Metanail Serum Pro is a healthy nail supplement that is formulated using some of the best natural ingredients that help to take care of the health of your feet and nails. The makers of MetaNail Serum Pro anti-fungal formula state that using the supplement accordingly will help to avoid conditions that affect the beauty of your feet and nails like fungal infections and other cases. This serum is made using ingredients that are said to be effective and are 100% natural in origin.