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NAD+, NMN and nicotinamide riboside supply the salvage pathway with material, adding substrate at or near the top of the route to the dinucleotide
Muscle cramps
Allergic reactions to proprietary preparations of vitamin B12 might be due to substances added to the solutions as preservatives or for other reasons, to impurities from the production, or to the vitamin B12 itself
Vitamin and Mineral Requirements in Human Nutrition (2nd ed.)
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