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The FDA classifies it as a Category 2 bulk drug substance
synthesized by certain bacteria Although the intestinal flora of humans is able to synthesize vitamin B 12 , humans are not able to absorb bacteria-generated vitamin B 12 since the location of synthesis (the colon) is too distal from the location of absorption (the small intestine)
He was always quiet and socially withdrawn, which led him to drop out of school in the 9th grade
The treatment of Labial Melanotic Macules may include the following: The healthcare provider may choose to regularly observe the benign lesions
J Clin Endocrinol Metab (2020) 105(8):e2695709
J., Cherry, C
