Tags: Neuroprotective Agents,Carcinoprotective Agents,Cardiovascular Aids,
  • Definition

    Alpha-linolenic acid (ALA) is an omega 3 fatty acid found primarily in plant sources, notably flax and walnuts. It is a precursor to the essential fatty acids eicosapentanoic acid (EPA) and docosahexaneoic acid (DHA).

  • Health considerations

    Evidence suggests that ALA intake reduces coronary heart disease and related incident risk, and has been associated with anti-inflammatory, neuroprotective, and anti-cancer effects. Recommended intake to benefit from this protective effect is 1.1 to 2.2 grams per day. There has been some evidence, however, suggesting that supplementation with 2 grams of ALA can increase levels of prostate specific antigen, which may be of concern for individuals at high risk of prostate cancer. See: !!Omega-3 fatty acids||tsop:omega_3_fatty_acids!!.

  • Keep in mind

    Some studies find that ALA does not confer the same cardioprotective benefits as EPA and DHA. Fatty acids are not consumed in isolation, studies of consumption of various oils or fat sources may provide differing evidence of health benefits and risks.

  • May be found in

    Flax seed, flax seed oil, canola oil, walnuts, brussels sprouts, olive oil, soy oil, corn oil, safflower oil, kale, cashews

  • References

    Alternative Therapies in Health and Medicine
    Food and Chemical Toxicology
    PLoS One
    The American Journal of Clinical Nutrition
    The American Journal of Clinical Nutrition 2

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