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They don't just sit on your skin hoping to moisturize wrinkles into temporary invisibility
Some of the roles that are attributed to vitamin B12 include: Forming red blood cells Playing a role in DNA/RNA synthesis Acting as a cofactor for methionine synthase (helping with methylation or the conversion of homocysteine to methionine, which protects cardiovascular health and more) Facilitating metabolic conversion of protein and fats Carrying out neurotransmitter functions and helping with production of hormones Helping convert amino acids and make creatine Producing myelin sheath (the coating of nerves) Helping with synthesis of hemoglobin Playing a role in fetal development during pregnancy How Much Do You Need
They have not been demonstrated, through scientific trials, to provide the health benefits that they claim
Author contributions Conceived and designed the experiments: LG, KL and HL
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