Vitamins, minerals, and other nutrients p. 6

L-theanine. Promotes relaxation without drowsiness. Deficiency - anxiety, poor concentration, irritability. Used to reduce stress, improve concentration, and sleep.

Collagen. The main protein of connective tissue, it provides elasticity to the skin and joints. In case of deficiency — skin sagging, joint pain, brittleness of nails. It is prescribed to improve the condition of the skin, joints, bones, and in cases of age-related changes.

Coenzyme Q10. Antioxidant, involved in energy production in the mitochondria. Deficiency - fatigue, muscle weakness, heart problems. Used in cardiovascular diseases, chronic fatigue syndrome, and aging.

Vitamin K2 (menaquinone). Calcium transport in the body. Inadequacy leads to atherosclerosis, strokes, osteoporosis.

Vitamin A (retinol). Health of the skin, vision, and immune system. A deficiency can lead to night blindness, dry skin, and reduced immunity.