Our Spring Valley Extra Strength Biotin plus Keratin Tablets 10 000 mcg is a dietary supplement formulated to support hair skin and nails health.* Biotin is a B-vitamin that may help support healthy energy metabolism and the combination of biotin and keratin may support healthy hair skin and nails.* These tablets are free of gluten lactose synthetic dyes and artificial flavors. The suggested adult dosage is one tablet per day with food. You can rest assured that Spring Valley Extra Strength Biotin plus Keratin Tablets Dietary Supplement 10 000 mcg 60 Count is produced with strict quality guidelines and is backed by our quality guarantee. Spring Valley understands living a healthy balanced lifestyle is the key to being your best self. With an affordable range of products inspired by nature Spring Valley supports your and your family s health and holistic well-being.