Vitamins and minerals are micronutrients required by the body to carry out a range of normal functions. However, these micronutrients are not produced in our

Vitamins are organic molecules (or a set of closely related molecules called vitamers) that are essential to an organism in small quantities for proper metabolic function. These essential …

Learn more about Vitamin A uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Vitamin A.

Jul 17, 2024 · Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs; Each has specific jobs.

Nov 22, 2025 · Vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. Vitamins generally cannot be …

Shop high-quality vitamins, supplements, and health products at The Vitamin Shoppe to support your wellness journey.

Vitamin A is important for eyesight and immunity. Learn how much you need, good sources, deficiency symptoms, and health effects here.

El organismo es especialmente sensible al exceso de vitamina A de fuentes animales (retinol) y a demasiada vitamina D. Una alimentación equilibrada suele proporcionar suficientes vitaminas …

Vitamin A is a generic term that encompasses a number of related compounds (Figure 1). Retinol and retinyl esters are often referred to as preformed vitamin A. Retinol can be converted by …

Vitamin A Other name (s): b-carotene, beta-carotene, retinol, vitamin A-1 General description Vitamin A is also called retinol. It was the first substance isolated in the group called vitamins. …