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Branding portrait of Dr. Lexi, purple tones, portrait orientation
Dr. Lexi swimming, action shot, landscape

Lexi’s Clinical & Athletic Journey

Dr. Lexi Lain is a Naturopathic Doctor, gut health practitioner for runners, and 3-time Half-Ironman finisher with more than 15 years of clinical experience. Combining natural medicine with firsthand endurance training, she helps marathon runners and endurance athletes  investigate stomach cramps, bloating, diarrhea, and other GI issues while running, training, or racing. She creates personalized gut health, nutrition, and fueling strategies that work in the real world.

Dr. Lexi Lain | Naturopathic Doctor + Endurance Athlete

Science Meets the Course

Dr. Lexi bridges the gap between clinical gut health and endurance performance. She combines clinical expertise with firsthand experience as a triathlete to help athletes understand why their digestive system reacts during training and racing.

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