Fish

In fact, the energy drink business in western countries is booming and is a multi-billion dollar market. Who would have thought that an ingredient in many consider toxic would be a much used ingredient in a product so popular? It reveals that most edible ingredients, even toxic ones, have a use in cooking, you just need to know how to use it. 

Though it isn't without risk as it's very vital and hard to ensure that the consumer doesn't consume too much of the toxic substance. People have died from consuming too much Ma Huang, it's all about finding the balance. Wang Ming felt so enlightened this opened a whole new world for him, there's so many ingredients that is unhealthy and/or toxic, which he has not used, but now maybe he could.