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Many of the FDA advisers and internal staff who oversaw those decisions no longer work for the agency
Lets explore each type of B12 in detail: Methylcobalamin: The Bioavailable Natural Form Methylcobalamin is the most bioavailable form of B12, meaning its readily absorbed and used by the body
Diarrhea: Affecting the overall digestion process, low cobalamin in the diet will result in gastrointestinal disorders
Once this store has been depleted, however, deficiency symptoms slowly set in
That system can break down if you: Take acid blockers (PPIs like omeprazole) or antacids regularly Have low stomach acid from age or chronic stress Have had GI surgery (gastric bypass, bowel resection) Live with conditions like celiac, Crohns disease, or IBS Have autoimmune pernicious anemia Even with high-dose tablets (e.g., 1000 mcg), only a small fraction may reach your bloodstream
