Healthy subjects were randomly allocated to receive a single dose of either one 5 milgram (mg) nifedipine capsule or one 5 milgram (mg) nifedipine capsule plus one 600 milgram (mg) red yeast rice capsule; after 7-day washout period, they received a single dose of the alternative drug. The subjects were fasted at least 10 hour before dosing. The investigational products were administered with 240 milliliter (mL) of water with the subject in an upright position. The blood samples were collected at prior to the drug administration (T0), and 0.167, 0.333, 0.500, 0.750, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 14, 16 and 24 hours after dosing.