vtimain b12 injection arm sore after Why does my arm hurt after a shot? B12 Injections for Energy: Benefits
Description
Nicotinamide (niacinamide) does not cause flushing and has fewer side effects, with nausea and liver toxicity reported only at very high intakes ~3 g/day)

Methylcobalamin - Pubchem
Glutathione A powerful antioxidant and helps the body process the effects of alcohol

All of these will also have immediate and prolonged benefits too
