There are some natural dietary supplements that help building immunity against nail fungal infection. These treatments may vary from pure natural to a combination of natural and artificial antifungal ingredients. With the help of these, the immune system gets better and targets the source of infection. The natural sources of these vitamins include:

• Tea Tree Oil
• Grapefruit Seed Extract
• Probiotics such as lactobacilli
• Vitamin A
• Magnesium, Calcium

Use of these elements in diet can increase their presence in body and hence strengthens the immune system, helping you to prevent nails fungus infection.