can b12 injections cause bruising Does therapy shot bruising? What happens if you inject

Blood, 116, 3983

Efficient Absorption Because the injection bypasses digestion, the body can absorb and use B12 in a consistent and predictable way

9 23 In a recent RCT in Bangalore, India, daily maternal vitamin B 12 supplementation (50 g/day) during pregnancy through 6 weeks postpartum substantially improved maternal vitamin B 12 status and increased breast milk and infant plasma vitamin B 12 concentrations

Subcutaneous administration achieves brain concentrations twice plasma levels (t 1/2 ~10.5 hr) with no toxicity observed at 15 the therapeutic dose in rats

The relationship between body weight and optimal dosing has not been established through controlled trials