b12 injection shortage B-12 (Cyanocobalamin) Shot Therapy Vitamin B12 deficiency anemia -
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doi: 10.1210/en.2003-0973

In the AP article, Amazon said they were in the process of addressing non-compliant product listings, and they followed through and removed many of the listings, but they didnt lock down the algorithm to keep these substances off the platform
Still, when used in supplements, theyre produced in a lab rather than being isolated from natural sources

A- It can be used if recommended by a doctor

2016 Aug;16(4):308-11

Growth curves for Laron syndrome
