Biohackers promote rutaecarpine supplement for safe nighttime coffee consumption

Biohackers are promoting a new supplement that contains the plant alkaloid ruta­ecarpine, claiming it can flush caffeine from the body fast enough to let people drink coffee at night without losing sleep. The product hit online forums in early October and was highlighted in a Scientific American article on Tuesday, but health officials say its safety is untested and it may be toxic when taken with common pain relievers such as acetaminophen (Tylenol).

Caffeine is the world’s most widely used stimulant, and many adults rely on it to stay alert during the day. As work hours stretch and remote schedules blur, a growing number of people are looking for ways to enjoy coffee after dark without compromising sleep. The supplement market has responded with a flood of “no‑sleep” products that promise to speed up caffeine metabolism. Ruta­ecarpine, extracted from the Chinese herb Evodia rutaecarpa, has been studied in animals for its ability to boost the activity of liver enzymes that break down caffeine. However, human data are scant, and the compound has never been approved as a dietary supplement by the U.S. Food and Drug Administration.

Experts warn that the rush to market could be dangerous. Dr. Maya Patel, a pharmacologist at the University of Washington, notes that ruta­ecarpine can interfere with the liver’s processing of other drugs, including acetaminophen, which relies on the same enzyme pathways. “When you combine a caffeine‑clearing agent with Tylenol, you risk overwhelming the liver and causing toxic metabolites,” she said. The FDA has not issued a formal warning about ruta­ecarpine, but it has previously flagged other untested supplements that claim to alter drug metabolism. Scientific American’s report cites a 2022 animal study that found high doses of ruta­ecarpine caused liver inflammation, underscoring the need for human safety trials.

Regulators and consumer‑advocacy groups are calling for more research before the product reaches a wider audience. The FDA is expected to review the supplement’s ingredient list under its new dietary‑supplement safety framework, which could lead to a warning letter or a demand for clinical data. In the meantime, doctors advise anyone considering the supplement to avoid mixing it with acetaminophen or other over‑the‑counter painkillers. As the biohacking community continues to chase performance hacks, the ruta­ecarpine case highlights the gap between bold claims and proven safety.