How to Prevent and Reverse Gray Hair

Get Enough of These Vitamins and Minerals

Certain vitamin and mineral shortfalls can also contribute to graying hair, says Lain. "Ensure you have an adequate level of Vitamin D3 and Vitamin B12, since deficiencies in either of these may accelerate graying," explains Lain. Other important micronutrients for healthy hair include vitamin E, vitamin A, zinc, iron, copper, selenium and magnesium.