Pathway Nourishment

Q In the article “Nourish Your Brain with Amino Acids” by Will Block there’s a diagram of neurotransmitter pathways. The diagram at a glance makes it easy to understand nutritional supplementation.

Are there diagrams like this that shows nutritional pathways for the entire body and bodily systems?

JEN, Ottawa, Ontario

A Indeed, there are many. One particularly good one is offered by Sigma-Aldrich, a purveyor of fine reagent-grade chemicals and related services. Check out their huge metabolic pathway chart at (from the University of Leeds). Another, also from the University of Leeds in the U.K. has great pop-ups ( There are many more on the web. Please explore, but be aware that some may have errors, so choose your sources carefully.

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