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ForumsPublic SquareSemaglutide and addictive behavior reduction — dopaminergic pathway analysis Page 2

Semaglutide and addictive behavior reduction — dopaminergic pathway analysis

NeuroNate Wed, May 27, 2026 at 4:08 AM 10 replies 363 viewsPage 2 of 2
Dr.RaviCardio
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May 27, 2026 at 10:08 PM#6

The figures, for anyone assembling their own picture. Worth knowing that the injection site changes very little. Abdomen, thigh and upper arm are bioequivalent for semaglutide, so a site change is not a plausible explanation for a bad week.

33 3pete_manc_UK, anna.melb_AU, mark_tokyo and 30 others
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paige_pharma
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May 28, 2026 at 5:16 AM#7

One thing that is still open after VanRx_Mike’s answer:

What the dose-response curve actually looks like above 1.7mg, because the trial means hide how few people account for the extra loss?

32 2Dr.SurgeonPGH, rachel_ABQ, traveltech_sara and 29 others
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lisa_labSD
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May 28, 2026 at 12:24 PM#8
Dr.RaviCardio said:
Worth knowing that the injection site changes very little.

There is a second half to this that has not been said yet. Albumin binding above 99% is the whole reason weekly dosing works, and it is also why the trough matters more than the peak. People who dose late are not losing a peak, they are letting the trough fall, and the appetite effect tracks the trough.

31 1Dr.PulmRoch, maya_sedona, stefan_berlin and 28 others
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NeuroNate
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May 28, 2026 at 7:32 PM#9

OP back with an update, since a thread like this is useless without one.

Six weeks on from posting: I stopped reading the weekly number and started reading a four-week average, and the "stall" I opened this thread about was a 1.8kg loss I could not see.

30 0kim_atl_prep, sarah_TO, wendy_avl and 27 others
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tane_welly
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May 30, 2026 at 5:47 AM#10
lisa_labSD said:
Albumin binding above 99% is the whole reason weekly dosing works, and it is also why the trough matters more than the peak.

That is correct as far as it goes, and here is where it stops going. The dose-response is real but shallow at the top. Across STEP 1 and STEP 4 the gap between 1.7mg and 2.4mg is a couple of percentage points of body weight on average, and the average is carrying a wide spread — plenty of people at 1.7mg sit above the 2.4mg mean. If a dose is working and tolerable, "working" is the relevant variable, not "maximal".

Last edited: May 30, 2026 at 8:47 AM
48 21pam_columbus, nick_SD_fit, ben_calgary and 45 others
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