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ForumsLab Results & BiomarkersVitamin B12 monitoring — deficiency prevalence on GLP-1 therapy Page 3

Vitamin B12 monitoring — deficiency prevalence on GLP-1 therapy

B12Beth Sat, May 30, 2026 at 4:16 PM 22 replies 530 viewsPage 3 of 5
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May 30, 2026 at 8:31 PM#11

Moderator note: Great discussion, everyone. Just a reminder to keep things civil and evidence-based.

Thread quality is excellent — keep it up. 👍

31 8PedsEndoPhilly, SleepDoc_PDX, RegAffairsDC and 28 others
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Dr.ObesityLA
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May 30, 2026 at 8:48 PM#12

Slightly tangential to Vitamin B12 monitoring but Dr.NutriCornell reminded me — has the insurance landscape changed recently?

I know it is not exactly on-topic but it seems related enough to ask here rather than starting a new thread. Apologies if this has been covered — I did search first.

19 21KarenAZ_mom, zoe_NC, Dr.ObesityLA and 16 others
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SaraMom3
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May 30, 2026 at 9:05 PM#13
rick_sfbay said:
Follow-up question: what labs did your doctor order to monitor this

This is exactly right. rick_sfbay articulated what I have been trying to explain to my friends for months. The Vitamin B12 monitoring aspect is what made the difference for me.

14 6KetoKyle, CanadaChris, ZaraB_AL and 11 others
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A1cHero_PHX
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May 30, 2026 at 9:22 PM#14

Saving this for reference. Quality thread.

27 11chris_chi24, tampaLisa73, KarenAZ_mom and 24 others
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BiostatsBrad
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May 30, 2026 at 9:39 PM#15

Adding my data to this Vitamin B12 monitoring discussion:

MetricBaselineMonth 4Month 6
Weight244 lbs239 lbs199 lbs
A1C6.8%6.2%5.2%
hsCRP8.03.01.0

Protocol: Tirzepatide 15mg/wk, resistance training 3x/wk, protein 1.6g/kg/day.

50 24NicoleRaleigh, james_edin, FranDenver and 47 others
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