People with severe kidney disease require more individualized dosing and monitoring because vitamin handling changes in renal impairment
Most people obtain the majority of the vitamin B12 they need each day through foods such as: 2,9 Fortified cereals Dairy products like yogurt, cottage cheese, and cheese Meat, poultry, and fish Nutritional yeast However, some individuals may need to prioritize additional vitamin B12-rich foods or supplementation, including those who: Are Vegan or Vegetarian With the exception of fortified foods, vitamin B12 is naturally found almost exclusively in animal-based food sources
PubMed Goldstein, A.L., Hannappel, E., Sosne, G., & Kleinman, H.K
Your body doesnt store Vitamin B12 for long though
Vitamin B12 can cause dermatitis, acne, and other skin-related conditions when taken in excess, according to a review in the American Journal of Clinical Dermatology