PURCHASE, N.Y., December 13, 2007 – Nutrition 21, Inc. (NASDAQ: NXXI), a leading developer and marketer of chromium-based and omega-3 fish oil-based nutritional supplements, today announced the results of a clinical study that showed daily supplementation with 1000 mcg of chromium as chromium picolinate improved cognitive function in older adults experiencing early memory decline. The results of the randomized, double-blind, placebo-controlled study were presented to the medical community at a neurological meeting.