It provides defense of mucous membranes integrity, synergy with vitamins C and E, good night vision, optimal skin and eye health, and cell differentiation. Usage: 1-2 capsules with main meals. Warnings: Should not be taken by heavy smokers. Storage: Store in a cool, dry place, protected from light, and out of reach of young children. Ingredients: Per 1 capsule: Vitamin A / Retinol (2435 μg), Alpha carotene (525 μg), Cryptoxanthin (150 μg), Lutein (75 μg), Zeaxanthin (75 μg), Beta-carotene (14.2 mg).