Does taking high dose zinc supplement cause grey hair or premature graying of the hair due to it depleting copper in the body?if so what's the dose of zinc that may cause this and how can you counteract it without stopping supplementation with zinc?

If you are eating a usual mixed diet, there is no need to zinc supplement. For healthy diet: http://www.choosemyplate.gov/., exercise 30 minutes/day, drink enough water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. Get HPV vaccine. Wish you good health! Safe sex: https://www.hopkinsmedicine.org/health/wellness-and-prevention/safer-sex-guidelines