- Poor nutrition: too much sugar and transfats from fast food and too few vitamins and antioxidants
- Exposure to toxins and hormones: in drinking water and heavily processed meats, even soy1
- Lifestyle choices: smoking, alcohol and stress, both at home and work.
Research studies conducted since the mid 1990s have credibly shown that about a dozen common micro-nutrients can improve the quality of sperm dramatically.
These nutrients include vitamins C and D, amino acids like L-carnitine and L-arginine and trace elements like zinc and selenium.
When dosed correctly, they can do so effectively, naturally and without side effects2.