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[PubMed: 9311952] 28
But caloric restriction, combined with the reduced nutrient density of a smaller total food volume, creates conditions where B vitamins including B12 become limiting factors for mitochondrial energy production
Generally yes, but some medicines like Metformin, antacids and certain antibiotics can reduce B12 absorption
Mike Israetels most popular videos is his critiques of celebrity workouts
B12 may be injected into a muscle or under the skin at 100 mcg daily for a week, every other day for another week, and then every three or four days for a month
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