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For general gut health maintenance and mild gastrointestinal support, standard doses typically range from 1,500 mg to 5,000 mg (1.5 to 5 grams) per day
As such, having inadequate B12 levels can decrease normal red blood cell production, which can impair oxygen delivery ( Specifically, a deficiency in B12 can cause megaloblastic anemia
No standard dosage works for everyone
Ceccaroni M, Ceccarello M, Clarizia R, et al
June 19, 2025 6:23 View More Can Your Body Heal Itself
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