Medically reviewed by Leigh Weddle, PharmD Water-soluble vitamins, like B vitamins and vitamin C, can be taken anytime, with or without food.Fat-soluble vitamins, such as vitamins D, A, E, and K, ...
The prescribing information for sildenafil citrate (VIAGRA, Pfizer, New York, NY, USA) recommends flexible dosing (50 mg initially, adjusted to 100 or 25 mg based on effectiveness and tolerability) in ...