The Natural Fish Oil Concentrate used in this softgel is manufactured under strict quality control standards. It is tested to be free of potentially harmful levels of contaminants (i.e. mercury, heavy metals, PCB's, dioxins, & other contaminants). As a dietary supplement, take 2 softgels 1 to 3 times daily with meals. Consider taking this product in combinatioin with NOW® Co Q10 & Tru-E Bio Complex. Softgel Capsule (gelatin, glycerin, water). Contains fish (sardines, anchovies, mackerel) & soy derivatives.