Most manufacturers recommend refrigeration at 2-8C even for unopened vials, though some formulations remain stable at room temperature for short periods

Enhances the elasticity and radiance of the skin Reduces hair loss and strengthens the resilience of hair Strengthens the structure and reduces brittleness of nails Fights oxidative stress , helping to delay cellular aging Active ingredients Vitamin A, biotin, and zinc: Contribute to maintaining skin health and enhancing its natural radiance * Zinc and selenium: Support nail health, enhancing their strength and resilience * Biotin, zinc, and selenium: Promote hair health by reducing hair loss and increasing resilience * Vitamins A, C, E, zinc, and selenium: Provide strong antioxidant action , protecting cells from oxidative stress that accelerates the process of aging * Collagen: Strengthens the structure of the skin, offering elasticity and firmness * Evening primrose oil: Supports skin health by moisturizing and reducing inflammation ** *The above are official health claims from the European Food Safety Authority (EFSA)

Dermatological side effects include rash on the skin, itching, hives, skin redness, blisters, pale skin, peeling and swelling with or without fever
(347) reported that combinations of polyphenols and micronutrients (A5+) exert antiviral effects against influenza A and SARS-CoV-2