Grapefruit Seed extract, scientific references

Cerda JJ, Robbins FL, Burgin CW, et al. The effects of grapefruit pectin on patients at risk for coronary heart disease without altering diet or lifestyle. Clin Cardiol 1988; 11(9): 589-94.

Hakim IA, Harris RB, Ritenbaugh C. Citrus peel use is associated with reduced risk of squamous cell carcinoma of the skin. Nutr Cancer 2000; 37(2): 161-8.

Heggers JP, Cottingham J, Gusman J, et al. The effectiveness of processed grapefruit-seed extract as an antibacterial agent: II. Mechanism of action and in vitro toxicity. J Altern Complement Med 2002; 8(3): 333-40.

So FV, Guthrie N, Chambers AF, et al. Inhibition of human breast cancer cell proliferation and delay of mammary tumorigenesis by flavonoids and citrus juices. Nutr Cancer 1996; 26(2): 167-81.

Sun J, Chu YF, Wu X, Liu RH. Antioxidant and antiproliferative activities of common fruits. J Agric Food Chem 2002; 50(25): 7449-54.