Exercise & Fitness9 min read

HIIT vs. LISS: Which Is Better for PCOS?

Explore head-to-head studies comparing high-intensity interval training (HIIT) and low-intensity steady-state (LISS) cardio in the context of PCOS symptom improvement.

How They Compare

Each training style offers unique benefits. Choosing one depends on your health goals and current fitness levels.

HIIT

Improves VO2 max and rapidly reduces abdominal fat. Shown to decrease fasting insulin and promote ovulation.

LISS

Gentler on joints and easier to adhere to. Helps reduce cortisol buildup when combined with good sleep.

Study Review

In a 2022 randomized trial, women with PCOS performing HIIT three times per week saw greater improvements in insulin sensitivity and reproductive hormone balance than those doing LISS. However, LISS was associated with lower perceived stress.

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