RxOmega-3 is a pharmaceutical-grade fish oil providing high potency EPA and DHA. Molecularly distilled and guaranteed for purity and safety from environmental pollutants like PCBs and mercury or other harmful compounds, RxOmega-3 surpasses the strictest international standards for quality. 1 softgel of RxOmega-3 provides 400 mg of EPA and 200 mg of DHA omega-3 fatty acids.