Capsules are usually sold in 50 mg units
Is There an Association with Systemic Lupus Erythematosus, Rheumatoid Arthritis, Autoimmune Atrophy Gastritis and Autoimmune Pancreatitis
Rodent (diet-induced obesity, 28 days) Babula et al
For individuals receiving B12 injections for severe deficiency, there have been isolated reports of hypokalaemia (low potassium) during initial treatment, as rapid cell production consumes potassium
Standard escalation follows: 0.25mg weeks 1-4, 0.5mg weeks 5-8, 1.0mg weeks 9-12, with potential further increases to 1.7mg or 2.4mg based on response
Your best insurance to protect yourself against such cases is to only accept injecting pure B12, mixed only with pure, preservative-free, sterile saline