Question: how many times a day should you take black seed oil?
Answer: A single dose of 50-100 mg/kg has also been used. For diabetes: 1 gram of black seed powder has been used twice daily for up to 12 months. 450 mg of black seed oil taken three times daily has also been used for 12 weeks. For high blood pressure: 0.5-2 grams of black seed powder has been taken daily for up to 12 weeks.