Vitamin A

Vitamin A (retinol) is essential for building connective tissue, protecting skin cells from aging, and supporting skin immune function. Retinol is critical for eye health, immune system performance, and skin integrity including mucosal linings. Retinol enables vision in low-light conditions; deficiency causes night blindness. Vitamin A helps maintain the health of the macula, supporting sharp, detailed central vision. Vitamin A is fundamental to maintaining skin integrity and is considered essential for resolving eczema. The primary protective function of carotenoids is preventing oxidative damage in the body. Vitamin A is critical for antiviral immune function, fertility in men and women, fetal development, and iodine absorption into thyroid tissue. Lutein and zeaxanthin from egg yolks help prevent macular degeneration. Vitamin A is essential for corneal health, mucosal integrity throughout the sinuses, and multiple immune pathways. Vitamin A supports skin cell turnover and barrier function. Cod liver oil is a highly recommended source of active vitamin A and is also rich in vitamin D. Retinol has potent anti-inflammatory effects. Egg yolk carotenoids reduce damage from blue ligh…