With Silicon Valley pouring billions into energy solutions to meet the massive electricity demands of AI , it’s easy to forget that old-fashioned human intelligence is very energy intensive, too. Recent research suggests one potential solution for more brain power: a supplement called creatine. Human brains are needy; they burn about 20% of the body’s resting energy. Creatine is an organic compound that comes from food and the body’s own natural production. It keeps energy flowing where the