Category Supplements

Tart cherry has real trial evidence for endurance recovery and sleep, and none for your Tuesday leg day. Here is what the research supports, how to dose it, and five products worth buying.

Ashwagandha has gone from an obscure Ayurvedic root to the most-searched adaptogen on the shelf — and most of the marketing around it is nonsense. But underneath the hype sits a genuinely decent evidence base: randomized trials showing lower cortisol,…

Collagen production drops as you age. Here are 5 real, verified collagen peptide supplements worth adding to your routine, compared on dose, type, and price.

Beta-alanine is the ingredient responsible for the itchy, prickly flush that hits your face and forearms about 15 minutes after a scoop of pre-workout. Most people assume that tingle is the supplement working. It isn’t — it’s an unrelated nerve…

Whey gets all the attention, but it’s out of your system in about 2 hours — leaving your muscles running on empty for the other 6-8 hours you’re asleep. Casein digests slowly, feeding your muscles amino acids all night long.…

L-carnitine shows up on every “best fat burner” list, but most of those posts skip the part where the actual research shows a modest, not magic, effect. Here’s what carnitine actually does in your body, what a 2016 meta-analysis of…

Fish oil is one of the few supplements with decades of research behind it — and one of the few worth taking even if you never touch a barbell. But the shelf is a mess of wildly different doses, forms,…

The only 5 supplements a beginner actually needs — whey, creatine, electrolytes, pre-workout, and magnesium — picked from our in-depth category reviews.

A scoop of greens in your morning water is the easiest way to backfill the vegetables most of us never eat enough of. But the market is crowded and quality swings wildly, so we cut through the noise to find…