Veggie Regular

Join Date: Feb 2016
Location: Melbourne, Australia. A haven of a country! But my heart is where my earliest years were spent in California and Canada as well...
Posts: 223
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Hiya
I'm not sure if this would be of any use. It's not specifically dairy vs meat, it just refers to animal protein (also, sorry if I have misunderstood the question!) Study of (female) meateaters, vegetarians and vegans though it does refer to men within the cohort: "The main finding of this study is that total IGF-I levels were significantly 13% lower in vegan women compared with meat-eaters and vegetarians, a finding very similar to that reported in men from this cohort (19) . Perhaps of equal importance is the finding that IGFBP-1 and IGFBP-2 concentrations (not measured among men) were ∼40% higher in vegan women than in meat-eaters and vegetarians. Although the relationship between IGF-I and its binding proteins is not completely understood, it is thought that an increase in IGFBP-1 and IGFBP-2 concentrations may lead to an increased binding of IGF-I, thus reducing the proportion of IGF-I that is available to enter tissues (33) . Overall, these data support the hypothesis that nutritional factors specific to a vegan diet may reduce circulating levels of total and bioavailable IGF-I." http://cebp.aacrjournals.org/content/11/11/1441.long Table 5 shows the mean concentration of IGF-I, IGFBP-1 and IGFBP-2 by diet group after additional adjustment for selected nutrients. Vegetarians seem to actually have a higher concentration of IGF-1 than meateaters. http://cebp.aacrjournals.org/content...expansion.html |
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Mmm, interesting! It's early in the morning but it SOUNDS like vegetarians have more than meat-eaters and vegans less than both which means eggs and dairy are making the difference...?
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