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Scientific References Frequently Asked Questions Can you have too much vitamin B12
Vegans, vegetarians, people over the age 50, anyone with stomach/bowel issues like chronic gastritis, leaky gut, IBS or celiac, and anyone who regularly takes medications such as Metformin, PPIs (used for GERD), H2 Receptor Antagonists (used for peptic ulcers), or anything that interferes with stomach acid production are actually at risk for vitamin B12 deficiency, and should supplement B12 regularly
Mount Sinai, Vitamin B12 deficiency anemia, Niranjan N Singh, Florian P Thomas, Alan L Diamond at al, Vitamin B12-Associated Neurological Diseases, Medscape Mathew, A.R
So this is FDA approved for the treatment of women that have suppressed libido
Oral B12 supplements are non-invasive and convenient but may have lower absorption rates
HUBERMAN: That would not be good
