Hi, Cleanish Squad! This past week, Elaine, a fellow Cleanish Squad member, emailed me asking about amino acid tablets that claim to equal 30 grams of protein. She said her daughter swears they’ve helped her hair and nails, but she doesn't know if "it’s just hype." It made me think about how often we’re told the next big thing will change everything. Over the years, I’ve tested a lot of those trends myself and, of course, dug into the science behind them. Some are genuinely worth it, and...