"Supercritically extracted from pristine deep ocean waters, with the highest concentration, ""50%"", of the indispensable cellular nutrient DHA, an Omega 3 fatty acid. The potency of this extract is unsurpassed, and exceeds all international standards for product purity. DHA is a fundamental building block of cellular membranes, most notably neuronal membranes in the brain.* This product also contains a broad spectrum of other fundamental fatty acids, including EPA."