Scientific American Content | Global Follow Biohackers say this supplement lets you drink coffee at night. No one knows if it’s safe Rutaecarpine is touted as a fix to rapidly flush caffeine out of the body, but it may be toxic when mixed with Tylenol https://www.scientificamerican.com/article/biohackers-say-this-supplement-lets-you-drink-coffee-at-night-no-one-knows-if-its-safe/ scientificamerican.com