Here are some vitamins and minerals that are essential for promoting healthy hair growth: Biotin: A B-complex vitamin that helps to build the structure of hair, skin, and nails. Vitamin C: An antioxidant that helps to produce collagen, a protein that gives hair its strength and structure. Vitamin D: Helps to regulate hair growth by influencing the growth and maintenance of hair follicles. Vitamin E: An antioxidant that helps to protect hair from damage and promote healthy growth. Iron: Essential for producing hemoglobin, a protein that carries oxygen to the hair follicles. Zinc: Helps to regulate the hormones that impact hair growth and is essential for healthy hair. Omega-3 fatty acids: Found in foods like fatty fish, flaxseeds, and walnuts, they help to improve hair health by reducing inflammation and promoting blood flow to the scalp. Silica: A mineral that helps to improve the strength and elasticity of hair.