Special caution should be taken with people who have fish and shellfish allergies. In addition, as with other omega-3 fatty<unk> s, taking<unk>  puts people who are on anticoagulants at risk for prolonged bleeding time. Side effects include stomach ache, burping, and a bad taste; some people on very high doses (8g/day) in clinical trials had atrial fibrillation.<unk>  have not been tested in pregnant women and are rated pregnancy category C; it is excreted in breast milk and the effects on infants are not known.
Omega-3 acid ethyl esters
Omega-3 fatty acid
Omega-6 fatty acid
Omega-3 carboxylic acids
Fish oil
Fish oil 
Cholic acid
Soybean oil