mi.almeida

TL2 · Funchal

Contributes reviews on supplier material. Based in Funchal.

Joined 25 October 2024 · last posted 3d

82 posts, newest first. Showing up to 150.

Coming back to: Delayed gastric emptying and oral medication absorption: which drugs… Replied, post #66 · Practice › Interactions · 25 Jul 2026 · 0 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 a certificate commits its issuer to Replied, post #97 · Analytics › COA interpretation · 24 Jul 2026 · 0 likes An itemised related-substances table with retention times says considerably more about the synthesis than a single total. A total tells you how much is not the main…
Stepping down deliberately, and how to do it without losing progress — what changed since Replied, post #84 · Practice › Dosing & titration · 21 Jul 2026 · 5 likes Concentration and dose get conflated constantly in this subcategory. Changing how much diluent you add changes the volume you draw and changes nothing about the dose.
What consumer-accessible tests can and cannot determine — a second dataset Replied, post #97 · Analytics › Home & field testing · 18 Jul 2026 · 30 likes Careful with the language on consumer-accessible tests. "Not detected" and "not present" are different findings and the first is a statement about the method.
Coming back to: Solubility limits and what a cloudy solution is telling you Replied, post #38 · Pharmacology › Formulation chemistry · 7 Jul 2026 · 10 likes Right, and stated more narrowly than I would have dared to state it.
Coming back to: Delayed gastric emptying and oral medication absorption: which drugs… Replied, post #2 · Practice › Interactions · 6 Jul 2026 · 0 likes That is a fair summary of where the discussion has got to.
Naming conventions for research peptides and the confusion they cause Replied, post #24 · Compounds › Other compounds · 2 Jul 2026 · 7 likes Post #22 describes the usual case. This is about the unusual one. The version of naming conventions for research peptides that I was taught turned out to be a teaching…
Documenting a supplier's response to a discrepancy Replied, post #23 · Sourcing › Vendor reports · 25 Jun 2026 · 18 likes Narrowing post #21, because the general version has more than one answer. The cost of a submission is worth stating. It is the main reason people do not do this and…
Packaging that arrived damaged: documenting it properly Replied, post #30 · Sourcing › Logistics · 24 Jun 2026 · 0 likes Documentation after arrival: photograph the parcel and its contents on arrival. If something later turns out wrong (damage, loss, wrong item) you have evidence of the…
Prescription portability between countries Replied, post #67 · Access › International · 17 Jun 2026 · 2 likes The most useful thing anyone can add to a thin regional thread is what the official source says and where it is, rather than what happened to them. A single…
[2026 update] Are there stupid questions here? A staff answer, at length Replied, post #39 · Start Here › Welcome · 8 Jun 2026 · 3 likes The moderation log is public. Every staff action is logged with the rule cited and the reasoning stated. If you get moderated, the explanation is there and it is worth…
A certificate whose chromatogram axes do not match its stated method — one year on Replied, post #75 · Sourcing › Red flags · 5 Jun 2026 · 1 like Taking post #72 at face value and following it one step further. Certificate whose chromatogram axes has been discussed here with more heat than it deserves, mostly…
Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #52 · Compounds › Semaglutide · 5 Jun 2026 · 0 likes The 165 to 184 hour range: that is roughly 7 to 7.6 days, which is why the weekly schedule works. Below 4 half-lives you are not approaching steady state yet, which is…
Reading a trial's population section before its results Replied, post #46 · Evidence › Trials · 23 May 2026 · 0 likes Coming back to post #44, because the follow-up matters more than the original answer. Composite endpoints should be read component by component. A composite driven…
Why the timeline is on the right and not the left — what changed since Replied, post #38 · Meta › Site feedback · 18 May 2026 · 0 likes Navigation problems: if you cannot find something you expected to exist, or the path to it is unclear, report it. Site architecture affects usability. I checked the…
A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #31 · Practice › Reconstitution · 1 May 2026 · 12 likes Bookmarking this. I will come back when I have something worth adding.
Follow-up: A parcel that arrived warm: a decision process, not a verdict Replied, post #11 · Practice › Storage & stability · 30 Apr 2026 · 0 likes Visible particulate is a strong signal in the other direction: it is a reason to stop and ask rather than to filter and proceed.
Delayed gastric emptying and oral medication absorption: which drugs matter — one year on Started this topic · Practice › Interactions · 20 Apr 2026 · 41 likes On the subject in the title: Delayed gastric emptying and oral medication absorption: which drugs matter — one year on Working notes rather than a conclusion. A…
Choosing which test to pay for, given a fixed budget Replied, post #71 · Sourcing › Independent verification · 15 Apr 2026 · 24 likes Repeat testing: if you want to verify the same lot a second time, testing with a different service strengthens the conclusion. Testing with the same service verifies…
Journal club: orforglipron phase 2 and the non-peptide question Replied, post #35 · Evidence › Journal club · 10 Apr 2026 · 0 likes What I would want before treating orforglipron phase 2 as settled: the method, the sample, and whether anyone tried to find the opposite result. Two of the three are…
A widely repeated interaction claim that turns out to be unsupported — what changed since Replied, post #23 · Practice › Interactions · 9 Apr 2026 · 14 likes Oral medications with a narrow therapeutic index are the ones where that matters most. The interaction is about rate and timing rather than about the total absorbed, in…
Grapefruit: why this class is not the class that cares Replied, post #136 · Practice › Interactions · 8 Apr 2026 · 12 likes Confirming post #135 from a second method, which matters more than confirming it from a second person. An update on my earlier grapefruit post: the pattern held for…
Coming back to: Why a preprint's supplementary material is often the best part Replied, post #18 · Evidence › Preprints · 27 Mar 2026 · 18 likes Post #16 is right about the mechanism and I think understates the practical bit. The honest position on most preprints in this field is that they are interesting and…
Second pass at: Choosing a concentration on purpose rather than by accident Replied, post #52 · Practice › Reconstitution · 23 Mar 2026 · 15 likes I read post #48 twice before replying, because I had assumed the opposite. A note on how Choosing a concentration gets discussed rather than on Choosing a concentration…
Grapefruit: why this class is not the class that cares Replied, post #59 · Practice › Interactions · 20 Mar 2026 · 7 likes I changed my mind about grapefruit after someone here asked me for the source and I could not produce one. That is worth saying out loud because it is the ordinary way…
Introducing myself: pharmacist, sceptic, reluctant participant — one year on Replied, post #102 · Lounge › Introductions · 18 Mar 2026 · 3 likes No spam: introductions are not a place to advertise commercial products or services. That is a rules violation. The literature is thinner on this than the confidence in…
Second pass at: Which categories are strict and which are relaxed, honestly Replied, post #20 · Start Here › Welcome · 3 Mar 2026 · 0 likes Reading the guidelines before you post is genuinely worth the twenty minutes. Not because you will break one, but because the rules explain why the place reads the way…
What "marked as solution" means and who gets to mark it — does this still hold? Replied, post #48 · Start Here › Welcome · 1 Mar 2026 · 0 likes Adding a data point of agreement rather than a data point.
Anxiety in the first weeks: drug, situation, or both — what changed since Replied, post #94 · Wellbeing › Mental health · 20 Feb 2026 · 29 likes Motivation and expectation: starting with clear motivation and realistic expectations about what will happen and when helps with psychological adjustment. If this…
Dead volume across syringe and needle combinations Replied, post #74 · Devices › Syringes & needles · 18 Feb 2026 · 7 likes U-100 means the barrel is graduated for a solution containing one hundred units of insulin per millilitre. For anything that is not insulin, the units are simply…
A fridge failure and how I assessed the contents afterwards Replied, post #2 · Devices › Cold chain · 14 Feb 2026 · 10 likes Two things can be true about fridge failure at once: the mechanism is plausible and the evidence for the size of the effect is thin. Most of the argument here is people…
Seven-day rolling means and why weekly readings mislead — one year on Replied, post #49 · Outcomes › Progress reports · 13 Feb 2026 · 12 likes An observation about Seven-day rolling that I cannot explain and am posting anyway, on the principle that unexplained observations are more useful public than private.
Sample size calculations, read backwards from the published number Replied, post #3 · Evidence › Trials · 3 Feb 2026 · 16 likes Discontinuation handling is the methodological detail that most changes a result and gets the least attention. Read how missing data was imputed before reading the…
Price changes over 2025 and 2026, tabulated and dated — does this still hold? Replied, post #69 · Access › Pricing · 23 Jan 2026 · 9 likes I had written a reply contradicting post #65 and deleted it. Here is what survived. Nothing here is financial advice and none of it is a route to a transaction. None of…
How to read a phase 2 result without treating it as a phase 3 result Replied, post #22 · Compounds › Retatrutide · 11 Dec 2025 · 0 likes Whether triple agonism is additive or synergistic is an open question and the published work does not answer it. A phase 2 trial without a dual-agonist comparator arm…
How the vendor documentation pages are maintained, and by whom — what changed since Replied, post #102 · Sourcing › Vendor reports · 2 Dec 2025 · 28 likes This follows post #99 rather than contradicting it. Dosing and purity: a vial that is 99% pure might contain 80% of its label claim if the other mass is water,…
Reading an interaction checker output critically Replied, post #55 · Practice › Interactions · 30 Nov 2025 · 4 likes A supplement is a drug for interaction purposes, and the fact that it is sold without a prescription tells you nothing about whether it interacts. The paperwork is…
When to stop reading forums, including this one Replied, post #55 · Wellbeing › Mental health · 29 Nov 2025 · 13 likes Building on post #54 rather than restating it. Where a member is finding this hard, the useful reply is usually a question rather than an answer, and this subcategory…
Reading SURMOUNT-1 without the press release Replied, post #63 · Compounds › Tirzepatide · 12 Nov 2025 · 29 likes SURMOUNT-4's randomised withdrawal design is the strongest available evidence about what happens on stopping. It says nothing about a lower maintenance dose, because…
New subcategory: rationale and scope Replied, post #108 · Meta › Announcements · 24 Oct 2025 · 4 likes Reading rather than contributing, but this is the most useful thread I have found on it.
[2026 update] Splitting an overlong document into two Replied, post #42 · Documentation › Wiki requests · 18 Oct 2025 · 12 likes This follows post #36 rather than contradicting it. Requests for a document covering something the evidence does not support get declined, and the decline usually…
What happens after your first post: likes, trust levels, and why none of it matters much… Replied, post #3 · Start Here › Welcome · 11 Oct 2025 · 7 likes That matches what I have seen, for whatever a single anecdote is worth.
Revisiting: GLP-1 receptor distribution: central and peripheral Replied, post #46 · Pharmacology › Receptor biology · 30 Sep 2025 · 10 likes Seconded. It reads as careful rather than confident, which is the right register.
Which panel is worth repeating and which is worth ignoring Replied, post #117 · Clinical › Bloodwork · 21 Sep 2025 · 28 likes Post #116 put the caveat in the right place and I want to underline it. On panel the community has more anecdote than the confidence in this thread implies, and I…
Payment method and the leverage it gives you, ranked Replied, post #46 · Sourcing › Payments · 21 Sep 2025 · 0 likes The site does not carry prices, payment details or transaction routes, and questions asking for them will be answered with that rather than with a link. The literature…
Second pass at: Programming during a large energy deficit Replied, post #4 · Nutrition & Training › Resistance training · 9 Sep 2025 · 17 likes Frequency: three sessions per week of full-body training is easier to maintain than higher frequencies on an energy deficit. Consistency beats intensity when recovery…
[2026 update] What the GIP component of tirzepatide is thought to contribute, and how… Replied, post #118 · Compounds › Tirzepatide · 4 Sep 2025 · 23 likes Categorical response thresholds — the proportion reaching ten, fifteen or twenty per cent reduction — are more persuasive and less informative than the mean. They…
Tirzepatide molecular mass and the charge states you would expect on ESI Replied, post #18 · Compounds › Tirzepatide · 26 Aug 2025 · 22 likes Coming back to post #16, because the follow-up matters more than the original answer. The five maintenance doses in the tirzepatide programme give a genuine…
Gauge and length selection for subcutaneous injection Replied, post #22 · Devices › Syringes & needles · 20 Aug 2025 · 31 likes Sharps containers are a legal requirement for disposal in several jurisdictions and a sensible precaution everywhere. A rigid sealed container is the minimum.
[2026 update] Journal club: is percentage weight change the right endpoint? Replied, post #33 · Evidence › Journal club · 14 Aug 2025 · 0 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…
Follow-up: The decimal-point error, and the habit that catches it Replied, post #36 · Practice › Reconstitution · 4 Aug 2025 · 27 likes Post #33 is right about the mechanism and I think understates the practical bit. The decimal-point error: computing 5 mg / 2 mL as 0.25 mg/mL instead of 2.5 mg/mL is…
How to research a compound with no human data without deceiving yourself Replied, post #46 · Compounds › Other compounds · 1 Aug 2025 · 0 likes Whatever the answer on research a compound turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, invite the…
An emergency department visit, described afterwards Replied, post #47 · Safety › Adverse events · 28 Jul 2025 · 0 likes Nothing here is medical advice, and in this subcategory the phrase is doing more work than in any other on the site. I would rather say I do not know than round it up…
Asking about a compound your prescriber has not heard of Replied, post #105 · Clinical › Prescriber conversations · 25 Jul 2025 · 4 likes Clarifying indication: if a compound is approved for diabetes but you have obesity without diabetes, clarify whether your clinician considers this off-label use and…
Coming back to: Semaglutide half-life: where the 165 to 184 hour figure comes from Replied, post #74 · Compounds › Semaglutide · 17 Jul 2025 · 13 likes An update on my earlier Semaglutide half-life post: the pattern held for another six weeks and then stopped, which I did not predict and cannot explain.
Comparing my trajectory with the trial curves, carefully Replied, post #25 · Outcomes › Progress reports · 17 Jul 2025 · 0 likes This follows post #22 rather than contradicting it. Nothing here is medical advice and a progress report is a description of what happened to one person under…
Immortal time bias in a claims-database study Started this topic · Evidence › Study critique · 14 Jul 2025 · 54 likes Immortal time bias in a claims-database study — setting out what I have, and where I think it stops being reliable. Asking about immortal time bias directly, because I…
Reaching a dose and staying there for a year: a longitudinal note — does this still hold? Replied, post #7 · marked as the solution · Practice › Dosing & titration · 2 Jul 2025 · 7 likes Post #6 is right about the mechanism and I think understates the practical bit. A missed dose in a weekly schedule is not a trough to chase. With a week-long half-life…
Repeatability versus intermediate precision Replied, post #108 · Analytics › Method validation · 1 Jul 2025 · 20 likes Coming back to post #104, because the follow-up matters more than the original answer. Second-hand on repeatability versus intermediate precision, so weight it…
Second pass at: Reading a combination trial: attributing effect to components Replied, post #32 · Compounds › Cagrilintide & amylin analogues · 24 Jun 2025 · 4 likes Combination products complicate the certificate question considerably. Two active components mean two purity determinations and a ratio, and a single figure for a…
Journal club: the CagriSema phase 2 combination paper — a second dataset Replied, post #40 · Evidence › Journal club · 15 Jun 2025 · 6 likes Coming back to post #36, because the follow-up matters more than the original answer. Quoting the sentence rather than paraphrasing it changes the discussion.…
Half-life, steady state, and accumulation worked through Replied, post #58 · Pharmacology › Pharmacokinetics · 3 Jun 2025 · 7 likes Post #56 and I disagree about the size of the effect, not about the direction. Loading doses are not used in this class and the pharmacokinetic reason is tolerability…
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #89 · Sourcing › Independent verification · 13 May 2025 · 0 likes Post #87 and I disagree about the size of the effect, not about the direction. Janoshik Analytical: chromatographic purity and mass-spectrometric identity on submitted…
Follow-up: Documentation that appears only after payment Replied, post #70 · Sourcing › Red flags · 12 May 2025 · 8 likes Everything in post #69 holds. The case it does not cover is the one I have. The honest answer on Documentation is that it depends, and the useful part is the list of…
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #10 · Sourcing › Independent verification · 24 Apr 2025 · 8 likes Two questions I would want answered before drawing anything from the Janoshik data above: how were the cases selected, and what happened to the ones that dropped out.
Antibiotics and a course of something with delayed emptying Replied, post #25 · Practice › Interactions · 21 Apr 2025 · 9 likes A pharmacist can answer most questions in this subcategory in a few minutes with access to a proper interaction database, and that access is the thing a forum does not…
Requesting a page: what makes a good request Replied, post #47 · Documentation › Wiki requests · 6 Apr 2025 · 0 likes Objections to a request belong in the open, and a request that survives an objection is a stronger page for it. The answer changed when I changed how I was measuring,…
Why cagrilintide alone is discussed so much less than in combination Replied, post #61 · Compounds › Cagrilintide & amylin analogues · 29 Mar 2025 · 0 likes I had read the opposite somewhere and cannot now find where, which tells me something.
Second pass at: Cross-border purchase within the EU: the actual rules Replied, post #116 · Access › International · 22 Mar 2025 · 0 likes Reframing Cross-border purchase within slightly, because I think the disagreement is about the question rather than the answer. If the question is "does it happen",…
Counter-ion form: the field almost nobody reports — one year on Replied, post #97 · Analytics › COA interpretation · 18 Mar 2025 · 22 likes Where I part company with post #95, and it is a narrow parting. I read the earlier replies on Counter-ion form twice before writing this, because I had assumed the…
Maintainer handover: how it works Replied, post #24 · Meta › Wiki maintenance · 14 Mar 2025 · 3 likes The failure mode on maintainer handover is boring rather than dramatic. It is almost always the step everyone assumes was done correctly because it is too simple to get…
Coverage for the indication versus for the drug — a second dataset Replied, post #10 · Access › Insurance & coverage · 10 Mar 2025 · 31 likes Generic versus brand: most of these compounds do not have generic versions yet. Once they do, formulary coverage and pricing will shift.
Deamidation and the close-eluting pair it produces Replied, post #3 · Analytics › Impurities & related substances · 27 Feb 2025 · 0 likes Noted, and thank you for writing it out rather than summarising it.
What SELECT changed about how semaglutide is discussed, and what it did not Replied, post #21 · Compounds › Semaglutide · 25 Feb 2025 · 15 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…
Follow-up: Open-label extensions: what survives and what does not Started this topic · Evidence › Trials · 21 Feb 2025 · 4 likes Open-label extensions: what survives and what does not — setting out what I have, and where I think it stops being reliable. I have spent a fortnight trying to pin…
A page that has drifted out of date and needs a maintainer Replied, post #52 · Documentation › Wiki requests · 16 Jan 2025 · 6 likes A request that says what the page should not cover is unusually helpful, because scope creep is what kills these. That is all the detail I have. Someone else will have…
How the published trials escalated, tabulated side by side — does this still hold? Started this topic · Practice › Dosing & titration · 1 Jan 2025 · 11 likes Asking directly, because I could not find a straight answer: How the published trials escalated, tabulated side by side — does this still hold? Asking about published…
Time to steady state after a dose increase Replied, post #122 · Pharmacology › Pharmacokinetics · 5 Nov 2024 · 0 likes Where two sources give different half-lives, check the study design before deciding either is wrong. Sampling duration, assay sensitivity and population all move the…
Journal club: SURMOUNT-1, read without the press release Replied, post #8 · Evidence › Journal club · 30 Oct 2024 · 6 likes Post #5 is right about the mechanism and I think understates the practical bit. Where the SURMOUNT-1 discussion usually stalls is that nobody wants to say "I do not…
Gallbladder disease risk with rapid weight loss Replied, post #22 · Clinical › Comorbidities · 22 Oct 2024 · 33 likes The bit of gallbladder disease risk that nobody enjoys is that the answer changes depending on what you are trying to decide with it. Say what the decision is and the…
Second pass at: Sodium, potassium and magnesium when intake drops Replied, post #141 · Nutrition & Training › Hydration & electrolytes · 8 Oct 2024 · 0 likes The strongest argument against my own position on Sodium, stated as well as I can state it, since nobody else has yet.
Second pass at: A field-by-field walk through a certificate of analysis Replied, post #25 · Analytics › COA interpretation · 11 Aug 2024 · 0 likes Coming back to post #21, because the follow-up matters more than the original answer. Trying to state the field-by-field walk through a certificate position in a way…