It is a tuber whose dried roots are rich in vitamins (A, B1, B2, B3, B6, B12, C, E, D3 and P), as well as minerals (Sodium, Calcium, Phosphorus, Magnesium and Potassium), as macro-minerals (Copper, Zinc, Iron, Magnesium, Selenium, Boron, Silicon, Aluminum and Bismuth). Instructions for use: Men: Take 2 to 4 capsules a day with food, avoid at night.\ Women: Take 1 to 3 capsules a day with food, avoid at night.