Mini DHA Gems Carlson Mini-DHA Gems are small easy to swallow soft gels which provide omega-3's to help support cardiovascular health and brain function. THIS PRODUCT is regularly tested (using AOAC international protocols) for freshness, potency and purity by an independent, FDA-registered laboratory and has been determined to be fresh, fully potent and free of detrimental levels of mercury, cadmium, lead, PCB's and 28 other contaminants.