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B12 (as methylcobalamin) acts as a cofactor in the methylation cycle itself
Cutaneous NAD+ stores decline naturally with age and environmental stress, contributing to dullness, fine lines, and reduced elasticity
The hepatocarcinogenicity of peroxisome proliferators in rodents involves several members of this heterogeneous group of agents (Evans and Lake 1998)
Gastrointestinal side effects were mostly mild to moderate, with the highest incidence in the 8 mg fast escalation group [114]
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