by George Washington University Credit: Pixabay/CC0 Public DomainMany consumers buying over-the-counter omega-3 fatty acid supplements may be getting rancid pills, according to a new study published Sept. 7 by researchers at the George Washington University. Derived from plants (algae) as well as seafood (fish, krill, etc.) , omega-3 supplements—sometimes labeled as fish oil—are often taken because...