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Cyanocobalamin, whilst still used in some settings, is cleared from the body more rapidly, typically requiring more frequent administration
So, you're not looking at vitamin D levels at all
Laufs, U., Wassmann, S., Czech, T., Mnzel, T., Eisenhauer, M., Bhm, M., & Nickenig, G
9.Tian G, Sawashita J, Kubo H, Nishio SY, Hashimoto S, Suzuki N, Yoshimura H, Tsuruoka M, Wang Y, Liu Y, Luo H, Xu Z, Mori M, Kitano M, Hosoe K, Takeda T, Usami S, Higuchi K
US$ 29.60
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