Athlete Collection - Runner's Box

The IronBox Runner Box is a curated supplement box designed for endurance athletes. Each box includes 10 samples from an assortment of top supplement brands plus an IronBox shaker bottle, giving you the chance to test hydration, energy, and recovery products before committing to full-size tubs. Curated by IronBox athletes, this box helps runners discover the supplements that support performance, endurance, and recovery.