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vitamin b12 injection muscle growth Will a Give Me More Energy? Absorption issues lee silsby b12 injection Size:1000 mcg/ml - 10 ml x 4
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Absorption issues
Size:1000 mcg/ml - 10 ml x 4
Intrinsic factor is efficient at absorbing a high percentage of a small dose of B12, but it becomes saturated after a meal containing an above-average amount of B12, and about 4 to 6 hours are required before it can efficiently absorb another dose (Institute of Medicine, 1998)
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