Yes, but remember that grapefruit juice is loaded with furocoumarins, which tend to prevent drugs and hormones from clearing out of the system. The main concern would be with the fat-soluble vitamins, especially vit. read more
Some vitamins are inactivated by the acid in grapefruit juice. If safe water is an issue, boil filtered water for 15' then allow to cool and take the vitamins with it. Ideally we get sufficient vitamins from the food we eat. read more
Of course. Grapefruit and its juice reacts with many prescription medication, but not vitamins. read more
Crestor (rosuvastatin) are considered to be safe to consume with grapefruit and its juice. Similarly, the blood pressure medications: Norvasc (amlodipine) Calan/Isoptin (Verapamil) Cardizem (diltiazem) are considered to be safe to consume with grapefruit and its juice. read more