Modula contains 5 mg tadalafil. You can take it daily at the same time every day or as needed, but not more than once in 24 hours. Take one pill with a full glass of water at least an hour before sexual intercourse. You can take the medication with or without food, but it may take a bit longer to act if you take it with a heavy meal. Avoid alcohol and grapefruits or grapefruit juice while taking this ED medicine.