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Vitamin B12-related acne tends to occur only in dosages in excess of 5 to 10 mg per week. Thats 5,000 to 10,000 micrograms a week, which is well in excess of the 50 micrograms a day or, alternately, the 2,000-microgram single weekly dose that I recommend
Civil Engineering, UCLA Last updated: July 2026 Human-researched and AI-assisted with full editorial review
Drug-Disease Interactions Kidney Disease: Patients suffering from kidney disease should be cautious while using I VIT 12 COMBINATION PACK INJECTION 2.5ML as high doses of vitamin C can lead to kidney stones in susceptible individuals
But it seems to be working out okay I had a rough start, I need to wait a bit and start over