Lumen Wants to Track Your Metabolic Flexibility. But Do You Need It? – Triathlete

“], “filter”: { “nextExceptions”: “img, blockquote, div”, “nextContainsExceptions”: “img, blockquote”} }”> For access to all of our training, gear, and race coverage, plus exclusive training plans, FinisherPix photos, event discounts, and GPS apps, >”,”name”:”in-content-cta”,”type”:”link “}}”>sign up for Outside+. Metabolic flexibility is a buzzy topic, particularly among biohackers—people who use themselves as an experiment in an … Read more