I use it like a spice. Sprinkle it on with whatever else I’m adding like garlic powder, pepper, etc. I add it into rubs and breading and it makes everything more delicious.
Also, I’d recommend getting your msg from an Asian grocery store. Much better bang for your buck. The brand I’m familiar with is called Ajinomoto
You can check out the source material used in creation of the infographic. https://www.nature.com/articles/srep00196 Of course the authors there note that the information web is so dense that it is difficult to visualize effectively.
The designer that created the infographic also consulted on this book: https://www.amazon.com/Flavor-Matrix-Science-Ingredients-Extraordinary/dp/0544809963