A humble kitchen spice may have given Tabata trainers an extra edge in an 8-week trial. Men who took 1.5 g of cinnamon daily alongside high-intensity circuits lost 7.86% body fat, significantly more than those who trained alone (p = 0.013). Inflammation dropped and irisin rose most in the combination group, while insulin changes appeared across all training groups. But with only about ten men per group, and cinnamon alone failing to match the combo, this is promising rather than proven. Here's the circuit, the dose and the coumarin catch you need to know.
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