Immunity 10 , 421429 (1999)
The 2.5 mg starting dose is not meant to be therapeutic on its own
503A pharmacies operate under state pharmacy board regulation and direct pharmacist oversight for individualized patient prescriptions, unlike 503B facilities that prepare bulk compounds
(2.1,5.2) (5) Masking of Folate Deficiency with Vitamin B12 Use: Doses of vitamin B12 exceeding 10 mcg daily may produce hematologic response in patients with folate deficient megaloblastic anemia and may therefore mask a previously unrecognized folate deficiency
10.1111/j.1471-4159.2010.07164.x 76 HojoT.SiemieniuchM
In addition, the L-carnitine-combination supplement was associated with a 1.0 kg increase in total lean muscle mass, a 0.35 kg increase in leg lean muscle mass, and a 1.0 kg increase in lower leg strength, and these were statistically significant compared with placebo