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The active ingredient is identical, so the dose translates directly

HPLC Tested

Size:1000 mcg/ml - 30 ml (Pack of 2)

To absorb B12 from food or pills, the stomach must produce a protein called “intrinsic factor.” As we age, or due to conditions like gastritis, Celiac disease, or the use of acid-reflux medications, the body’s ability to produce this protein diminishes