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Rated 4.66 out of 5, 8486 reviews.

Lean & Define Duo

Includes: MB-1 & Tone Creatine Gummies

Support fat burn while promoting lean muscle with our best-selling MB-1 capsules and Tone Creatine Body Composition Gummies with clinically studied ingredients.

  • Up to 12% reduction in body weight*†
  • Healthy lean muscle to body fat ratio*
  • Boosted resting metabolic rate*
  • Curbed cravings & more balanced appetite*
  • Better workout performance and recovery*

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What’s Inside The Lean & Define Duo

A clinically-studied blend that supports healthy weight management and blood sugar maintenance.§*

What’s Inside The Lean & Define Duo

An ancient West African spice that's been clinically studied to increase resting metabolic rate, daily calorie burn & energy expenditure.*

What’s Inside The Lean & Define Duo

A clinically studied probiotic that supports a healthy gut microbiome which can help with appetite balance.*

What’s Inside The Lean & Define Duo

An herbal antioxidant that supports increased energy and activated AMPK. *

What’s Inside The Lean & Define Duo

2 micronutrients that support protein metabolism, nutrient utilization and healthy blood sugar maintenance§ which can help with cravings.*

What’s Inside The Lean & Define Duo

The most widely researched form of creatine, shown to support strength and cognition by increasing phosphocreatine stores to help the muscles and brain regenerate ATP—the body’s primary source of cellular energy.*

What’s Inside The Lean & Define Duo

A clinically studied postbiotic (derived from treated L. fermentum K8) that supports healthy body composition by helping regulate fat metabolism.*

What’s Inside The Lean & Define Duo

A powerful antioxidant and natural digestive aid that improves gut motility to reduce digestive discomforts and mitigate bloating.*

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Clinically Studied Ingredients for Science-Backed Results

MB-1's clinically studied ingredients deliver results you can see and feel.

  • UP TO 12%
    REDUCTION IN BODY WEIGHT*
    IGOB131® & CQR-300® have been clinically studied to support weight loss in as little as 10 weeks when taken together.†*
  • up to 31%
    DECREASE IN BLOOD GLUCOSE LEVELS*
    IGOB131® & CQR-300® have been clinically studied to support healthy blood sugar levels in as little as 10 weeks.†*§
  • up to 21%
    REDUCTION IN WAIST CIRCUMFERENCE*
    When taken together, IGOB131® & CQR-300® have been clinically studied to support waistline management.†*
  • Up to 97
    MORE CALORIES BURNED PER DAY*
    CaloriBurn GP® supports thermogenesis to help you burn more calories at rest.†*

†Based on individual ingredient research.

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Clinically Studied Ingredients for Science-Backed Results

With 5g of creatine monohydrate per serving, Slimbiotics® & gut-friendly ginger, arrae Tone elevates your every rep for strength that shows.

  • up to 20%
    INCREASE IN MAX MUSCLE STRENGTH*
    5g of creatine monohydrate has been clinically studied to increase muscle strength in as little as 5 weeks.*†
  • up to 3.5%
    REDUCTION IN WAIST CIRCUMFERENCE*
    Slimbiotics® works through the gut microbiome to support reductions in body fat mass & waist circumference.*†
  • up to 11%
    IMPROVEMENT IN FATIGUE RESISTANCE*
    Creatine monohydrate has been clinically studied to reduce exercise-related muscle fatigue.*†
  • up to 2x
    GREATER INCREASE IN TRAINING VOLUME*
    Creatine, combined with resistance training, has been clinically studied to support a more than twofold greater increase in training volume vs placebo.*†

†Based on individual ingredient research.

Leaning Out & Looking More Defined

Month Over Month

Month Start the Change

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  • Increased daily calorie burn*
  • More energy during workouts*
  • Cravings starts to calm*
  • Strength to push through extra reps*

MONTH Turn up the Strength

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  • Start to notice visual improvements in muscle definition*
  • Hunger hormones are more balanced*
  • Faster recovery after workouts*
  • Increased muscle strength*
  • Supported blood sugar levels already within normal range*

MONTH Own the Results

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  • Up to 12% reduction in body weight*
  • Enhanced fat metabolism*
  • Improved metabolic biomarkers*
  • Further enhanced strength and performance*
  • A lean, sculpted physique from Slimbiotics®*
  • You’ll continue to see progress with consistent daily use.

Support Meaningful Reductions in Body Weight with CQR-300® & IGOB131®*†

In a 10-week randomized, double-blind, placebo-controlled study, African Mango Seed Extract (IGOB131®) & Cissus Extract (CQR-300®), supported an average body weight reduction of approximately 12% from baseline.

CQR-300® + IGOB131® vs Placebo, Mean Body Weight (kg) by Study Weeks
Study Weeks CQR-300® + IGOB131® Placebo
Baseline 99.79 98.05
Week 4 95.77 98.76
Week 8 90.91 96.74
Week 10 87.95 95.99

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Frequently Asked Questions

What to know before you try