can vitamin b12 injections be given subcutaneously

https://www.ddgroup.com/globalassets/productimages/nah315/nah315_2.jpg cyanocomb Excess vitamin B12 does not boost hair growth and should only be taken as prescribed after blood tests Size:100 mg Out of Stock - VITAMIN B12 (Generic) Injectable Solution, 1000-mcg/mL, 500-mL vial | Chewy Rx

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