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The label states that vitamin B12 is important for growth, cell reproduction, blood formation, and nerve tissue

The injections offer direct delivery into the bloodstream, which avoids the digestive limitations associated with oral supplements

A substantial amount of research has confirmed that high doses of GC can directly cause endothelial cell injury and inhibit local angiogenesis 38,39

If recovery poses your bottleneck, prioritize proven recovery strategies such as programming, sleep, nutrition, stress management, and physical therapy first

Hang on to those vitamins But although the study found a possible link, it did not prove that too much vitamin B12 definitely causes or worsens acne