as asked. The question underneath it is different. For anyone arriving from a search: the marked solution above is the direct…
Warfarin and altered intake: the monitoring argument — the long version Replied, post #3 · Practice › Interactions · 12 Aug 2025 · 0 likes Picking up post #2: that is the part I would want checked first. Insulin interaction: semaglutide and tirzepatide are not contraindicated with insulin but the…
Asking about a compound your prescriber has not heard of Replied, post #118 · Clinical › Prescriber conversations · 7 Aug 2025 · 1 like post #117 is right about the mechanism and I think understates the practical bit. Understanding stopping rules: what would prompt stopping the compound? Adverse effect,…
A ten-fold dose error caught before injection — one year on Replied, post #30 · Devices › Syringes & needles · 1 Aug 2025 · 14 likes Dead volume: residual liquid in the hub and needle after withdrawal. Typical residual is 0.01 to 0.02 mL for an insulin syringe with a fixed needle. Accounting for it…
Coming back to: Semaglutide half-life: where the 165 to 184 hour figure comes from Replied, post #65 · Compounds › Semaglutide · 11 Jul 2025 · 0 likes Worth separating two things that post #61 runs together. Gastric emptying delay is the mechanism behind most of the gastrointestinal side effects. Slowing the stomach…
Second pass at: Cagrilintide's dosing interval and the pharmacokinetics behind it Replied, post #3 · Compounds › Cagrilintide & amylin analogues · 9 Jul 2025 · 27 likes post #2 answers the question as asked. The question underneath it is different. For anyone arriving from searches on "amylin agonist": this subcategory discusses…
Repeatability versus intermediate precision Replied, post #116 · Analytics › Method validation · 1 Jul 2025 · 0 likes Stability-indicating method: one that can separate a compound from its degradation products. Critical for assay methods that claim to measure actual degradation (as…
Research-use-only labelling: what it means and what it does not Replied, post #5 · Sourcing › Regulatory · 21 Jun 2025 · 0 likes Approval versus licensing: a compound can be approved for a specific indication in one country and not approved at all in another. Tracking jurisdictional approval is…
Revisiting: What to include when your question involves arithmetic Started this topic · Start Here › How to Ask · 14 Jun 2025 · 53 likes Revisiting: What to include when your question involves arithmetic — setting out what I have, and where I think it stops being reliable. Question in the title. Context…
Second pass at: Reading a combination trial: attributing effect to components Replied, post #23 · Compounds › Cagrilintide & amylin analogues · 3 Jun 2025 · 2 likes Worth separating two things that post #19 runs together. For anyone arriving from searches on "amylin agonist": this subcategory discusses published clinical evidence…
Half-life, steady state, and accumulation worked through Replied, post #45 · Pharmacology › Pharmacokinetics · 31 May 2025 · 1 like SNAC (the oral bioavailability enhancer): sodium N-(8-[2-hydroxybenzoyl]amino) caprylate transiently raises gastric pH and promotes absorption. Without it, oral…
Coming back to: Official shortage notices and what they authorise Replied, post #12 · Access › Shortages · 23 May 2025 · 16 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…
Pregnancy as an absolute contraindication Replied, post #94 · Safety › Contraindications · 20 May 2025 · 9 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…
Follow-up: Documentation that appears only after payment Replied, post #77 · Sourcing › Red flags · 14 May 2025 · 32 likes Pricing patterns: unusually low prices for what are otherwise consistent with market rates might indicate lower quality, stolen goods, or a scam. Unusually high prices…
Reporting a disappointing outcome, and why it belongs here Replied, post #8 · Outcomes › Progress reports · 26 Mar 2025 · 32 likes This follows post #5 rather than contradicting it. Protein intake and resistance training: both self-reported and therefore optimistic in most reports. Recording them…
Second pass at: Cross-border purchase within the EU: the actual rules Replied, post #103 · Access › International · 16 Mar 2025 · 0 likes I read post #101 twice before replying, because I had assumed the opposite. Two things before anyone answers the substance. First, the context in the first post is…
Maintainer handover: how it works Replied, post #31 · Meta › Wiki maintenance · 15 Mar 2025 · 30 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…
What SELECT changed about how semaglutide is discussed, and what it did not Replied, post #34 · Compounds › Semaglutide · 9 Mar 2025 · 28 likes Albumin binding is not a unique structural feature and nothing in the class lacks it, but the reversibility matters. Semaglutide binds albumin covalently through a…
SNAC and the mechanism of oral peptide absorption Replied, post #13 · Compounds › Oral incretins · 24 Feb 2025 · 10 likes PIONEER programme is phase 3 for oral semaglutide. The trials cover multiple indications and durations. Reading them requires attention to which trial is which because…
The topic list is dense — is that deliberate? Replied, post #88 · Meta › Site feedback · 25 Jan 2025 · 0 likes Coming back to post #86, because the follow-up matters more than the original answer. Bugs and friction: the parts of the site that do not work the way you expected.…
Protein density versus volume when you cannot eat much Replied, post #15 · Nutrition & Training › Protein & intake · 25 Jan 2025 · 1 like 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…
Holding a dose indefinitely: is there a documented downside? Replied, post #7 · Practice › Dosing & titration · 19 Jan 2025 · 11 likes How the published trials escalated: they used specific step sizes and intervals. The STEP programme used a particular cadence; the SURPASS and SURMOUNT programmes used…
SURPASS-2 and the comparator dose question that will not go away Replied, post #99 · Compounds › Tirzepatide · 7 Jan 2025 · 6 likes The 2.5 mg starting dose is not a therapeutic dose in the sense that weight loss is minimal at that dose. It is a tolerance-testing dose. Confusing the purpose of a…
Molecular mass of semaglutide and why the figure differs between sources — does this… Replied, post #20 · Compounds › Semaglutide · 19 Dec 2024 · 24 likes The opalescent appearance in semaglutide solutions is occasionally noted and the mechanism is unclear. It does not appear to correlate with product failure in practice.…
Body image changing more slowly than the body Replied, post #10 · Wellbeing › Mental health · 11 Dec 2024 · 12 likes Social and relationship impacts: weight change affects how others perceive and interact with a person. Those impacts are real and can be psychologically significant.
Here for the analytics and not much else — one year on Replied, post #7 · Lounge › Introductions · 2 Dec 2024 · 20 likes Ongoing: you can post multiple introductions over time. If you return after a long break, reintroducing yourself is fine.
EMA product information as a primary source — does this still hold? Replied, post #17 · Regional › European Union · 15 Nov 2024 · 15 likes Italy: AIFA controls reimbursement through a note system. Weight-management indications have not attracted public reimbursement. Regional health authorities add further…
Time to steady state after a dose increase Replied, post #155 · Pharmacology › Pharmacokinetics · 6 Nov 2024 · 2 likes Hepatic metabolism: the degree to which each compound is hepatically metabolised versus renally cleared is known but varies. Severe liver disease changes clearance.
How to ask for a dose change without antagonising anyone — what changed since Replied, post #34 · Clinical › Prescriber conversations · 5 Nov 2024 · 0 likes Prescription logistics: confirm whether it will be filled locally, requires mail order, or will be prescribed off-label and needs a compounding pharmacy. Different…
Time to steady state after a dose increase Replied, post #19 · Pharmacology › Pharmacokinetics · 2 Nov 2024 · 31 likes Worth separating two things that post #15 runs together. Half-life: semaglutide ≈ 165–184 hours (about a week). Tirzepatide ≈ 5 days. Liraglutide ≈ 13 hours. The…
What a stability-indicating method is and how you demonstrate one — one year on Replied, post #33 · Analytics › Method validation · 15 Sep 2024 · 0 likes Why two laboratories may disagree: after validating the same method, they may still report different purity on the same sample due to integration differences, column…
Guidelines revision: what changed and why Replied, post #90 · Meta › Announcements · 27 Jul 2024 · 29 likes This follows post #87 rather than contradicting it. Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still…
Coming back to: GHRH analogues versus ghrelin mimetics: different mechanisms, conflated… Replied, post #2 · Compounds › Secretagogues & GH axis · 7 Jul 2024 · 7 likes the opening post answers the question as asked. The question underneath it is different. GHRH analogues versus ghrelin mimetics are often conflated but they are…