What Is Metanail Serum Pro Complex? If you want healthier, stronger nails, go no further than Metanail Serum Pro, a premium nail care solution developed to treat common nail issues. Nail concerns like weakness, brittleness, sluggish nail development, and damage can all be addressed with this serum thanks to its carefully curated blend of nourishing components. Metanail Serum Pro was developed to help people who are experiencing nail issues and are in search of a trustworthy product to improve the health and appearance of their nails. The serum helps the nails and cuticles grow by supplying them with the nutrients, vitamins, and minerals they need. These nutrients reach the nail bed where they promote new nail cell growth and regeneration. Metanail Serum Pro Complex works to prevent nail breakage and brittleness by fortifying the nails from the inside out.