The combination you listed comprises a multiple vitamin supplement with the following components and their roles:

Vitamin A (as palmitate) 10,000 IU is essential for maintaining healthy vision, immune function, and epithelial tissue integrity.

Cholecalciferol (Vitamin D3) 1,000 IU supports calcium absorption for bone health and immune system function.

Vitamin E (alpha-Tocopherol Acetate) 5mg acts as a potent antioxidant protecting cells from oxidative damage.

Thiamine Hydrochloride (Vitamin B1) 5mg supports carbohydrate metabolism and nerve function.

Pyridoxine Hydrochloride (Vitamin B6) 15mg is vital for amino acid metabolism and neurotransmitter synthesis.

Riboflavin Sodium Phosphate (Vitamin B2) 14mg aids energy production and maintaining healthy skin and eyes.

Ascorbic Acid (Vitamin C) 500 mcg is important for collagen synthesis, antioxidant protection, and immune support.

Nicotinamide (Vitamin B3) 100mg helps in energy metabolism and maintaining healthy skin and nerves.

D-Panthenol (provitamin B5) 25mg supports skin health and aids in wound healing.

This combination is designed to provide broad-spectrum vitamin supplementation to support overall health, immune function, energy metabolism, antioxidant protection, and skin integrity. It may be used in conditions of nutritional deficiency or increased vitamin need. Consultation with a healthcare professional is advised to confirm suitability based on individual health status and to avoid overdose risks.