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HIIT, or high-intensity interval training, is a training technique in which you give all-out, one hundred percent effort through quick, intense bursts of exercise, followed by short, sometimes active, recovery periods. This type of training gets and keeps your heart rate up and burns more fat in less time.
A high-intensity workout increases the body’s need for oxygen during the effort and creates an oxygen shortage, causing your body to ask for more oxygen during recovery. The afterburn effect is referred to as excess post-exercise oxygen consumption (EPOC) and is the reason why intense exercise will help burn more fat and calories than regular aerobic and steady-state workouts
1. Increases your Metabolism
Combining high intensity with interval training results in EPOC, which speeds your metabolic rate and “translates into a metabolism boost for up to 48 hours after a complete HIIT routine,” says Salvador. This means you’ll still be burning fat even after you’ve left the gym.
2. Quick and Convenient
Long gone are the days of not having enough time for exercise. HIIT workouts can be done anywhere: at home, in a hotel room, in a park, at the beach, etc. And most are 30 minutes or less! Who can’t spare that?
3. No Equipment Necessary
No dumbbells? Not to worry! HIIT workouts generally use only your body weight, since the focus is on getting your heart rate up and keeping it there. These workouts result in optimal muscle building and muscle retention couples with fat loss and increased calorie burn.

Frequently Asked Questions
If you’re not seeing results from HIIT, it’s rarely just the workouts. Your body may be under stress from hidden inflammation, hormonal imbalances, poor sleep, or nutrient deficiencies. Natural healing protocols focus on restoring balance — improving adrenal and thyroid function, reducing inflammation, and optimizing digestion — so your metabolism and energy systems can respond properly to HIIT training.
Yes. When hormones like cortisol, insulin, and thyroid are off balance, the body can resist fat loss even with intense exercise. Natural healing identifies and corrects these imbalances using personalized nutrition, detoxification, and adrenal support, allowing HIIT to work as intended and help you burn fat efficiently.
Poor gut health limits nutrient absorption, weakens immunity, and increases inflammation — all of which slow recovery and progress. Natural healing strengthens the gut microbiome, repairs intestinal lining, and improves digestion so your body can fuel and recover from HIIT sessions effectively.
Absolutely. Environmental toxins and heavy metals can disrupt hormones and slow metabolism. Natural healing uses gentle, evidence-based detox methods to clear toxins, improve cellular function, and enhance your body’s ability to build lean muscle and burn fat through HIIT.
Most people start noticing improved energy, better recovery, and visible body changes within 4–8 weeks once underlying imbalances are corrected. The key is consistency — both in your training and in following your healing protocol for hormones, gut, and detox support.
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