NutritionFacts.org

IGF-1

Watch videos about IGF-1

  • Caloric Restriction vs. Animal Protein Restriction
    Caloric Restriction vs. Animal Protein Restriction
    The lifespan extension associated with dietary restriction may be due less to a reduction in calories, and more to a reduction in animal protein (particularly the amino acid leucine, which may...
  • Protein, Puberty, and Pollutants
    Protein, Puberty, and Pollutants
    The early onset of puberty in girls associated with animal protein consumption may be due to endocrine disrupting chemical pollutants in the meat supply.
  • Clonal Deletion Theory of Immunity
    Clonal Deletion Theory of Immunity
    Plant-based diets may be protective against multiple sclerosis because IGF-1 can prevent our immune system from eliminating autoimmune cells.
  • Changing Protein Recommendations?
    Changing Protein Recommendations?
    A research group is suggesting that human protein requirements may have been underestimated.
  • Plant-Based Bodybuilding
    Plant-Based Bodybuilding
    Lower levels of the cancer promoting growth hormone IGF-1 in those eating vegan is not expected to affect their accumulation of muscle mass.
  • How Much Soy Is Too Much?
    How Much Soy Is Too Much?
    To maintain the low IGF-1 levels associated with a plant-based diet, one should probably eat no more than 3-5 servings of soy foods a day.
  • Too Much Soy May Neutralize Benefits
    Too Much Soy May Neutralize Benefits
    Vegans consuming 7-18 servings of soy foods a day may end up with circulating IGF-1 levels comparable to those who eat meat.
  • Animalistic Plant Proteins
    Animalistic Plant Proteins
    While animal proteins increase levels of the cancer-promoting growth hormone IGF-1, and most plant proteins bring levels down, "high quality" plant proteins such as soy may not significantly affect...
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