Beetroot contains niacin, folate, riboflavin, vitamin B6, thiamine, zinc, magnesium, potassium, etc. Beetroot helps in converting nitrite to nitric oxide, which is an important vasodilator that has been shown to increase blood circulation throughout the body, including the uterus. A glass of beetroot juice can help prevent menstrual cramps and can help fight period-induced fatigue. It can help regain your vigour as beetroot has a high content of iron that aids in improving the blood count and blood flow.