Zeta Clear - Fight Unsightly Nail Fungus, ZetaClear ingredients have a long history as anti-fungal drug and prevents the growth and reproduction of fungus cells. ZetaClear uses a natural fungicide and is FDA approved in over-the-counter medications for fungus disorders and problems. ZetaClear in clinical studies have been shown to be approximately six times more effective as any other anti-fungal product on the market using caprylic acid and is also effective in maintaining a healthy balance.