Shrooms
https://www.bicycling.com/health-nut...liQ00ifQ%3D%3D
Was surprised to see this article since I drink multiple cups of mushroom coffee daily; Lion's Mane, Chaga extracts. Does it improve my cycling? No, but it tastes good. Perhaps they are talking about a whole other level of consumption.
Now you know.
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There is more to life than simply increasing its speed. - Gandhi