doi:10.7860/JCDR/2016/18208.8127 If a good first response is seen, a second injection may be considered when the improvement from the first injection begins to taper off
B12 injections supply vitamin B12 as methylcobalamin or cyanocobalamin, typically given intramuscularly into the deltoid, supporting red blood cell formation, myelin and nervous system health, and the metabolism of homocysteine, a process that can falter with vegan diets, malabsorption, or medications like metformin

Product Description: Ascorbic Acid 10,000 mg (10g/ 20ml/ Vial) Net Content: 1 BOX 1 Box including 10 Injection Sets (1 Injection Set = 1 ampoule) Nourishes and helps keep the skin firm Whiten skin and lighten scars Produces collagen and enhances the elasticity of skin Moisture and hydrate skin Smoothens and softens skin Reduces pigmentation caused from exposure to sunlight Smoothens fine lines and wrinkles Suppresses the formation of acne blemish pimples Minimises pores and improves skin complexion Removes excess free radicals that cause abnormal function of brains and organs Prevents early aging This complex consisting of three cosmetological products rejuvenates the skin, restores, whitens and improves its structure
However, evidence remains insufficient