Vilitra 20 (vardenafil 20 mg) can be taken with common vitamins (such as vitamin C, vitamin D, B-complex, or multivitamins) because there are no well-known major interactions between vardenafil and ordinary vitamin supplements. However, a few cautions: Check the ingredients of your supplement. Some “sexual health,” bodybuilding, or herbal supplements may contain substances that can affect Vilitra 20 pressure or interact with ED medicines. Avoid combining Vilitra 20 with nitrate medicines (used for chest pain) because this can cause a dangerous drop in blood pressure. Use caution if you take alpha-blockers, certain blood pressure medicines, or heart medicines—ask a doctor or pharmacist first. Taking it with a very heavy/fatty meal may delay how quickly it works. If you tell me which vitamins or supplements you take (name and dose), I can check for specific concerns.