Adding an additional 30 to 90 units of bacteriostatic water to the syringe before injection reduces local reaction significantly
However, long-term NNMT inhibition in humans hasn't been characterized beyond small pilot cohorts, so concerns about sustained NAD+ elevation (which could theoretically promote certain cancers via PARP or SIRT activation) remain speculative but unresolved
People may need B12 injections if they: Have a vitamin B12 deficiency (due to poor absorption, medical conditions, or dietary choices) Are vegetarians or vegans (B12 is mostly found in animal-based foods) Have digestive disorders like Crohns disease, celiac disease, or low stomach acid Are older adults (since absorption decreases with age) Take medications like metformin or proton pump inhibitors that interfere with B12 absorption Have undergone weight-loss surgery, which can affect absorption What are the Benefits of B12 Shots
Systematic Reviews of Complex Multicomponent Health Care Interventions
Additionally, omega-3 fatty acids found in fatty fish and walnuts help nourish the scalp and add shine to the hair
Specifically, 1 mg = 1,000 mcg