For B12 deficiency, a typical injection dose is 1,000 mcg once a week for 4 to 8 weeks and then 1,000 mcg once a month
Reactions that get worse over the first week, spread, or hurt sharply are a reason to pause and consult a clinician
Those conversations should stay grounded in clinical judgment because regenerative goals can involve skin health, inflammation, hormones, nutrition, lifestyle, and medical history
At the maintenance dose of 2.4mg, you would need to draw 96 units, which is nearly a full 1mL syringe
Standard delivery lands within 23 working days
This can manifest as brain fog, difficulty concentrating, and difficulty completing tasks