Ingredient Evidence

A scoop of white creatine powder beside a shaker bottle and kettlebell

Creatine Beyond the Gym: What the Trials Show

What creatine is and where yours comes from Creatine is a nitrogen-containing compound your body makes, mostly in the liver, kidneys, and pancreas, out of three amino acids: glycine, arginine,...

Creatine Beyond the Gym: What the Trials Show

What creatine is and where yours comes from Creatine is a nitrogen-containing compound your body makes, mostly in the liver, kidneys, and pancreas, out of three amino acids: glycine, arginine,...

Dried ashwagandha root pieces and a jar of brown powder on linen

Ashwagandha: The Evidence File

What ashwagandha is Withania somnifera is an evergreen shrub grown across tropical and subtropical parts of Asia, Africa, and Europe. The Sanskrit name is usually translated from the smell of...

Ashwagandha: The Evidence File

What ashwagandha is Withania somnifera is an evergreen shrub grown across tropical and subtropical parts of Asia, Africa, and Europe. The Sanskrit name is usually translated from the smell of...

New here? Start with these three

  • Magnesium

    The dose ranges that show up in trials, and the forms that were actually used in them.

    Read the file 

  • Ashwagandha

    Stress and sleep scores, the trial sizes behind them, and where industry funding sits.

    Read the file 

  • Creatine

    What the trials measured outside strength sports, including work in older adults.

    Read the file 
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