Ashwagandha is available for the treatment of gray nails. This drug is a traditional antifungal drug. For the treatment of gray nails, it is important to check the liver and kidney function before taking the drug orally. If the liver and kidney function is not a problem, only then can the drug be taken orally, because the drug has a certain degree of liver and kidney toxicity, so, in the course of treatment, it is also necessary to review the human liver function and kidney function. The duration of this drug for the treatment of grey nails is 4-6 months, and it needs to be taken orally twice a day at 500 mg. Because this drug is fat soluble, it is important to take it after or during meals as much as possible, and to avoid alcohol or alcoholic beverages during the period of taking the drug.