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ForumsPublic SquareHair loss on GLP-1 agonists: telogen effluvium vs nutritional deficiency — 6 month update Page 2

Hair loss on GLP-1 agonists: telogen effluvium vs nutritional deficiency — 6 month update

TrialTracker_MD Tue, Nov 11, 2025 at 4:36 PM 23 replies 1,449 viewsPage 2 of 5
PeptideSynthNJ
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Nov 11, 2025 at 9:59 PM#6

The figures, for anyone assembling their own picture. Cheap and worth having: ferritin, B12, vitamin D. Everything else on the deficiency list is adequately covered by a standard multivitamin at ordinary doses.

14 9wanda_boise, NurseAsh_DET, BenResearch_OR and 11 others
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rick_sfbay
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Jan 2025
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Nov 12, 2025 at 12:06 AM#7

One thing that is still open after Dr.PulmRoch’s answer:

Which deficiencies actually show up when intake drops this far, and which are worth testing rather than supplementing blind?

13 8NicoleRaleigh, james_edin, FranDenver and 10 others
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PedsEndoPhilly
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Nov 12, 2025 at 2:13 AM#8
PeptideSynthNJ said:
Cheap and worth having: ferritin, B12, vitamin D.

Coming at PeptideSynthNJ’s question from a different direction. It helps to say which part of this you are uncertain about. A precise question gets a precise answer; a general one gets everybody’s favourite anecdote.

12 7jason_paloalto, Dr.LeslieOBGYN, MikeNYC_runner and 9 others
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TrialTracker_MD
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Nov 12, 2025 at 4:20 AM#9

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

Closing the loop. The answer turned out to depend on the detail I had left out of the opening post, which is a lesson about how to ask rather than about the subject.

11 6Dr.PulmRoch, maya_sedona, stefan_berlin and 8 others
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JessicaM_2024
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Nov 12, 2025 at 2:27 PM#10
PedsEndoPhilly said:
It helps to say which part of this you are uncertain about.

True, with the qualification that this is a self-selected group. The people for whom it did not work post less, and that shapes everything we think we know.

If somebody has the primary source to hand I would rather cite it than paraphrase it.

Last edited: Nov 12, 2025 at 3:27 PM
11 11kevin_tulsa, Dr.PainCLE, mike_mealprep and 8 others
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