Vitamin B17 and Cancer Research

Is Vitamin B17 Legal in the United States?

Originally, amygdalin (also called Purasin, Nitriloside, and B17) was a very popular cancer treatment in the United States. This alternative treatment was supported by many case studies that described the anti-tumor effects of amygdalin.

For example, Benzaldehyde, which is one of the laetrile’s breakdown products, was tested for anticancer activity in patients with advanced cancer for whom standard therapy had failed.  The research findings (published by the National Cancer Institute)  were extremely positive, resulting in an overall objective response rate for 55% of patients (in either complete or partial remission). An additional 37% of patients remained stable, and only 7% of patients showed a progression of the disease.
It is also important to note that no toxicity was associated with the treatment whatsoever, and it was reported that the responses persisted as long as treatment was continued.

Despite these findings, amygdalin was banned for use in many American states in the 1980s and was deemed ineffective and potentially poisonous. 

Vitamin B17 and Cancer Treatment:  Recent Supporting Evidence 

Even though the ban on the usage of Vitamin b17 has been in effect for many years, it has recently resurfaced, coming to the attention of both scientists and patients. The results of recent in-vitro studies are promising, and positive results are beginning to pile up.

The following examples were all published recently (2019):

• “Our findings suggest that amygdalin might have an anti-cancer effect due to the various gene expressions in A549, MCF7, and AGS human cancer cells, showing its potential as a natural therapeutic anticancer drug.”

Breast Cancer and Amygdalin: 

• • “The results suggest that amygdalin may be a valuable candidate for the treatment of breast cancer, especially in HER2 positive cells.”
  • “These data support a mechanism of amygdalin antitumor action against breast cancer cells.”

Prostate Cancer and Amygdalin: 

• • “Exposing certain prostate cancer cells to amygdalin might inhibit metastatic spread promoted by this particular integrin.”

Oral Cancer and Amygdalin:

• • “Extracts of amygdalin from almonds and apricots were effective as an antiproliferative agent which caused apoptosis in oral cancer cell line.”

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Vitamin B17 Side Effects

Over the years, several reports referred to the possible toxic side effects that vitamin b17 could allegedly cause. Toxicity was only noticed when b17 was administered orally. Some recorded symptoms, such as dizziness, headache, nausea, and vomiting, are similar to that of cyanide poisoning.

The route of administration of vitamin b17 appears to be associated with toxic side effects. When administered intravenously, vitamin b17 does not show toxicity: “There is also no evidence that purified amygdalin, administered in “therapeutic” dosage, causes toxicity.” (2016).

Other Reported Vitamin B17 Benefits

• Serves as an antioxidant, working alongside vitamins A, C, and E to dispose of toxic cells.
• Alleviates pain caused by arthritis and other kinds of inflammatory diseases.
• Improves the immune system due to its ability to boost the body’s level of white blood cells.
• Reduces high blood pressure, thus preventing hypertension.

What Foods Are High in Vitamin B17?

Some vitamin B17 foods you can add to your diet:

• Apricot kernels or other pits of fruits such as pears, apples, cherries, and plums.
•  Raw nuts – specifically, bitter almonds.
• Seeds of buckwheat, and flaxseeds.
• Vegetables such as lima beans, carrots, and bean sprouts.