Clinical Investigation Stier et al
Adverse effects: Seek medical advice if you develop any unusual, severe, or persistent side effects or symptoms after taking vitamin B12 supplements
Because B12 injections bypass the digestive system, they provide a direct and efficient way to support your bodys needs
Contraindications Given the limited safety data, conservative contraindications would include pregnancy or plans to become pregnant, breastfeeding, age under 18, severe liver or kidney disease, and any condition requiring medications with unknown interaction potential
Because IM injections send B12 directly into muscle, the vitamin peaks in blood within about an hour, ensuring tissues get what they need