GlycoTrol?was designed by Dr. Charles I. Jarowski, Director of Research and Development at Pfizer, Inc., to balance dietary essential amino acids and support and maintain healthy blood-sugar. Healthy blood sugar, in turn, supports eye, kidney and circulatory health... critical to everyone as we age. Dr. Jarowski identified the essential amino acids most frequently lacking in the American diet, and by simply supplementing these amino acids before a meal as part of your diet, GlycoTrol helps maintain a healthy blood sugar level. Studies continue to highlight the importance of additional nutrients that play an important role in sugar metabolism. With these additions, GlycoTrol?Complete reflects the very best of modern research.