Lack of vitamin C will suffer from diseases: 1, scurvy, more weight loss, limb weakness, debilitation, muscle and joint pain, which will develop into bleeding around the hair follicles, so the lack of vitamin C, it is easy to get the first type of disease is scurvy. 2, gingivitis, you can see the gums bleed, loose swellings, pressure has a lot of bleeding, and finally can lead to the teeth loose and fall off. 3, osteoporosis, because vitamin C deficiency can cause collagen synthesis obstacles, so it can lead to poor formation of bone organic matter and lead to osteoporosis.