j.solberg

TL2 Moderator · Trondheim

Contributes reviews on supplier material. Based in Trondheim.

Joined 22 June 2025 · last posted 2d

83 posts, newest first. Showing up to 150.

Seven-day rolling means and why weekly readings mislead Replied, post #116 · Outcomes › Progress reports · 26 Jul 2026 · 28 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.
Athletes in weight-category sports: a different risk calculus Replied, post #30 · Clinical › Special populations · 18 Jul 2026 · 23 likes This follows post #27 rather than contradicting it. For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add…
Revisiting: Protein density versus volume when you cannot eat much Replied, post #74 · Nutrition & Training › Protein & intake · 17 Jul 2026 · 15 likes On post #70 — agreed on the reasoning, with one qualification. Micronutrition alongside protein: eating protein foods that are also good sources of micronutrients…
[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #70 · Sourcing › Independent verification · 7 Jul 2026 · 29 likes On post #66 — agreed on the reasoning, with one qualification. Medutest: combined purity and identity reporting. Appears throughout vendor documentation. Where a…
Sleep apnoea improving and the equipment implications Replied, post #12 · Wellbeing › Sleep · 6 Jul 2026 · 0 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: Prior authorisation: what the criteria usually require Replied, post #54 · Access › Insurance & coverage · 4 Jul 2026 · 0 likes Worth separating two things that post #50 runs together. Prior authorisation: pre-approval requirements and how to satisfy them. Most denials cite specific criteria.…
[2026 update] Regional warehouse stock versus direct despatch Replied, post #116 · Sourcing › Logistics · 28 Jun 2026 · 0 likes Picking up post #113: that is the part I would want checked first. Reshipment after seizure: if a parcel is seized, some suppliers will reship; others will not. That is…
Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Replied, post #52 · Evidence › Journal club · 22 Jun 2026 · 15 likes I read post #50 twice before replying, because I had assumed the opposite. TRIUMPH (ongoing): Retatrutide phase 3. No results yet. Nothing should be attributed to it…
Second pass at: Programming during a large energy deficit Replied, post #21 · Nutrition & Training › Resistance training · 10 Jun 2026 · 25 likes Recovery: heavier training on a energy deficit and on a compound that slows gastric emptying requires attention to recovery (sleep, nutrition, stress). Recovery…
Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #43 · Analytics › Home & field testing · 9 Jun 2026 · 0 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…
Reading a home test result without over-claiming Replied, post #32 · Analytics › Home & field testing · 5 May 2026 · 23 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…
Type 2 diabetes and the largest part of the evidence base Replied, post #69 · Clinical › Comorbidities · 15 Apr 2026 · 0 likes This follows post #66 rather than contradicting it. Hepatic steatosis and MASH: a phase 2 trial in semaglutide for steatohepatitis showed resolution was more frequent…
Spike-and-recover accuracy for a peptide assay Replied, post #119 · Analytics › Method validation · 11 Apr 2026 · 6 likes Picking up post #116: that is the part I would want checked first. Stability-indicating method: one that can separate a compound from its degradation products. Critical…
Gastro-oesophageal reflux: improving or worsening? Replied, post #34 · Clinical › Comorbidities · 9 Apr 2026 · 1 like Multiple comorbidities: a person with diabetes, kidney disease, and cardiovascular disease is outside the studied populations in most trials. Extrapolating to that…
Journal club: is percentage weight change the right endpoint? Replied, post #48 · Evidence › Journal club · 8 Apr 2026 · 18 likes post #47 answers the question as asked. The question underneath it is different. FLOW (N Engl J Med 2024): Semaglutide renal outcomes in type 2 diabetes and chronic…
Spreadsheets: an appreciation — what changed since Replied, post #11 · Lounge › Off topic · 3 Apr 2026 · 27 likes Not a rules-free zone: the guidelines still apply. No phones, no Telegram, no endorsements of other communities. Just a relaxed bar for how directly the topic needs to…
When a dose reduction is the correct response to a side effect Replied, post #4 · Practice › Dosing & titration · 7 Mar 2026 · 27 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…
Measurement error in a self-reported exposure Replied, post #94 · Evidence › Study critique · 26 Feb 2026 · 17 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…
Mass error in ppm: the arithmetic and the caveat Replied, post #97 · Analytics › Mass spectrometry · 15 Feb 2026 · 23 likes This follows post #94 rather than contradicting it. Mass accuracy is expressed in parts per million. It is the difference between observed and theoretical mass divided…
Absence of evidence and evidence of absence Replied, post #17 · Research Methods › Statistics · 12 Feb 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…
Follow-up: Search filters: what is missing Replied, post #31 · Meta › Site feedback · 11 Feb 2026 · 14 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…
[2026 update] Confounding by indication, explained with a concrete example Replied, post #16 · Evidence › Study critique · 31 Jan 2026 · 12 likes On post #12 — 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…
Coming back to: Semaglutide in people without diabetes: what the evidence base looks like Replied, post #28 · Compounds › Semaglutide · 30 Jan 2026 · 2 likes Coming back to post #26, because the follow-up matters more than the original answer. Semaglutide versus liraglutide in STEP 8: semaglutide produced greater weight…
EU-wide position versus national implementation — what changed since Replied, post #14 · Regional › European Union · 23 Jan 2026 · 0 likes Private prescription with self-payment is legal across the EU and is the common route where public reimbursement is not available.
Coming back to: Payment mechanics and the recovery options that do not exist Replied, post #9 · Sourcing › Payments · 31 Dec 2025 · 17 likes This follows post #6 rather than contradicting it. Escrow services: some third-party services hold payment until the buyer confirms receipt. They add cost but reduce…
Journal club: how we handle discontinuation in obesity trials — what changed since Replied, post #16 · Evidence › Journal club · 16 Nov 2025 · 0 likes Coming back to post #14, because the follow-up matters more than the original answer. TRIUMPH (ongoing): Retatrutide phase 3. No results yet. Nothing should be…
Why an oral GLP-1 agonist is a formulation achievement more than a chemistry one Replied, post #29 · Compounds › Oral incretins · 4 Nov 2025 · 22 likes On post #25 — agreed on the reasoning, with one qualification. Why an oral formulation is a formulation achievement: the molecule is the same but the tablet is novel.…
Where to report an adverse event officially, by region — a second dataset Replied, post #47 · Safety › Adverse events · 23 Oct 2025 · 16 likes post #46 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…
Sleep tracking data and its considerable limitations Replied, post #53 · Wellbeing › Sleep · 22 Oct 2025 · 14 likes post #52 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…
Availability by country, dated, with primary sources Replied, post #23 · Access › International · 16 Oct 2025 · 0 likes Travel with medication: carrying a compound across borders is complicated by legal status. Documenting that it is prescribed and carrying proof reduces (but does not…
Request: a diff view for wiki revisions — the long version Replied, post #49 · Meta › Feature requests · 29 Sep 2025 · 19 likes post #48 answers the question as asked. The question underneath it is different. Deprecation requests: if you think a feature should be removed or changed, that is also…
Airline travel with a temperature-sensitive injectable Replied, post #4 · Devices › Cold chain · 24 Sep 2025 · 0 likes I read post #3 twice before replying, because I had assumed the opposite. Assessing an excursion: if a package sat at room temperature for a time, visual inspection…
Compounds this community declines to help with, and why Replied, post #2 · Compounds › Other compounds · 22 Sep 2025 · 17 likes Picking up the opening post: that is the part I would want checked first. Distinguishing marketed research compounds from true chemical synthesis: some online suppliers…
Regional warehouse stock versus direct despatch Replied, post #13 · Sourcing › Logistics · 15 Sep 2025 · 0 likes Worth separating two things that post #9 runs together. Customs outcomes are not predictable at the level of an individual parcel. What is predictable is that…
Reverse causation in a cohort study of weight and outcome — a second dataset Replied, post #78 · Evidence › Study critique · 15 Sep 2025 · 23 likes Worth separating two things that post #74 runs together. Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather…
Confounding by indication, explained with a concrete example Replied, post #26 · Evidence › Study critique · 3 Sep 2025 · 1 like On post #22 — agreed on the reasoning, with one qualification. Criticise the method, not the author: a paper with a weak design is not a bad paper by someone with bad…
Hepatic impairment and the absence of data Replied, post #24 · Clinical › Special populations · 1 Sep 2025 · 0 likes post #23 answers the question as asked. The question underneath it is different. Medullary thyroid carcinoma history: an absolute contraindication because of the…
The most useful thing you learned here that was not the answer you came for — a second… Replied, post #12 · Lounge › Off topic · 30 Aug 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…
Revisiting: Reading a denial letter as a specification for your appeal Replied, post #97 · Access › Insurance & coverage · 28 Aug 2025 · 0 likes Tier placement and step therapy: some formularies place a medication on a higher tier or require you to fail cheaper alternatives before approving the one you want.…
Angle of injection and whether 90 degrees is always right Replied, post #15 · Practice › Administration · 27 Aug 2025 · 2 likes Worth separating two things that post #11 runs together. Cold solution and stinging: warming the vial in your hands for a minute before injection reduces the stinging…
Are there stupid questions here? A staff answer, at length Replied, post #90 · Start Here › Welcome · 19 Aug 2025 · 25 likes This follows post #87 rather than contradicting it. Off-topic posts that do not belong here belong in the Lounge instead. You are not in trouble if a moderator moves…
Pinch or no pinch, and how needle length changes the answer Replied, post #16 · Practice › Administration · 11 Aug 2025 · 0 likes A genuinely late dose: the labelling generally says that if the next dose is more than a couple of days away, take it as soon as you notice. If the next dose is close,…
A ten-fold dose error caught before injection — one year on Replied, post #103 · Devices › Syringes & needles · 4 Aug 2025 · 18 likes Needle gauge: smaller numbers (30G) are finer and less painful. Larger numbers (25G) are courser. For subcutaneous injection, 27-30G is typical. Finer needles take…
[2026 update] Cardiovascular risk: reading the outcome trials as a set Replied, post #85 · Clinical › Comorbidities · 3 Aug 2025 · 33 likes post #84 answers the question as asked. The question underneath it is different. Obstructive sleep apnoea: SURMOUNT-OSA used an objective endpoint, the apnoea-hypopnoea…
[2026 update] What we do not know about retatrutide, listed explicitly Replied, post #6 · Compounds › Retatrutide · 9 Jul 2025 · 3 likes Glucagon receptor agonism seems paradoxical in a weight-loss compound because glucagon raises blood glucose. The paradox resolves because glucagon agonism also…
A comparison of home results against a laboratory result on the same vial Replied, post #12 · Analytics › Home & field testing · 8 Jul 2025 · 25 likes Picking up post #9: that is the part I would want checked first. False positives and false negatives: no test has 100% sensitivity and 100% specificity. A negative…
About the Administration category Replied, post #3 · Practice › Administration · 7 Jul 2025 · 13 likes As a member rather than staff: the most useful thing I did when I started reading this category was to work through the tag pages rather than the topic list. The topic…
Area percent versus weight percent: the confusion that causes most arguments — what… Replied, post #23 · Analytics › HPLC & UHPLC · 25 Jun 2025 · 0 likes I read post #21 twice before replying, because I had assumed the opposite. Method validation is the demonstration that a method can separate the compound from its…
A checklist for reading a certificate in under two minutes — does this still hold? Replied, post #16 · Analytics › COA interpretation · 24 Jun 2025 · 24 likes Picking up post #13: that is the part I would want checked first. A certificate of analysis is a statement by its issuer that a defined test was performed on a defined…
Coming back to: When "no data" is the complete and final answer Replied, post #20 · Compounds › Other compounds · 21 Jun 2025 · 0 likes Worth separating two things that post #16 runs together. Why catalogue breadth is not evidence of anything: a supplier listing 500 compounds does not make the 450…
Reading a supplier's product description as a marketing document Replied, post #30 · Compounds › Other compounds · 6 Jun 2025 · 27 likes On post #26 — agreed on the reasoning, with one qualification. Research-use-only status is a legal classification, not a safety classification. It means the compound is…
Coming back to: Semaglutide half-life: where the 165 to 184 hour figure comes from Replied, post #17 · Compounds › Semaglutide · 5 Jun 2025 · 3 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…
Journal club: indirect comparison between two programmes, defended and attacked — one… Replied, post #11 · Evidence › Journal club · 31 May 2025 · 10 likes Critical appraisal template: (1) What did the trial set out to estimate? (2) Could the design answer that question? (3) Was the population sufficiently similar to your…
Coming back to: Getting a referral rather than a refusal Replied, post #17 · Clinical › Prescriber conversations · 31 May 2025 · 0 likes Preparing for an appointment: bring recent bloodwork, a list of current medications with doses and timing, and any questions written out. Written questions get better…
Why the timeline is on the right and not the left Replied, post #19 · Meta › Site feedback · 19 May 2025 · 6 likes I read post #17 twice before replying, because I had assumed the opposite. Having read the exchange above, I think I was wrong earlier in this topic and I want to say…
Reading a trial's population section before its results — does this still hold? Replied, post #119 · Evidence › Trials · 19 May 2025 · 0 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…
Residual solvents and scavengers: what is looked for Replied, post #19 · Analytics › Impurities & related substances · 2 May 2025 · 0 likes Worth separating two things that post #15 runs together. Truncation products: fragments from incomplete synthesis or from degradation. They elute quite differently from…
Severe gastroparesis and why this class is a poor fit Replied, post #2 · Safety › Contraindications · 26 Apr 2025 · 0 likes Concurrent insulin or sulfonylureas: not an absolute contraindication but requires dose adjustment and close monitoring for hypoglycemia. The combination is used with…
Coming back to: Why quantitation is the hard part, not detection Replied, post #9 · Analytics › Home & field testing · 23 Apr 2025 · 12 likes post #8 answers the question as asked. The question underneath it is different. Immunoassay limitations: tests that use antibodies have cross-reactivity limitations. An…
Review: a draft on reconstitution arithmetic, with objections Replied, post #93 · Documentation › Doc review · 6 Apr 2025 · 26 likes Review date disputes: if a maintained page's review date is approaching and it has not been updated, post a note so the maintainers notice.
A promotion I argued against, and why I lost Replied, post #158 · Documentation › Doc review · 2 Apr 2025 · 20 likes Worth separating two things that post #154 runs together. Citation checking: if a maintained page cites a paper, the citation should match what the paper actually says.…
Reading order for a first week here, and what to skip until later Replied, post #54 · Start Here › Welcome · 27 Mar 2025 · 0 likes There is no stupid-questions rule and no penalty for asking badly. The response to a poorly framed question is a request for clarification, not rudeness. That is a…
Units, standards, and other things that quietly hold the world together Replied, post #4 · Lounge › Off topic · 23 Mar 2025 · 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…
Biased agonism: a real phenomenon, an over-used explanation Replied, post #97 · Pharmacology › Receptor biology · 14 Mar 2025 · 6 likes On post #93 — agreed on the reasoning, with one qualification. Cross-reactivity and selectivity: the compounds are not perfectly selective for their target receptors.…
Revisiting: Bug report: the reconstitution calculator and a rounding edge case Replied, post #109 · Data & Tools › Calculators · 28 Feb 2025 · 25 likes Units: all calculators explicitly require units to be stated. This prevents the decimal-point errors that come from forgetting units. Always verify units in and out.
What we do not know about retatrutide, listed explicitly Replied, post #107 · Compounds › Retatrutide · 22 Feb 2025 · 5 likes post #106 is right about the mechanism and I think understates the practical bit. Thank you for the correction. I have edited my earlier post with a note rather than…
Transit times by route, from a logged dataset — the long version Replied, post #62 · Sourcing › Logistics · 20 Feb 2025 · 1 like Coming back to post #60, because the follow-up matters more than the original answer. Insurance and carrier liability: most parcel carriers limit liability.…
Protein density versus volume when you cannot eat much Replied, post #67 · Nutrition & Training › Protein & intake · 4 Feb 2025 · 27 likes Leucine and MPS: leucine stimulates muscle protein synthesis at a threshold of roughly 2 to 3 grams per meal. That influences how much protein per meal matters, but…
Second pass at: Pharmacy supply in the UK and the questions you will be asked Replied, post #14 · Regional › UK & Ireland · 3 Feb 2025 · 10 likes Private prescribing is legal and widespread, including through remote consultation. Pharmacies must satisfy themselves that a prescription is clinically appropriate.…
Journal club: SURMOUNT-1, read without the press release Replied, post #53 · Evidence › Journal club · 1 Feb 2025 · 10 likes STEP 1 (N Engl J Med 2021): The pivotal obesity trial for semaglutide and the reference point for most subsequent comparison. Mean weight reduction was substantially…
Canadian access and provincial variation Replied, post #9 · Regional › North America · 21 Jan 2025 · 2 likes United States: FDA licenses compounds. Prescribing and pharmacy practice are state-regulated. Compounds are prescription-only. Coverage is decided by individual plans,…
Oral semaglutide bioavailability and its variability between people — a second dataset Replied, post #24 · Compounds › Oral incretins · 25 Dec 2024 · 33 likes Trial adherence in an oral trial with strict administration requirements is genuinely worse than trial-published data often suggests. That is why the exposure…
[2026 update] How to read a forest plot, properly, from scratch Replied, post #53 · Evidence › Trials · 23 Dec 2024 · 13 likes Population narrowness: most trials in this class enrolled fairly specific groups. Baseline body mass index ranges, exclusion of renal disease, exclusion of certain…
Time to steady state after a dose increase Replied, post #3 · Pharmacology › Pharmacokinetics · 2 Nov 2024 · 0 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.
US compounding rules and how they changed Replied, post #42 · Regional › North America · 26 Oct 2024 · 26 likes post #41 is right about the mechanism and I think understates the practical bit. Prior authorisation, step therapy, and exclusion of weight-management indications from…
Second pass at: Hoarding and why it makes a shortage worse Replied, post #64 · Access › Shortages · 11 Oct 2024 · 0 likes This follows post #61 rather than contradicting it. International supply chains: a shortage in one country does not mean shortage in another. That is why ordering from…
Second pass at: A field-by-field walk through a certificate of analysis Replied, post #46 · Analytics › COA interpretation · 5 Sep 2024 · 22 likes Water content (residual moisture) matters: lyophilised peptide is not dry. A few percent water is normal. The difference between a TFA salt and an acetate salt can be…
Why a preprint's supplementary material is often the best part Replied, post #3 · Evidence › Preprints · 25 Aug 2024 · 22 likes I read the opening post twice before replying, because I had assumed the opposite. Practical note that does not fit anywhere else. Whatever you conclude from this…
Coming back to: Pricing far outside the range, in either direction Replied, post #19 · Sourcing › Red flags · 30 Jul 2024 · 4 likes post #18 answers the question as asked. The question underneath it is different. Pricing patterns: unusually low prices for what are otherwise consistent with market…
Guidelines revision: what changed and why Replied, post #136 · Meta › Announcements · 29 Jul 2024 · 12 likes post #135 is right about the mechanism and I think understates the practical bit. Implementation timeline: announcements include when a change takes effect. Marking the…
Where the four-week escalation interval comes from, and what it is not Replied, post #59 · Practice › Dosing & titration · 24 Jul 2024 · 18 likes Splitting a weekly dose in two: the pharmacokinetic argument against is that you want the benefit of long half-life, which gives a slowly changing plasma level from a…
Journal club: FLOW and the renal composite, component by component Replied, post #46 · Evidence › Journal club · 13 Jul 2024 · 3 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…
Two sessions a week versus four: what the evidence supports — a second dataset Replied, post #8 · Nutrition & Training › Resistance training · 10 Jun 2024 · 23 likes Post-weight-loss training: once weight loss is complete and energy deficit ends, training can shift to building again. The transition from preservation mode to building…