Selenium naturel 200 µg + zinc - for selenium deficiency symptoms In cases of selenium deficiency, such as degenerative inflammatory joint diseases, muscle weakness, and fertility disorders due to impaired sperm count. Selenium can contribute to normal sperm production, and zinc can help with normal DNA synthesis, normal reproduction, and maintaining normal testosterone levels in the blood. Dietary food for special medical purposes (balanced diet) for dietary management. Selenium natural 200 µg + Zinc is not a complete food and therefore not a substitute for a balanced and varied diet. Use only under medical supervision.