According to the National Cancer Institute, more than 11 million men and women in the United States have had a history of cancer of some form. The overall survival rate, according to the institute, was about 60 percent. Among the causes of cancer are poor diet, lack of exercise and obesity. Poor diet can be changed and augmented by using the best anti-cancer supplements. Prior to starting any supplements or making dietary changes, it is important to consult your physician first.
According to the Linus Pauling Institute, vitamin B12 deficiency may be associated with breast cancer risk. The institute notes that women with low levels of B12 in their blood had double the risk of breast cancer, particularly in postmenopausal women. Vitamin B12 has the largest and most complex chemical structure of all the vitamins and is the vitamin responsible for the release of folate in the body. Folate is required for the synthesis of DNA and vitamin B12 deficiency may lead to high levels of DNA damage, a risk factor for cancer. The current recommended daily allowance for vitamin B12 is 2.4 mcg in both men and women age 19 and older.
Vitamin C is associated with decreased risk of cancer of the mouth, throat, vocal chords, esophagus, stomach, colon and lung. The Linus Pauling Institute notes that adding vitamin C to treat Heliobactor pylori, the pathogen that causes infection of the stomach and increases cancer risk, may reduce the risk of gastric cancer. The recommended dietary allowance of vitamin C is 90 mg in men and 75 mg in women 19 years and older. In smokers, the recommendation is 125 mg and 110 mg, respectively.
Niacin or vitamin B3 is associated with lower risk of mouth, throat and esophageal cancer according to the Linus Pauling Institute. Using 6.2 mg of niacin daily was attributed to a 40 percent decrease in mouth and throat cancers. Niacin is an important catalyst to the formation of nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP) enzymes in the body. More than 200 different enzymes require NAD and NADP as catalysts and for DNA protection. The recommended daily allowance of niacin is 16 mg for men and 14 mg for women age 19 and older.