J Clin Pharm Ther Med 21:537542 Ye Q, Huang B, Zhang X, Zhu Y, Chen X (2012) Astaxanthin protects against MPP+-induced oxidative stress in PC12 cells via the HO-1/NOX2 axis
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
which is based primarily on data from the SURMOUNT-1 and SURMOUNT-2 studies
Mosenzon O, Blicher TM, Rosenlund S, Eriksson JW, Heller S, Hels OH, Pratley R, Sathyapalan T, Desouza C, Abramof R
Its not a question of six months or two months or anything like that
you're choosing one that's recognized for its high standards and results