In the winter of 2021–2022, psychiatrist Mohamad Matour noticed a trend in his Palo Alto practice: More and more patients were taking creatine to support brain health. Not because he’d recommended it—nor had their primary doctors—but…

In the winter of 2021–2022, psychiatrist Mohamad Matour noticed a trend in his Palo Alto practice: More and more patients were taking creatine to support brain health. Not because he’d recommended it—nor had their primary doctors—but…