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-   -   IGF-1 in dairy vs meat/omni partner (https://www.veggieboards.com/forum/14-general-health-discussion/208409-igf-1-dairy-vs-meat-omni-partner.html)

Beets&Beats 05-04-2016 01:39 PM

IGF-1 in dairy vs meat/omni partner
 
Hello y'all!
So this could pop into 'relationships' but is more a health question I shall funnel IN to my relationship...
My partner doesn't eat dairy. Partly because i have so many good substitutes around the house and we don't need both but partly because IGF-1 freaks him out and whilst sugar doesn't, dairy is the thing that f*cks with his blood sugar.
Anyway, I was just wondering (and struggling to find data ANYWHERE) what the IGF-1 content is in dairy versus meat anyway? This might be a gateway to his vegetarianism, if he wants it... >:D
I actually thought it was sort of equal and he's sure it's far far worse.
I also heard somewhere that meat protein spikes insulin so....
:nerd: Anybody clued in on this?

QuietVegan 05-05-2016 02:24 AM

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

Beets&Beats 05-05-2016 02:26 PM

Quote:

Originally Posted by QuietVegan (Post 3961025)
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

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...?
Totally gonna share this with him.
Trying so hard not to be that veg partner and change his beliefs but it feels a lot like he wants to live that way and is just kind of...comfy with familiarity...

Auxin 05-05-2016 10:19 PM

Just to clarify one point, its not that meat and dairy have IGF-I.
Rather, they prompt peoples bodies to produce our own IGF-I

Quote:

Originally Posted by Beets&Beats (Post 3961153)
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...?

The data in the table 5, above, seems to indicate that they uncovered no statistically significant difference between meat eaters and vegetarians. The average was a tad higher for the veggies but the statistics should say that it could just have easily been a tad lower. Basically meat and dairy+eggs are the same.
The data on vegans indicated that their finding of IGF-I being lower had a 7 in 10,000 chance of being wrong :laugh:

Beets&Beats 05-08-2016 06:49 PM

FABULOUS. Thankyou. *clicks copy and paste and plops this into an email...*
:P


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