Petcare ProviBoost Drops includes fortified with Arginine and DHA. Docosahexaenoic acid (DHA) is an omega 3 fatty acid and is essential for the proper functioning of the brain and development of the nervous system. The research shows that puppies nourished with enhanced (high) levels of dietary Docosahexaenoic Acid (DHA) were smarter, more trainable than typical DHA (low DHA) nourished puppies.