The Science
The Science of Cortisol Management
How Relaxo's Clinically-Studied Ingredients Help You Lower Cortisol, Burn Fat, and Transform Your Body
Cortisol isn't just a "stress hormone"—it's the reason stubborn fat won't budge, cravings feel impossible to control, and your energy crashes by 3 PM. When cortisol stays elevated, your body stays in fat-storage mode. Relaxo uses four clinically-backed ingredients to naturally lower cortisol and unlock the body transformation you've been working for.*
What Is Cortisol and Why Does It Sabotage Weight Loss?
Cortisol is your body's primary stress hormone. In short bursts, it's helpful—it gives you energy to handle challenges. But chronic stress keeps cortisol elevated for weeks or months, and that's when problems start:
🔴 Triggers Belly Fat Storage
High cortisol signals your body to store fat, especially around your midsection (visceral fat).
🔴 Increases Sugar & Carb Cravings
Cortisol spikes blood sugar, then crashes it—making you crave quick energy from junk food.
🔴 Disrupts Sleep Quality
Elevated cortisol at night blocks deep, restorative sleep—when your body burns the most fat.
🔴 Slows Metabolism
Chronic cortisol puts your body in "survival mode," slowing calorie burn to conserve energy.
🔴 Blocks Muscle Growth
High cortisol breaks down muscle tissue, making it harder to build lean, toned muscle.
The result? You eat clean, hit the gym, and still can't lose the stubborn weight. That's cortisol sabotaging your progress.
The solution? Lower cortisol naturally—and that's exactly what Relaxo does.
The 4 Clinically-Studied Ingredients That Lower Cortisol Naturally
Relaxo combines four powerful, research-backed ingredients proven to reduce cortisol, improve body composition, and support sustainable fat loss. Here's the science:
Ashwagandha (KSM-66®) - 125mg
What It Does:
Ashwagandha is a clinically-proven adaptogen that directly lowers cortisol levels. Studies show it reduces cortisol by up to 28% in just 8 weeks while supporting lean muscle growth and fat loss.
The Research:
📚 Clinical Study #1: Cortisol Reduction
A randomized, double-blind, placebo-controlled study published in the Journal of Evidence-Based Complementary & Alternative Medicine found that 300mg of Ashwagandha (KSM-66®) per day reduced cortisol levels by 27.9% in chronically stressed adults after 60 days.
View Study →📚 Clinical Study #2: Body Composition & Strength
A study in the Journal of the International Society of Sports Nutrition showed that Ashwagandha supplementation significantly increased muscle mass and strength while reducing body fat percentage in resistance-trained men over 8 weeks.
View Study →📚 Clinical Study #3: Stress & Weight Management
Research published in Journal of Evidence-Based Integrative Medicine demonstrated that Ashwagandha supplementation led to significant reductions in stress-related food cravings and body weight in chronically stressed adults.
View Study →How Relaxo Uses It: Relaxo uses KSM-66®, the most clinically-studied form of Ashwagandha, at 125mg per serving—half the clinical dose, making it perfect for daily use without overstimulation.
L-Theanine - 200mg
What It Does:
L-Theanine is an amino acid found in green tea that promotes calm, focused energy without drowsiness. It works by blocking cortisol spikes triggered by acute stress—keeping your body in fat-burning mode instead of fat-storage mode.
The Research:
📚 Clinical Study #1: Stress Response & Cortisol
A study published in Biological Psychology found that L-Theanine (200mg) significantly reduced heart rate and stress marker responses to acute stress tasks, helping participants maintain calm focus under pressure by attenuating sympathetic nervous system activation.
View Study →📚 Clinical Study #2: Focus & Cognitive Performance
Research in Nutritional Neuroscience showed that L-Theanine improves attention and focus while reducing anxiety—perfect for staying on track with workouts and meal planning.
View Study →📚 Clinical Study #3: Sleep Quality (with Magnesium)
A study in Nutrients demonstrated that L-Theanine combined with magnesium improved sleep quality and reduced nighttime cortisol—supporting overnight fat burning and recovery.
View Study →How Relaxo Uses It: Relaxo delivers 200mg of L-Theanine per serving—the clinically effective dose shown to reduce stress-induced cortisol without causing drowsiness.
Magnesium Glycinate - 100mg
What It Does:
Magnesium is essential for over 300 metabolic processes, including cortisol regulation, fat metabolism, and muscle recovery. Magnesium Glycinate is the most bioavailable form, meaning your body actually absorbs and uses it effectively.
The Research:
📚 Clinical Study #1: Cortisol & Stress Regulation
A study in Pharmacological Reports found that magnesium supplementation reduced cortisol levels and improved stress resilience in adults with chronic stress.
View Study →📚 Clinical Study #2: Sleep & Recovery
Research published in the Journal of Research in Medical Sciences showed that magnesium supplementation improved sleep quality and duration—critical for overnight fat burning and muscle recovery.
View Study →📚 Clinical Study #3: Metabolic Health
A meta-analysis in Nutrients found that magnesium supplementation improved insulin sensitivity and glucose metabolism—key factors in preventing fat storage and supporting healthy weight management.
View Study →How Relaxo Uses It: Relaxo uses Magnesium Glycinate instead of cheaper forms (like oxide) because it's gentle on the stomach and has superior absorption for maximum cortisol-lowering benefits.
Vitamin D3 - 1000 IU
What It Does:
Vitamin D3 is essential for hormone regulation, including cortisol balance. Research shows that low Vitamin D levels are directly linked to elevated cortisol and increased stress response. By maintaining healthy Vitamin D levels, you support normal cortisol rhythms, improve mood, boost metabolic health, and enhance your body's ability to manage stress and maintain healthy weight.
The Research:
📚 Clinical Study #1: Vitamin D Deficiency & Elevated Cortisol
A study published in Psychoneuroendocrinology found that individuals with low Vitamin D levels had significantly higher cortisol responses to stress. Vitamin D supplementation improved cortisol regulation and reduced stress-related symptoms in deficient adults.
View Study →📚 Clinical Study #2: Vitamin D & Weight Management
Research in the American Journal of Clinical Nutrition demonstrated that higher Vitamin D levels were associated with greater weight loss success in overweight and obese adults. Vitamin D supplementation enhanced fat loss and improved metabolic markers when combined with calorie restriction.
View Study →📚 Clinical Study #3: Vitamin D, Mood & Stress Response
A meta-analysis published in The British Journal of Psychiatry found that Vitamin D supplementation significantly improved mood and reduced symptoms of depression—both closely linked to chronic stress and elevated cortisol. Adequate Vitamin D supports better emotional resilience and stress management.
View Study →How Relaxo Uses It: Relaxo delivers 1000 IU of Vitamin D3 per serving—the optimal daily dose to support healthy cortisol balance, improve stress resilience, enhance mood, and promote metabolic health for sustainable weight management.
How Relaxo Works: Your Body's Cortisol Timeline
Within 15-30 minutes
L-Theanine begins calming stress responses—stopping cortisol spikes before they trigger fat storage.*
Within 1-2 hours
Ashwagandha & magnesium work to lower cortisol levels—your body starts shifting from fat-storage mode to fat-burning mode.*
Within a few weeks
Cortisol balance is restored—you'll notice less bloating, more energy, and clothes fitting better as stubborn fat begins to melt away.*
With daily use
Your body adapts: better sleep = overnight fat burning. Improved energy = more movement. Lower cortisol = lean, toned results you can see.*
Ready to Lower Cortisol and See Real Results?
Join thousands using science-backed ingredients to transform their bodies—one daily drink at a time.
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