Use the product or service for 30 consecutive times, daily use 30ml of Duo Vital solution, utilize the item immediately after consuming for the ideal effect.Your issue has become acquired and can be answered before long. Please never post the exact same problem yet again.DuoVital là s? k?t h?p c?a các thành ph?n t?t cho s?c kh?e x??ng kh?p, m?i