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ForumsLab Results & BiomarkersVitamin B12 monitoring — deficiency prevalence on GLP-1 therapy Page 5

Vitamin B12 monitoring — deficiency prevalence on GLP-1 therapy

B12Beth Sat, May 30, 2026 at 4:16 PM 22 replies 530 viewsPage 5 of 5
mike_mealprep
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Jun 3, 2026 at 2:49 AM#21

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

How long did you give it before you decided it was working?

45 20mia_MS2, LeilaHI, marcus_mpls and 42 others
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patPC_UT
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Park City, UT
Jun 4, 2026 at 9:40 AM#22
BariatricNurseD said:
The mechanism and the magnitude are separate questions.

Careful with the causal language. Two things moving together in a period when five things changed is not a mechanism, and stating it as one makes the thread less useful to somebody reading it later.

44 19mike.trainer_LA, sarah_nash92, FitDadDave and 41 others
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JennaRN
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Jun 5, 2026 at 4:29 PM#23
BariatricNurseD said:
The mechanism and the magnitude are separate questions.

Agreed, and one caution: a single measurement is not a measurement. Anything that moves day to day needs a trend before it means anything at all.

Last edited: Jun 5, 2026 at 5:29 PM
43 18BiostatsBrad, PeptideSynthNJ, Dr.KarenChen and 40 others
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jason_sac26
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Jun 6, 2026 at 11:18 PM#24
BariatricNurseD said:
The mechanism and the magnitude are separate questions.

Thank you — that is the clearest version of this I have read, and I have read a lot of them. Adding it to my notes with a link back to this thread.

42 17maya_sedona, stefan_berlin, Dr.EM_Chicago and 39 others
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TrialNerd_Beth
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Jun 8, 2026 at 6:06 AM#25

Clinical perspective, offered as context rather than as advice. Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third retelling.

41 16SleepFixSam, PurityPaulOR, MaxMetOK and 38 others
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