are b12 injections worth it

https://preview.redd.it/does-this-look-normal-never-seen-it-red-before-v0-5mcvgh6yqmwe1.jpeg?width=640&crop=smart&auto=webp&s=abfbd13e9125c689ec16fffe1bffe30badb1fd8a Specification:5 mg vial inflamed As B12 helps make red blood cells, a lack of vitamin B12 can cause anemia 5-Amino-1MQ 50mg — Origin Research

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