Interesting on methionine

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Interesting on methionine

Postby offense74 » Tue Sep 04, 2012 3:45 pm

It's an amino acid if you didn't know :D . It might be a good read for the people wolfing down protein supplements. It might also give a hint on why vegans seem to live longer and healthier lives (if, like the article implies, one does it right).
The key is to lower IGF-1 (insulin like growth factor 1). It does grow muscle like you would expect it to but it also does a lot of damage, like fertilising cancer cells and accelerates ageing.
The article:
http://www.examiner.com/article/advances-aging-research-why-methionine-restriction-is-an-attractive-life-extension-strategy

and some on veganism:
[quote] More importantly, vegan diets are relatively poor sources of methionine. First of all, the methionine content of plant proteins tend to be lower than those of animal proteins. For instance, wheat and potatoes have about four times less methionine than eggs and chicken respectively (Morita et al., 1997). Secondly, plants have a high source of glycine, an essential amino acid that serves as functional antagonist to methionine. As previously mentioned in this article, methionine is a primary precursor to other amino acids and for synthesis of taurine and L-carnitine and human subjects undergoing methionine restriction may have to supplement these nutrients through other sources.

It is unrealistic that human beings will embrace a vegan diet and expect to give up their favorite succulent dishes at the expense of achieving a healthy and extended lifespan.


Obviously, since people have been living on vegan diets for many years without the "complete" proteins in e.g soy and quinoa, too little doesn't seem to be a problem.
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