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b12 deficiency injection site How to Give a Injection: Step-By-Step Instructions Where to Inject Vitamin B12
Description
None of this is based on randomized data

It raises IGF-1 levels (which can drive cell growth), can affect blood sugar regulation, and carries risks of promoting unwanted tissue proliferation

Reconstituted solution at 2-8C, use within 30 days

It would be nice if we could come to a greater understanding of how B12 really really works
