I know that (explained like you’re five) carbs are the fuel we use for energy. And fat is somewhat the “emergency” fuel. But what is protetin? What’s the purpose of protein? Why do people who want to bulk eat a bunch if protein?
Proteins are like the building blocks, the Legos that are used to build your body. There are many types of proteins, and they do all kinds of shit. They are made from amino acids and are the basis of life, basically.
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