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Zhang X, Yu K, Ma L, Qian Z, Tian X, Miao Y
Gerstein HC, Sattar N, Rosenstock J, Ramasundarahettige C, Pratley R, Lopes RD, Lam CSP, Khurmi NS, Heenan L, Del Prato S, et al
Clin Exp Med (2019) 19(1):4753
Participants took their supplement one hour prior to exercise
Intramuscular injections of vitamin B12 are widely used as a standard treatment for vitamin B12 deficiency
This reduces oxidative DNA damage within melanocytes, diminishing the triggers that upregulate melanin production in the first place
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