NutritionFacts.org

animal protein

Plant sources of protein are preferable, as animal protein sources been linked to negative health effects from acne (see also here) to cancer, female infertility, infant sleep apnea, autism, crib death, and premature puberty. Meat has even been linked with a shorter life span. The presence of industrial carcinogens, xenoestrogens, arsenic, steroids and external hormones in animal fat and protein may be partially to blame. Plant protein consumption has been associated with a slimmer waistline and consuming a plant-based diet and may help rheumatoid arthritis, prevent cancer, and normalize puberty age in young women. Food is a package deal. You can’t get the protein in meat without the cholesterol, for example. Similarly, the best source of vitamin B12 is from supplements rather from animal sources.

See also the related blog post: Atkins Diet and Erectile Dysfunction

Topic summary contributed by Stephanie Davidson
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Watch videos about animal protein

  • Modern Meat Not Ahead of the Game
    Modern Meat Not Ahead of the Game
    Since chronic inflammation underlines many disease processes and saturated fat appears to facilitate the endotoxic inflammatory reaction to animal products, researchers have looked to wild animals...
  • Paleolithic Lessons
    Paleolithic Lessons
    An evolutionary argument for a plant-based diet is presented, in contrast to "paleo" fad diets.
  • 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...
  • Higher Quality May Mean Higher Risk
    Higher Quality May Mean Higher Risk
    The reason animal proteins trigger the release of the cancer-promoting growth hormone IGF-1 more than plant proteins may be because the relative ratios of amino acids in animal proteins more closely...
  • Protein Intake & IGF-1 Production
    Protein Intake & IGF-1 Production
    Animal protein consumption triggers the release of the cancer-promoting growth hormone IGF-1.
  • Some Prostates Are Larger than Others
    Some Prostates Are Larger than Others
    Benign prostatic hyperplasia, or BPH—an enlarged prostate gland—affects 80% of older men, but like many other Western chronic diseases it appears to be a consequence of our diet.
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