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33 Birrer MJ, Moore KN, Betella I, et al
Check whether the product was shipped on ice or cold packs (indicating cold chain maintenance) and whether the label specifies refrigeration requirements
R., Lee, J., Chu, H., Jeong, K
Vitamin B12 Vitamin B12 is a water-soluble vitamin essential for nerve health, DNA synthesis, and red blood cell formation
Lancet (2018) 392(10148):63749
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