Vitamins are one of the seven nutrients necessary for the body and are a type of micronutrients. They are indispensable nutrients for maintaining life, ensuring health, promoting growth, enhancing body resistance, and regulating physiological functions. Vitamins are generally divided into two categories, one is fat-soluble vitamins, and the other is water-soluble vitamins.

Vitamin C deficiency is very common in Europe and North America because their eat more meat in daily diet, eat little vegetables. Depending on factors like their diet, age and even socioeconomic status, as many as one in five men and one in nine women don't get enough Vitamin C (L-ascorbic acid). While most people think of vitamin C as just an immune-boosting nutrient, Vitamin C,as an essential antioxidant, benefits all aspects of your health and wellness, including your brain health.