Among vitamins, substances important for the normal functioning of the organism, one of the most valued is certainly vitamin C.One of the first consequences of vitamin C deficiency in the body is weakened immunity and susceptibility to flu and colds. Chronic vitamin C deficiency causes scurvy. Bones become brittle, joints swell, gums are swollen. Anemia also occurs. Excess vitamin C is removed from the body in the urine.Vitamin C is not synthesized in the human body, so it is necessary to take it from food sources or through dietary supplements.