A B12 shot is an intramuscular injection of vitamin B12 , a crucial nutrient that helps with: Red blood cell production Nervous system function DNA synthesis Metabolism of carbohydrates, fats, and proteins Vitamin B12 is found in animal-based foods, so deficiencies are especially common in vegetarians, vegans, and individuals with absorption issues
Tablets and capsules contain binders, fillers, coatings, and preservatives that can irritate the gastric mucosa or trigger sensitivity reactions in some people
While they are safe for almost everyone, some contraindications include those who are breastfeeding or pregnant, or who may have an allergy or sensitivity to any of the ingredients included in the shot
do not freeze the mixed solution, as freezing can denature peptides [8]