Canadian Running delves into performance supplements, separating science from hype. Brady Holmer, a sports science writer and marathoner, examines popular supplements. He scrutinizes claims about beetroot, bi-carb, ketones, and creatine.

Holmer applies his expertise to dissect the science behind these supplements. As a high-level marathoner, he tests them in real-world scenarios. This analysis aims to help runners discern which supplements are truly effective. It also highlights the role of hard work in performance. Read more culture coverage.

The podcast series, The Shakeout, features Holmer’s insights. It aims to clarify the science behind performance-hacking supplements. Runners can use this information to make informed decisions about their supplementation. Related: The 1% Rule: Incline on Treadmills Explained.

This original Runner World brief is based on reporting from Canadian Running. Visit the source for its complete reporting, context and any later corrections.