Sports Nutrition: Active Ingredients
Phosphatidylserine: What It Is and How It Works
Phosphatidylserine (PS) sits on supplement shelves next to nootropics, cortisol blockers and recovery formulas, and the marketing around it…
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Sports Nutrition: Active Ingredients
Creatine Monohydrate Myths: What the Research Really Says
Creatine monohydrate is probably the most researched sports supplement in history, yet gym conversations about it are still full of…
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Nutrition & Recovery
Pre- and Post-Workout Nutrition: A Practical Guide
Few topics in sports nutrition generate as much advice as what to eat around training. Some of it is solid physiology, some is leftover…
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Organ Protection
Trimetazidine Drug Interactions: What Is Known and What Is Not
Trimetazidine is a heart medication prescribed in Europe and many other countries but not approved in the United States. It reached…
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Sports Nutrition: Active Ingredients
Zinc for Athletes: What the Evidence Shows
Zinc is a staple of "testosterone booster" labels and immune-support formulas, and many athletes take it almost by default. Our editorial…
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Nutrition
Vegan Diet for Athletes: How to Hit Your Protein Needs
More athletes in the US are choosing plant-based diets for ethical, environmental or health reasons, and the first question they usually…
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Sports Nutrition: Active Ingredients
Who Should Not Take L-Carnitine: Contraindications and Cautions
L-carnitine is marketed as a fat burner, an endurance aid and a recovery supplement, and it is generally considered safe for healthy…
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Sports Nutrition: Active Ingredients
Who Should Not Take Agmatine: Risks and Contraindications
Agmatine sulfate shows up in many pre-workout formulas as a "pump" ingredient, and some people take it on its own for mood or nerve pain.…
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Sports Nutrition: Active Ingredients
Who Should Not Take CLA: Conjugated Linoleic Acid Contraindications
Conjugated linoleic acid, better known as CLA, has been sold as a "natural" fat-loss aid for more than two decades. It sounds harmless, as…
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Sports Nutrition: Active Ingredients
Vitamin D3: What It Is and How It Works
Vitamin D3 is one of the most frequently tested and supplemented nutrients in the United States, and athletes are no exception. Behind the…
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Sports Nutrition: New Angles
Omega-3 and Sleep: Can Fish Oil Help You Rest Better?
Omega-3 fatty acids are usually discussed in the context of heart health, inflammation and joint comfort. In recent years researchers have…
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Sports Nutrition: New Angles
Glucosamine and Chondroitin During a Bulk: Are They Worth It?
A bulking phase usually means heavier weights, higher training volume and a few extra pounds on the scale. It is also the time when many…
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Sports Nutrition: New Angles
Melatonin During a Cut: Does It Help?
Anyone who has dieted down for a competition or a summer cut knows the pattern: hunger at night, restless sleep, early waking and dragging…
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Sports Nutrition: New Ingredients
GABA Supplements After 40: What to Expect
Sleep that becomes lighter, stress that lingers longer, recovery that takes an extra day: many active adults notice these changes somewhere…
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Sports Nutrition: New Angles
Zinc After 40: Needs, Risks and Smart Supplementation
The recommended daily amount of zinc does not change on your 40th birthday, but a lot of the things that affect zinc status do. Medications…
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