2.3. Randomization and Study Intervention
sarcopenia
SARCOPENIA
After obtaining informed consent, eligible subjects were randomly assigned to one of the following five groups at approximately a 1:1:1:1:1 ratio: 50 mg ALA phosphate and 29 mg sodium ferrous citrate (SFC) food intake group (ALA 50/SFC 29 group), 100 mg ALA phosphate and 29 mg SFC food intake group (ALA 100/SFC 29 group), 150 mg ALA phosphate and 29 mg SFC food intake group (ALA 150/SFC 29 group), 100 mg ALA phosphate and 57 mg SFC food intake group (ALA 100/SFC 57 group), and 0 mg ALA phosphate and 29 mg SFC food intake group (placebo group). All study foods included 50 mg zinc yeast (5 mg zinc), since ALA was considered to improve sarcopenia through conjugation of eight ALA molecules and ferrous into heme [