Benefits and effects: A 40-year study by American scientists found that taking a daily dose of vitamin D can reduce the risk of breast, colon and ovarian cancer in half. In recent years, there has been increasing evidence that a lack of vitamin D can be extremely harmful to the body. It is believed that the development of diseases such as heart disease, lung disease, cancer, diabetes, hypertension, schizophrenia and multiple sclerosis are closely related to lack of vitamin D. The role of vitamin D cannot be underestimated. Rickets and osteoporosis: Vitamin D can strengthen bones and prevent rickets in children and osteoporosis in the elderly. Vitamin D may reduce the risk of Alzheimer's disease in women Prevent tooth decay: Vitamin D can effectively prevent tooth decay. Vitamin D supplementation can reduce the risk of diabetes in children.
Vitamin D deficiency can lead to rickets in children and rickets in adults. Symptoms include bone and joint pain, muscle atrophy, insomnia, nervousness, and dysentery and diarrhea.
The main toxic side effect caused by vitamin overdose is hypercalcemia. Early signs include dysentery or constipation, headache, loss of appetite, dizziness, difficulty walking, muscle and bone pain, and irregular heartbeat, etc. . Late symptoms include itching, decreased kidney-shaped vein function, osteoporosis, weight loss, and petrification of muscles and soft tissues.
Supplement: During outdoor activities, as long as the human body receives enough sunlight, the body can synthesize enough vitamin D; except for fortified foods, the vitamin D content in natural foods is usually low, and animal foods are non-fortified foods. The main sources of natural vitamin D are relatively high in fatty sea fish and fish eggs, animal livers, egg yolks, cream and cheese, while lean meats, milk and nuts contain trace amounts of vitamin D, while vegetables, grains and Its products and fruits contain small amounts of vitamin D or almost no vitamin D activity.
Vitamin D foods: mainly marine fish, animal liver, egg yolks and lean meat. In addition, foods such as skim milk, cod liver oil, cheese, nuts and seafood are also rich in vitamin D. Plant foods contain almost no vitamin D, and vitamin D mainly comes from animal foods. The foods richest in vitamin D3 are cod liver oil, animal liver and egg yolks. Milk and other foods contain less vitamin D3. Vitamin D2 mainly comes from plant foods.
Preparations for supplementing vitamin D include: Verde pellets, Yikesin, and Betelin