I remember reading something about this back in the 2010s. I have several friends who were vegans and one telling me he was struggling with a decline in being a

I remember reading something about this back in the 2010s. I have several friends who were vegans and one telling me he was struggling with a decline in being able to remember small details like addresses and numbers. With that I told him to start supplementing creatine monohydrate to see if it helped. Sure enough, it did. He is a whip smart coder so he was worried something worse was happening. He now eats eggs and fish Unfortunately, I don't think the vegan diet is good long term because of this.