Healthy skin, hair and nails result from a variety of biological factors, including balanced nutrition and a healthy lifestyle. Collagen, the body’s main structural protein, makes up 70% of the skin and is vital in helping to maintain the skin’s firmness, suppleness and elasticity, as well as the constant renewal of skin cells. Research has shown collagen production begins to decrease around the age of 18 and continues to decline at a rate of about 1% per year after age 40. After menopause, skin thickness may decrease at a rate of about 1.13% annually. Vitamin C supports optimal and efficient manufacturing of collagen, particularly during years of decreased collagen production. Green Tea Leaves extract, Royal Jelly, and Inositol provides a source of calming effects at night for the making of key nutrients in your body during sleep to obtain an integral nutrient in healthy skin, nails, and hair which plays a key role in collagen regeneration. Together with calcium, magnesium, chromium, and guarana seed extract which promote a healthy balance of hormones for optimal hair thickness and skin health. Biotin and vitamin A, DrJsNatural Essential Hair, Nails, & Skin Vitamin provides a complete spectrum of support for healthy skin, hair and nails.