The two most common methods are intramuscular (IM) and subcutaneous (SC) injections
MIC injections may be appropriate for adults pursuing modest metabolic support alongside an established diet and exercise program, particularly those with identified nutrient deficiencies in choline or B vitamins
Weekly Injection Schedule After the first phase, shots are given weekly for a few weeks
Low B12 levels have been associated with depression, cognitive impairment, irritability, and in severe cases, psychosis
Popular Brands Hospira (Pfizer) Cyanocobalamin Injection American Regent Cyanocobalamin Fresenius Kabi Cyanocobalamin Sandoz Cyanocobalamin Teva Cyanocobalamin Strengths 1000 mcg/mL (standard adult & clinical dose) 500 mcg/mL (pediatric or dose-adjusted therapy) 2000 mcg/mL (high-strength for severe deficiency) Typical regimen: 1000 mcg IM weekly, then monthly maintenance (per healthcare providers direction)
Why get 56% absorption with oral supplementation, when you can receive 100% absorption of Vitamin B12