
How Good For You is Fish Oil Really?
Clip: Season 2016 Episode 2 | 5m 32sVideo has Closed Captions
Fish oil available in over-the-counter supplements might not always be worth the cost.
Fish oil is the third most widely used supplement in the United States. But there can be a big difference when it comes to prescription-quality fish oil and the kind found in over-the-counter supplements.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the Ford Foundation. Additional funding...

How Good For You is Fish Oil Really?
Clip: Season 2016 Episode 2 | 5m 32sVideo has Closed Captions
Fish oil is the third most widely used supplement in the United States. But there can be a big difference when it comes to prescription-quality fish oil and the kind found in over-the-counter supplements.
Problems playing video? | Closed Captioning Feedback
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Preview: S2016 Ep2 | 31s | An investigation into the hidden dangers of vitamins and supplements. (31s)
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Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the Ford Foundation. Additional funding...