Independent editorial coverage of sports nutrition, athlete health and the science behind performance.
Hyaluronic acid has moved from dermatology clinics and orthopedic offices onto supplement shelves, where it is sold as a fix for creaky…
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Cordyceps arrived in Western sports nutrition with a legendary backstory: Tibetan herders, high-altitude yaks and Chinese runners breaking…
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Most people know taurine as the mysterious ingredient on an energy drink can. In reality it is one of the most abundant free amino acids in…
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L-ornithine shows up in sleep formulas, "growth hormone" blends and recovery products. It is usually described as harmless, and for most…
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Ketone drinks were once whispered about in pro cycling team buses; now they are sold online with promises of effortless fat burning and…
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For years, BCAA powders were a gym-bag staple. Then a wave of research and online commentary declared them "useless," and many lifters…
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HMB, short for beta-hydroxy-beta-methylbutyrate, is a metabolite of the amino acid leucine. It is marketed for muscle preservation,…
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Curcumin, the yellow compound in turmeric, has a frustrating reputation: impressive in the lab, disappointing in the bloodstream. Much of…
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Because taurine is associated with energy drinks, many people assume it strains the liver or damages the kidneys. The science tells a…
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Betaine, also called trimethylglycine or TMG, is studied for strength, power and body composition, and it is used in medicine for a rare…
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Fadogia agrestis, a shrub from West Africa, became one of the most talked-about "natural testosterone boosters" after it was mentioned on…
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After 40, many people notice that body fat accumulates more easily, especially around the waist, while muscle becomes harder to maintain.…
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C-reactive protein, or CRP, is one of the most common inflammation tests ordered in the United States. For athletes, interpreting the…
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Protein shakes are everywhere in high school locker rooms, and many parents wonder whether they are safe or even necessary for a growing…
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Few nutrition debates are as persistent as the idea that eating lots of protein "wrecks your kidneys." Athletes and people following…
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