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, and other contaminants). From the FDA‘s website: Supportive but not conclusive research shows that consumption of EPA and DHA omega-3 fatty acids may reduce the risk of coronary heart disease. Not manufactured with yeast, wheat, gluten, milk, egg or shellfish ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Caution: For adults only. Consult physician f pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Natural color variation may occur in this product. Do Not Eat Freshness Packet. Keep in Bottle. Store in a cool, dry place after opening.  Please Recycle. Family owned since 1968.