Thats why its delivered sub q
Children presenting neurological signs or symptoms, those unable to take oral medication, individuals with known malabsorption syndromes, infants under 6 months old, and patients using medications that may interfere with vitamin B12 absorption are typically treated with a parenteral protocol (1)
Studied for raising nicotinamide availability and NAD levels, with associated effects on mitochondrial efficiency and metabolic rate
It is important to check folate status alongside B12, but folate supplementation should not be started before excluding B12 deficiency, as this may precipitate neurological complications
Research shows this dose works well to fix deficiency and reduce symptoms like tiredness, weakness, and nerve problems
Wellness 22 May 2026 6 min read Why do I feel worse after my B12 injection