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Description
While a deficiency in B12 can lead to serious health issues, did you know that taking too much can also cause problems
Zhou D, Huang C, Lin Z, Zhan S, Kong L, Fang C
Severyanova and D
Administration: SC (blend-dependent) and/or topical (GHK-Cu) as directed
doi: 10.1056/NEJMoa2500969
