MCP, Detox & Metastasis

Despite billions of research dollars spent every year, cancer remains the second leading killer of Americans. One reason cancer is so lethal is its tendency to metastasize to essential organs throughout the body.

Certain malignancies (like brain tumors) kill by infiltrating into healthy tissues, but the vast majority of cancer deaths occur when tumor cells enter the blood and lymphatic systems and travel to the liver, lungs, bones, and other distant parts of the body.

Unfortunately, there have been few effective approaches to preventing cancer metastasis. The encouraging news is that a specialized fruit polysaccharide called modified citrus pectin has demonstrated unique properties in blocking cancer cell aggregation, adhesion, and metastasis.1

Clinical research shows that modified citrus pectin helps limit disease progression in men with advanced prostate cancer.2 In addition to its cancer-inhibiting effects, modified citrus pectin shows promise in chelating toxic heavy metals that can be so damaging to overall health.3

Modified citrus pectin is an intriguing substance that continues to be studied in an effort to determine its full therapeutic potential. It appears to be a promising agent that can keep some advanced cancers in check by limiting the growth of new tumors, and by affecting the primary cancer as well. MCP also appears to show some promise as a natural, non-toxic chelating agent that binds to heavy metals like cadmium, lead, mercury, and arsenic and helps the body excrete them in the urine.

Not all citrus pectin products are alike. Be sure to utilize modified citrus pectin (MCP) containing short polysaccharide chains such as the preparations utilized in the clinical studies discussed in this article. Scientists continue to refine MCP preparations, which may also result in greater efficacy.


1. No authors listed. Modified citrus pectin-monograph. Altern Med Rev. 2000 Dec;5(6):573-5.

2. Azemar M, Hildenbrand B, Haering B, Heim ME, Unger C. Clinical benefit in patients with advanced solid tumors treated with modified citrus pectin: a prospective pilot study. Clin Med Oncol. 2007;1:73–80.

3. Eliaz I, Hotchkiss AT, Fishman ML, Rode D. The effect of modified citrus pectin on urinary excretion of toxic elements. Phytother Res. 2006 Oct;20(10):859-64.

4. Kushi LH, Byers T, Doyle C, et al. American Cancer Society Guidelines on Nutrition and Physical Activity for cancer prevention: reducing the risk of cancer with healthy food choices and physical activity. CA Cancer J Clin. 2006 Sep;56(5):254-81.

5. Available at:

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