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Oral B12 supplementation generally takes longer to produce noticeable effects than intramuscular injections, with patients typically experiencing improvements within 24 weeks

Standard 1,000-5,000 mcg IV B12 Dosing Guidelines The amount of IV vitamin B12 can vary a lot

Both methods have their perks, but we need more research to know which one wins the prize

This effect is linked to its role in reducing certain steps of melanin production and minimizing oxidative stress (J Clin Aesthet Dermatol, 2023)

People using insulin or sulfonylureas may need dose adjustments to reduce hypoglycemia risk

Treatment is very comfortable and ideal without any side effects within the safe dosage