Here are our picks of the best fish oil supplements on the market. Why it’s best overall: Nordic Naturals Ultimate Omega Soft Gels is a high-quality supplement that provides 1,280 milligrams (mg ...

Fish oil supplements and whole fish both provide significant health benefits, particularly for heart and brain health. While supplements offer a convenient omega-3 source, eating fish delivers a ...

Fish oil may stimulate acid production in the stomach, which can cause heartburn or indigestion—especially if taken on an empty stomach. Side effects can include: Possibly due to compounds in fish oil ...