The second group is people with obesity with a BMI greater than 30 and uncontrolled hypertension, kidney disease or heart failure
Chronic Conditions: Individuals with chronic conditions that affect B12 absorption, such as pernicious anemia or gastrointestinal disorders, may need regular injections throughout their lives
second link Butler J, Shah SJ, Petrie MC, Borlaug BA, Abildstrm SZ, Davies MJ, Hovingh GK, Kitzman DW, Mller DV, Verma S, Einfeldt MN, Lindegaard ML, Rasmussen S, Abhayaratna W, Ahmed FZ, Ben-Gal T, Chopra V, Ezekowitz JA, Fu M, Ito H, Lelonek M, Melenovsk V, Merkely B, Nez J, Perna E, Schou M, Senni M, Sharma K, van der Meer P, Von Lewinski D, Wolf D, Kosiborod MN
Gastrointestinal Issues (Most Common) 70% users mild gastrointestinal symptoms initial weeks
Contribution of MSMB promoter region gene polymorphism to early-onset prostate cancer risk in Mexican males
NAD is a coenzyme involved in various cellular processes, including energy production and DNA repair