PREGNENOLONE SULFATE, SODIUM SALT (20,21-13C2, 99%;…

1-METHYLXANTHINE (CHEMICAL PURITY 97%) (1-METHYL,6-…

VITAMIN E (ALPHA-TOCOPHEROL) (TRIMETHYLPHENYL-13C9,…

ISOVALERIC ACID (2,3,4-13C3, 3-METHYL-13C, 99%)…

2-METHYLBUTYRIC ACID (METHYL-13C, 99%)…

DL-2-HYDROXYGLUTARIC ACID, DISODIUM SALT (13C5, 99%…

L-ORNITHINE:HCL (1,2-13C2, 99%)…

STEARIC ACID, SODIUM SALT (U-13C18, 98%) 97% CHEMIC…

HYDROCINNAMIC ACID (1-13C, 99%)…

CORTISOL (2,3,4-13C3, 99%) 100 UG/ML IN METHANOL…