Product C is another popular choice, which stands out due to its dual-action approach. It combines an oral supplement to boost the body’s natural antifungal defenses with a topical solution to apply directly to the toenails. Ingredients in the oral supplement include zinc, probiotics, and Vitamin C, which strengthen the immune system, while the topical solution contains eucalyptus oil and jojoba oil. Reviews often mention the convenience of tackling the fungus from both inside and outside and the improvements in nail health and coloration. Product C is a great option for those who prefer a comprehensive approach to health and wellness, alongside treating toenail fungus.