Food supplement Contributes to the maintenance of hair and nails under normal conditions. Kalogen is a food supplement formulated with the essential vitamins and minerals to promote the strengthening of hair and nails, all of them at 100% of the recommended daily amounts. It also provides amino acids involved in the formation of keratin, the main protein in hair and nails, and plant extracts such as Bamboo (70% silicon) or Grape (95% proanthocyanidins). Recommended dose: 1 capsule a day, preferably with breakfast.