Specifically, the methyl donor deficiency leads to imbalanced methylation/acetylation of PGC-1 and decreased expression of PPAR and ERR, further causing detrimental effects on FAO and energy metabolism
Others who have difficulty absorbing nutrients may also have low B12 levels such as individuals who have had gastric bypass surgery or who have certain digestive disorders
The cause of such failures frequently has been attributed to the development of drug resistance
Approximately one-third of collagen is glycine, so adequate glycine may support collagen synthesis and may aid joint, tendon, and ligament repair or maintenance
Carter BZ, PhD, Mak PY, Tao W, Ostermann LB, BS, Boettcher S, Nishida Y, MD, PhD, Ayoub E, PhD, Ruvolo V, MS, Jabbour EJ, MD, Hughes P, Morrow PK, Andreeff M , MD, PhD