100 g of chestnuts contain 48% of the daily requirement for this vitamin. In addition to vitamin C, they also contain B vitamins, vitamin A, and a number of minerals: calcium, copper, iron, magnesium, manganese, phosphorus, potassium, sodium, and zinc.
The content of copper and manganese deserves special attention. 100 g of chestnuts covers about 50% of the daily requirement for copper and about 20% for manganese.
A large amount of antioxidants contained in chestnuts protects the body against free radicals. They also contain a certain amount of lignans (plant compounds resembling estrogen) and aescin - a chemical compound that helps seal blood vessels.