Having said that, we do have much stronger evidence to suggest that taking Omega-3 fatty acid supplements improves cardiovascular health, especially in lowering triglyceride levels.

FORBES: The Fish Oil Debate: Great Brain Medicine, or Just an Expensive Placebo?

Also on Monday, Abbott presented mixed results for its triglyceride-lowering drug TriCor in diabetics.

FORBES: Abbott Heart Failure Drug Misses Goal

It has not only hurt prescription niacin, sold by Abbott, but also older triglyceride-lowering drugs called fibrates, also sold by Abbott.

FORBES: Could A Fish Oil Backlash Wash Out Amarin Pharmaceuticals?