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Fiber and Prostate Health  


Relating to diet, fibers are those components that are found in plants’ cell walls. Normally, every fruit and vegetable contains fiber in different proportion, depending on food’s type and age. Vegetables that are reaped at primary growth stages tend to contain more soluble fiber and less insoluble fiber than those that are reaped at later growth stage. Dietary fiber renders comprehensive benefits to health. As it is constituted of cell wall of plants, it cannot be broken down by digestive enzymes. Since it cannot be digested by our stomach, it scraps off the intestines of undigested matter and improves bowel movement.  


Dietary fiber has proven beneficial for prostate cancer patients in several ways:


  • It binds several harmful substances, like carcinogens, and eliminates them via intestinal tract. This is really helpful as a contaminated and infected intestine is a fertile ground for prostate cancer. 
  • Soluble fiber inhibits the propagation of testosterone that is known to be an instigator of prostate infections and tumors. 
  • Insoluble fiber is also of great help as it brings down the levels of testosterone by increased hormonal excretion. Intake of high-fiber diet also results in lowering of PSA level without any medicinal support.  
  • Dietary fiber does not work in isolation to prevent prostate cancer. It gets associated with phytochemicals to build defense against prostatic malignancy.  
  • Fiber intake builds up stool bulk thus preventing the exposure of the prostate’s epithelial lining to impending carcinogens. 
  • It binds toxic metabolites and flushes them out of body system 
  • Fiber-rich diet lowers fecal pH; prevents the rendition of bile acids into secondary acids that are likely to become carcinogens. 

Suggested Intake of Fiber for Prostate Cancer Patients


  • Patients of prostate cancer must consume 25 to 35 grams of fiber per day through relevant sources. This would inhibit the further growth of malignancy and also prevent its proliferation to other organs. 
  • It is always better to intake fiber through whole fresh vegetables and fruits, beans, whole grain cereals and breads. This would ensure better cleaning of intestine, consequently keeping the prostate in good health.  
  • The sources of fiber should be natural and organic. Processed supplements and inorganic sources should be avoided.  
  • Prostate cancer patients as well as healthy individuals should consume both soluble and insoluble fiber. 
  • Intake of fiber should be increased gradually lest there might be minor digestive ailments like diarrhea, bloating or cramps in stomach.  

Fiber-rich Diet


A fiber-rich and low-fat diet is beneficial in preventing as well as inhibiting prostate cancer. According to cancer research and case studies have proven that those who eat adequate fiber-rich diet develop better immunity against prostate cancer and other ailments.  

Various contents of d ietary fiber like oligosaccharides, polysaccharides and lignins are promoters of healthy bowel movement, modulation of glucose in blood and lower levels of blood cholesterol. All these factors consequently lead towards comprehensive health of prostate. Fibrous food de-metabolizes the testosterone, thus disabling it to cause prostate malignancy.  


To conclude, let us not expect fiber to be a self-sufficient preventive or therapeutic measure of prostate cancer. However, it synergizes with other relevant factors to show its efficacy.