Plant-Based Bodybuilding

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DESCRIPTION: Lower levels of the cancer promoting growth hormone IGF-1 in those eating vegan is not expected to affect their accumulation of muscle mass. Why might we want low levels of IGF-1 in adulthood? See IGF-1 is a One Stop Cancer Shop ( As we saw in How Plant-Based to Lower IGF-1? (, vegan men have higher testosterone levels, which can be a risk factor for prostate cancer and enlargement, but given the average IGF-1 levels of those eating plant-based diets this may not be an issue. See Ex Vivo Cancer Proliferation Bioassay ( and Prostate vs. a Plant-Based Diet ( Having said that, if they eat excess “high quality” protein, they may not retain their IGF-1 advantage. See Higher Quality May Mean Higher Risk (, Animalistic Plant Proteins (, Too Much Soy May Neutralize Benefits (, and How Much Soy Is Too Much? (

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Image Credit: Dan Bennett, dbking and Larry He’s So Fine via Flickr; alanpoulson via Shutterstock; auremar via Fotolia; Derek Tresize by Josh Avery, Ed Bauer and Nathane Jackson via veganbodybuilding. Images have been modified.
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