Vitamin C : essential water-soluble vitamin that contributes to the normal functioning of the immune system, with a high intake per dose for an enhanced defensive response.

Vitamin D : fat-soluble vitamin that also contributes to the normal functioning of the immune system and complements vitamin C in enhancing natural defenses.

Zinc : key trace element contributing to the normal functioning of the immune system, often valued in health products immunity for its synergistic micronutritional function.

This combination of active ingredients gives the formula a structuring functional proposal on natural defenses, relevant for powdered supplements to be mixed with water and intended for health and well-being ranges.