Do You Need Gels for a Half Marathon? Yes. Here's the Science.
The "you don't need gels" take is everywhere in running culture. Here's what the glycogen research actually says about fueling your half marathon.
Low Energy Availability Is More Common Than Anyone Wants to Admit
Low energy availability affects nearly half of all athletes. Here's what the research says about LEA prevalence, risk factors, and why it goes undiagnosed.
The Science of What Food Insecurity Actually Does to Us
Food insecurity is a documented risk factor for eating disorders. Here's what the research actually says — and why school lunch funding is a public health issue.
Sports Supplements That Actually Work (And the Ones That Don't)
Caffeine, creatine, bicarb, beta-alanine, nitrates: the only sports supplements with real evidence behind them, and what the research actually shows.
RFK Jr. Wants Everyone in a Glucose Monitor. The Science Says Not So Fast.
RFK Jr. wants every American in a CGM. For people with diabetes, they're life-changing. For healthy people? The science still isn't there.
Carb Ratios for Endurance Athletes: Why the 2:1 Rule Is More Marketing Than Science
The 2:1 glucose:fructose ratio is everywhere in endurance fueling, but the science is more complicated. Here's what carb ratios actually mean.
Lead in Protein Powder: What the New Consumer Reports Data Actually Means
Consumer Reports found lead in most protein powders tested. Here's what the data actually means, who should be concerned, and what needs to change.
Should You Be Slurping Olive Oil Like Kilian Jornet?
Kilian Jornet fueled with olive oil. Here's why it might work for him, why it will probably wreck you, and what his flask actually tells us about fueling.
Apple Cider Vinegar Has No Business Being This Famous
Do Adaptogens Work? The Science Is Messier Than Your Mushroom Latte Suggests
Ashwagandha, rhodiola, lion's mane — adaptogens are everywhere. But do they actually work? Here's what the research says, and what it doesn't.
Does a "Cortisol Cocktail" Actually Lower Stress?
Cortisol cocktails promise to hack your hormones and flatten stress. Here's what the science says about cortisol, adaptogens, and adrenal health.
DIY Endurance Fuel Probably Isn't Actually Cheaper
DIY gels look cheaper until you factor in time and performance. Here's the real cost breakdown of homemade vs. commercial endurance fuel.
When Medical Devices Become Wellness Status Symbols
CGMs, Normatec boots, IV drips: medical devices keep getting repackaged as wellness upgrades. Here's the business model behind the trend. (
Endurance Athlete Nutrition Myths That Need to Retire
Five nutrition myths still haunting group chats and aid stations, what the research actually says, and what endurance athletes should do instead.
Pilates Does Not Give You "Long Lean Muscles"
Pilates can't lengthen your muscles or reshape your skeleton. Here's what the research says about "toning," spot reduction, and body genetics.

