6 Products Tunde Oyeneyin Recommends to Every Marathoner

Lingo ($49 and up)

"I wear Lingo, which is a biosensor by Abbott that pairs to an app on my phone and it helps me understand how food, exercise and stress affects my glucose — which is key for running longer distances," Oyeneyin says. "It was extra helpful in training for the Chicago Marathon. It helped me learn just how vital my protein intake is at breakfast."

For more context, Lingo is 14-day Lingo biosensor(s) with minute-by-minute continuous glucose tracking to learn more about the impact of your eating habits and which foods work best for you. When a PS contributor put the tech to the test, she found the data enlightening. You can read the full Lingo review here.