Dr. Sears states that the purity of the fish oil the single most important factor to consider when taking it as a supplement. To manufacture pharmaceutical-grade fish oil requires extensive purification. In fact, it takes 100 gallons of health-food grade fish oil to make one gallon of pharmaceutical-grade fish oil. Furthermore, Only pharmaceutical-grade material makes high-dose supplementation possible due to lack of toxins and gastric distress common with other fish oils at recommended dose levels.

Only pharmaceutical-grade material makes high-dose supplementation possible due to lack of toxins and gastric distress common with other fish oils at recommended dose levels. Dr Sears holds thirteen U.S. patents in this field of medicine, and is the author of the New York Times bestseller "The Zone" and a number of other books. His Zone diet is frequently used by celebrities and athletes, among others. His latest book, entitled "the Omega rx Zone", along with his patented fish oil diet bars and pharmaceutical grade fish oil supplements, can be found at http://www.trilogyonline.com/aaronw The fish oil faq there has a substantial amount of pertinent information.

About the Author

Aaron Wilmot is an author, editor, researcher and webmaster in the fields of human health and pet nutrition. He is also affiliated with the Healthy Pet Network.