alt Hacker NewsAlso a lot of peoples diets have a high amount already. And certain things like energy drinks have a lot if you drink a those.
I think a lot of the minmaxed stuff people do working out is mostly placebo because very few people are actually pushing the limits of natural human physiology and hitting some nutrient bottleneck.
You're probably not getting much Creatine from your diet, definitely not supplement levels. I don't think energy drinks have it, maybe pre-workouts. Creatine doesn't dissolve well afaik so it's rare in energy drinks.