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ForumsPublic SquareHair loss on GLP-1 agonists: telogen effluvium vs nutritional deficiency — 6 month update Page 3

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 3 of 5
DerekSJ_a1c
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Nov 14, 2025 at 12:17 AM#11
andrew_nyc said:
A sustained drop to 1,100 or 1,200 calories reliably under-delivers a predictable set: B12, vitamin D, iron, folate, zinc and magnesium.

This answered a question I did not know how to ask. Adding it to my notes with a link back to this thread.

10 10adam_van, Dr.SurgeonPGH, rachel_ABQ and 7 others
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PeptideChemSF
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Nov 15, 2025 at 10:08 AM#12

From the other side of the consultation, briefly. The useful move here is to separate what is established from what is widely repeated. Those two sets overlap less than the confident tone of most write-ups suggests, and the second set is where nearly all the disagreement on this board comes from.

Last edited: Nov 15, 2025 at 2:08 PM
9 9dave_SLC, FDA_TrackerJim, ricardo_MIA and 6 others
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LibrarianMeg
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Nov 16, 2025 at 8:00 PM#13
Dr.Martinez said:
The mechanism and the magnitude are separate questions.

Worth saying that the confident version of this is more useful to the person writing it than to the person reading it.

8 8julia.endo, JessicaM_2024, TomFromTexas and 5 others
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LabKate
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Nov 18, 2025 at 5:53 AM#14

The figures, for anyone assembling their own picture. Worth stating the units and the reference range whenever you post a number here. A large fraction of the apparent disagreement in these threads is two people using different units and both being right.

7 7emily_PDX, Dr.SleepRoch, laura_annarbor and 4 others
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mike_mod
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Nov 19, 2025 at 3:46 PM#15

Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again. Tagging this one for the weekly digest.

Last edited: Nov 19, 2025 at 5:46 PM
6 6PurityPaulOR, MaxMetOK, MounjBrad and 3 others
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