Proviten DX Multivitamin [water & fat soluble] + 5% Dextrose Ascorbic Acid
ModerateMultivitamin [water & fat soluble] + 5% Dextrose and ascorbic acid don't interact with each other here. The point is that ascorbic acid, which this multivitamin contains along with riboflavin, can inactivate bleomycin.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.