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Extras

    Video thumbnail: FRONTLINE "Supplements and Safety" - Preview

    FRONTLINE

    "Supplements and Safety" - Preview

    An investigation into the hidden dangers of vitamins and supplements.

    "Supplements and Safety" - Preview

    Video thumbnail: FRONTLINE How Good For You is Fish Oil Really?

    FRONTLINE

    How Good For You is Fish Oil Really?

    Fish oil available in over-the-counter supplements might not always be worth the cost.

    How Good For You is Fish Oil Really?

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