A study by American researchers shows that women who are deficient in vitamin D are prone to obesity. Vitamin D is necessary for the body to make leptin. Leptin is a hormone that controls a person's appetite. It causes a person to feel full after a meal and thus stop eating. If the leptin content in the human body continues to decrease, the appetite will become larger and larger, making obesity more likely.
Main Physiological Functions of Vitamin D》》Excellent recommendations: Why do women’s private parts turn black?
1. Improve the body's absorption of calcium and phosphorus, so that the levels of plasma calcium and plasma phosphorus reach saturation.
2. Promote growth and bone calcification, and promote healthy teeth;
3. Increase the absorption of phosphorus through the intestinal wall and increase the reabsorption of phosphorus through the renal tubules;
4. Maintain normal levels of citrate in the blood;
5. Prevent the loss of amino acids through the kidneys.
Sources of vitamin D: A few animal foods contain vitamin D, such as saltwater fish, egg . Milk and milk products also contain vitamin D. Butter, cod liver oil, and vegetable oils are also rich in vitamin D.

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