Cyanocobalamin : Synthetic form, requires conversion to active B12, longer shelf life, lower cost Methylcobalamin : Bioactive form, immediate utilization, preferred for neurological symptoms, more expensive Hydroxocobalamin: Used for cyanide poisoning, longest-acting Standard dose: 1000mcg/ml Routes: Deep IM (gluteal/deltoid) or subQ (abdominal) Loading phase: Daily/weekly for 1-4 weeks Maintenance: Monthly or every 3 months (hydroxocobalamin) No need for aspiration before injection Oral absorption requires intrinsic factor (absent in pernicious anemia) and healthy ileum
Here are a few vitamins commonly included in vitamin injections: Vitamin C : A well-known antioxidant, Vitamin C helps strengthen your bodys natural defenses by supporting the production of white blood cells
PHARMACOKINETICS: Absorption Following a subcutaneous injection of single dose of 4 mg Somatotropin in healthy male and female adults, the extent of absorption (AUC) was 291 hr.g/L and the peak concentration (Cmax) was 37 g/L
The FDA warns they pose serious safety risks, including allergic reactions
They take more time to administer, but they deliver higher nutrient doses and faster, more noticeable results
