We know you're dropping $200/month on supplements because some buff dude on Insta said they changed his life. You tell people you think most of them work......which is code for "I have absolutely no idea." That's literally everyone. BioStackr pulls your wearable data (WHOOP, Apple Health, Oura, etc.), tracks ON/OFF days, and gives you a verdict: - Keep it (it's working), - Drop it (it's not), - Testing (jury's still out). Effect sizes, confidence levels — your data calling BS on your stack