2. Whitening skin: Natural vitamin C can inhibit melanin from accumulating on the surface of skin, and it can lighten spots and whiten skin. Natural vitamin C is also an essential nutrient in the formation of collagen in human skin, so people usually add more vitamin C to whiten and lighten spots, nourish skin and make people's skin more elastic.
3. Promote calcium absorption: Vitamin C can also promote the absorption of calcium by the human body, which can promote the synthesis of collagen in the human body, and also enhance the bone density. Those who are calcium deficient or suffer from bone and joint diseases and osteoporosis in life, eat more foods containing natural vitamin C and supplement calcium, which can effectively improve the utilization rate of calcium and make the bad symptoms in the body disappear.
4. Protect the liver: Natural vitamin C has obvious protective effect on human liver, which can improve liver function, prevent toxin accumulation, and also reduce the damage of drugs to the liver. Eating foods containing natural vitamin C at ordinary times can prevent acute and chronic hepatitis and reduce the occurrence of liver diseases such as cirrhosis, fatty liver and liver cancer.