This is an interesting discussion.
I found this link from a vegetarian point of view, that gives the non meat sources for essential amino acids.
http://www.easy-vegetarian-diet.com/amino-acids.html
I personally think methionine is the most crucial for antidepressant actions.
There is a very good video on YouTube, which is given by a well known doctor about vegans dying of heart disease, due to deficient B12 and Omega-3 fatty acids.
https://www.youtube.com/watch?v=q7KeRwdIH04
(I am sorry his voice is irritating, but the content is sound IMO)
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Weezie looking at petunias 8.25.2017
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