If you use it for nutrition please buy only organic Gse, because otherwise it might contain a dangerous chemical stuff to increase the antimicrobic effect.
Products may contain benzethonium chloride and cause skin irritation and other symptoms
For some time, products are made with grapefruit seed extracts which antimicrobial properties are attributed to various applications in commerce. They are offered , among others, as a dietary supplement and cosmetic products, apparently especially in natural product stores, food stores and pharmacies and through mail order . In brochures, Internet information and various publications preparations are advertised with grapefruit seed extract as a natural remedy for internal and external application with multiple effects against various ailments. Corresponding products are not approved as medicines in Germany .
BgVV was made aware that benzethonium chloride was found in levels of sometimes more than 10 % in some products . The Institute points out that benzethonium chloride is not approved as a food additive and thus dietary supplements should not be added. Foodstuffs for normal consumption , but also dietary supplements that contain benzethonium chloride, they may not be placed on the market . In cosmetic compositions of the material to a level of 0.1% is allowed. However, this is only for cosmetic products that are rinsed out again .
Benzethonium chloride is a substance with antimicrobial properties , from which it can be assumed that it does not occur naturally in grapefruit seeds and was probably added illegally . It is suspected that the mentioned in the product effects are at least partly due to this substance .
The taking of such products , if appropriate, associated possible inclusion amount of benzethonium chloride can not be regarded as harmless. When applied externally, the intake may be due to benzethonium chloride in an area where this material has resulted in human clinical trials to skin irritation. The BgVV individual cases of adverse effects have been reported following external and internal application of grapefruit seed extracts on the Drug Commission of the German Pharmacists already . Therefore, must be , in principle, are advised not to use the grapefruit seed extracts containing benzethonium chloride in these high concentrations.
At the request of BgVV the competent monitoring authorities of the countries have been informed. Some manufacturers or distributors for withdrawing products from the market in the meantime . How BgVV but learn from individual monitoring points , grapefruit seed extract products were unacceptable levels of benzethonium chloride found in the trade of random investigations continue . The Institute takes this as an opportunity to draw attention to potential health hazards . To eyes, skin and mucous membranes incompatibilities may occur with the aforementioned high levels of benzethonium chloride in particular in an application of the undiluted extracts . Since consumers can not tell whether a product contains benzethonium chloride or not, BgVV advises principle of caution when consuming or using such products .