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u/yannick_barros

Contributes reviews on supplier material. Based in Wrocław.

member · joined 15 Jun 2025

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Comments — page 2 of 3

comment on what would you tell week-1 you about heart rate in c/sideeffects · 1 points · 5 months ago

Not convinced by that mechanism. Slowed gastric emptying explains fullness and reflux; it does not explain what you are describing.

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comment on is it normal to get reflux at week 5 in c/sideeffects · 192 points · 5 months ago

This. A bad fortnight after a step is expected. A bad quarter is a reason to talk to somebody who knows your history.

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comment on is it normal to get reflux at week 5 in c/sideeffects · 0 points · 5 months ago

fatigue plus low intake is usually just low intake

aleksi_lehtinen is right about the timing. The day-of-week pattern is the diagnostic bit, not the severity.

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comment on appetite: what the trials say vs what this community says in c/glp1science · 43 points · 5 months ago

Agreed that receptor distribution is the key to the side-effect map.

This is the concept everything else on this board is downstream of.

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comment on [Discussion] telehealth is doing more work than we give it credit for in c/compounding · 4 points · 5 months ago

ask what the beyond-use date is based on

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comment on reading identity threads from 2024 and half of it aged badly in c/researchpeptides · 1 points · 6 months ago

the same name covers several different molecules in this space

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comment on genuine question about glucagon that I am slightly embarrassed to ask in c/retatrutide · 6 points · 6 months ago

What is the source for that figure — the published paper or a summary of it?

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comment on [Meta] the gallbladder rule is doing its job and people should stop complaining in c/sideeffects · 19 points · 6 months ago

write down when it starts and stops, the pattern is the useful part

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comment on [Results] 38 weeks, 14kg, and T2D was the hard part in c/t2dglp1 · 36 points · 6 months ago

Careful, that is a regimen change suggestion and it needs to come from whoever manages your diabetes.

bianca_dziedzic is right that the fasting number moves last. Knowing that in advance saves months of worry.

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comment on reading pharmacology threads from 2024 and half of it aged badly in c/glp1science · 0 points · 8 months ago

Careful — you have a plausible mechanism and no evidence that it is the operative one in the case you are describing.

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comment on reading retatrutide threads from 2024 and half of it aged badly in c/retatrutide · 157 points · 8 months ago

triple agonist — GLP-1, GIP and glucagon, and the glucagon arm is the new part

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comment on [Results] 69 weeks, 14kg, and T2D was the hard part in c/t2dglp1 · 228 points · 8 months ago

Incretin-based agents stimulate insulin secretion in a glucose-dependent manner, which is why hypoglycaemia risk with them alone is low. Risk rises with agents that act independently of glycaemia.

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comment on [Vendor] Homopeptide vs QSC on the same compound, same month — both cleared 98.0% in c/labresults · 14 points · 8 months ago

This.

This is why the template has a batch field. Without it the result is about a vial nobody can identify.

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comment on [Lab] TFC BPC — Janoshik came back 98.4% against a claimed 98.0% in c/researchpeptides · 3 points · 8 months ago

Yes. Naming conventions in this corner are loose enough that the same word covers several different molecules.

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comment on what changed for me between month 10 and month 14 in c/retatrutide · 504 points · 8 months ago

The thing that surprised me was how much of the discussion here is inference rather than measurement.

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comment on [PSA] gastric emptying is not what most of this community thinks it is in c/glp1science · 26 points · 9 months ago

Is that from a human study or a preclinical model?

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comment on [PSA] gastric emptying is not what most of this community thinks it is in c/glp1science · 48 points · 9 months ago

Tried to build a mental model from mechanism alone and produced a confident prediction that the trial data flatly contradicted.

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comment on [PSA] gastric emptying is not what most of this community thinks it is in c/glp1science · 72 points · 9 months ago

Spent an evening on the receptor distribution literature and the side-effect map suddenly stopped looking random.

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comment on week 32 check-in — 14kg down, nausea manageable, one thing confusing me in c/retatrutide · 4 points · 9 months ago

the energy-expenditure story is mechanistically interesting and clinically unproven

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comment on the constipation thing finally clicked for me and I want to write it down in c/sideeffects · 17 points · 9 months ago

Correcting my own comment above: I said day three and my log says day two. Same pattern, wrong day.

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comment on the constipation thing finally clicked for me and I want to write it down in c/sideeffects · 36 points · 9 months ago

the food noise going quiet is the effect people came for, and sulphur burps are the toll for the first fortnight

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comment on the constipation thing finally clicked for me and I want to write it down in c/sideeffects · 45 points · 9 months ago

Which day of the week relative to the shot does it hit?

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comment on my A1c moved and I cannot work out whether TRIUMPH is why in c/retatrutide · 2 points · 9 months ago

the glucagon component is why the metabolic story reads differently

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comment on [Discussion] can we stop arguing about API source until somebody posts a number in c/compounding · 218 points · 9 months ago

The shortage list is the legal hinge: the permissions that allow certain compounding to happen at scale are tied to a drug’s shortage status, which changes.

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comment on [Meta] proposal — a flair for identity posts in c/researchpeptides · 50 points · 10 months ago

purity methods differ between compound classes

Disagreeing with this bit: handling for one compound does not transfer to another by default.

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comment on [Discussion] we are measuring gallbladder at the wrong time and calling it noise in c/sideeffects · 106 points · 10 months ago

Bought four different things to fix my reflux. What actually worked was eating half as fast.

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comment on [Question] how do you actually verify sulphur burps in c/sideeffects · 203 points · 10 months ago

Kept a one-line-a-day log for two months. The pattern was obvious on paper and invisible in my head.

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comment on does identity actually matter or is it forum lore at this point in c/researchpeptides · 2 points · 10 months ago

Careful — that is a claim about efficacy and there is essentially no human evidence behind it.

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comment on the 503B thing finally clicked for me and I want to write it down in c/compounding · 10 points · 10 months ago

the label on a compounded vial is a legal document, read it

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comment on the 503B thing finally clicked for me and I want to write it down in c/compounding · 1 points · 10 months ago

Asked which facility and got a name straight away. Looked it up, found the registration, felt considerably better about the whole thing.

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comment on the 503B thing finally clicked for me and I want to write it down in c/compounding · 40 points · 10 months ago

a 503B has to register and report, so there is a paper trail to ask for

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comment on [PSA] Janoshik is not what most of this community thinks it is in c/labresults · 48 points · 10 months ago

Right, and a point or two between services is ordinary. It is agreement, and every month somebody posts it as a scandal.

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comment on is it normal to get sulphur burps at week 87 in c/retatrutide · 61 points · 10 months ago

Kept a log specifically because there is so little published. It is one person and it is not data.

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comment on appetite is the most under-discussed thing on this board in c/glp1science · 17 points · 11 months ago

Small fix — it slows gastric emptying, it does not halt it, and the distinction matters for the mechanism you are proposing.

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comment on appetite is the most under-discussed thing on this board in c/glp1science · 29 points · 11 months ago

mechanism explains a direction, not a magnitude

Disagreeing with this specific inference — that is a preclinical result being read as human pharmacology.

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comment on appetite is the most under-discussed thing on this board in c/glp1science · 30 points · 11 months ago

albumin binding is most of the half-life story

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comment on someone explain PeptideMeter to me like I have not read a paper in years in c/labresults · 29 points · 1 year ago

Have now spent more on testing than on some of the orders. No regrets — the log is the reason I can buy without agonising.

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comment on someone explain PeptideMeter to me like I have not read a paper in years in c/labresults · 12 points · 1 year ago

Correction: that is the claimed figure, and the measured one is the higher of the two in your own screenshot.

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comment on help me understand nausea, I have read the wiki twice in c/sideeffects · 1 points · 1 year ago

Nothing in this thread is medical advice, including this comment.

This is the shape almost everybody here describes, and it is the single most reassuring thing in the thread.

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comment on tried triple agonist for 19 weeks. here is what happened. in c/retatrutide · 1 points · 1 year ago

comparing reta phase 2 to sema phase 3 is comparing different things

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