Book Review: The GREAT Liquid Diet: A 50-Year Journey in Natural Healing Through Liquid Nutrition

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Discovering the Power of "Less is More" in Natural Health

In a world of complex diet plans and conflicting nutritional advice, sometimes the most profound solutions come from simplifying rather than complicating our approach to food. This is the core philosophy behind The GREAT Liquid Diet, a naturopathic approach developed by Leonard Mehlmauer that has quietly transformed lives for nearly five decades.

The Birth of a Revolutionary Approach

Created in 1975 by Traditional Naturopath Leonard Mehlmauer (ND, ret.), The GREAT Liquid Diet emerged from a simple yet powerful observation: our bodies expend tremendous energy breaking down solid foods. By reimagining how we consume nutrients, Mehlmauer discovered a way to redirect this energy toward what he considers the body's most vital function—purification.

The book, published in January 2020 with contributions from editor Esther Kacmar, illustrator Nenita Sarmiento, and a foreword by Jefferson Nunn, represents the culmination of nearly 50 years of clinical experience and personal refinement since Mehlmauer began his work in 1972.

The Science Behind the Simplicity

Energy Conservation Through Liquid Nutrition

The fundamental principle of The GREAT Liquid Diet is elegantly simple: by consuming foods in liquid form, we bypass much of the energy-intensive work typically required by our digestive system. Consider the journey of a typical meal:

Chewing: Mechanical breakdown in the mouth

Digestion: Chemical breakdown in the stomach

Processing: Nutrient extraction and waste management in the intestines

Each step requires significant bodily resources. By pre-processing foods through blending and juicing, the GLD allows the body to redirect this saved energy toward cellular cleansing and regeneration.

The Raw Food Advantage

The diet emphasizes raw foods for their superior nutrient content. Heat destroys many vitamins, enzymes, and phytonutrients that our bodies need for optimal function. While acknowledging that most people don't maintain an all-raw or even high-raw diet (over 80%), the GLD provides a practical middle ground: maximizing raw nutrient intake through liquid consumption.

Modern Challenges, Time-Tested Solutions

What sets The GREAT Liquid Diet apart from other raw food or juicing programs is its realistic approach to modern dietary challenges. The program specifically addresses contemporary concerns including: GMO contamination in food supplies, pesticide residues on produce, environmental toxins in our food chain, and the practical lifestyle constraints of modern living

This awareness of real-world challenges, combined with nearly five decades of refinement, has created what Mehlmauer calls the "GLD Lifestyle"—a sustainable approach to liquid nutrition that fits into contemporary life.

The Unexpected Benefits

While many approach liquid diets primarily for weight loss, practitioners of The GREAT Liquid Diet report a surprising range of benefits that Mehlmauer describes as "mere side-effects" of the purification process:

Physical Transformations

  •  Natural weight optimization (loss for those overweight, healthy gain for the underweight)
  •  Pain reduction and elimination
  • Increased energy and vitality
  • Improved digestive function
  • Enhanced immune response

Lifestyle Improvements

  • Freedom from medication dependency\n- Increased longevity markers\n- More youthful appearance
  • Mental clarity and focus
  • Emotional balance

Real-World Application: The GLDLifestyle

The book doesn't just present theory—it offers practical guidance based on "literally hundreds of cases" observed over nearly 50 years. This extensive clinical experience has shaped the program into something accessible for virtually anyone:

The GREAT Liquid Diet has been successfully used by:

  • Children adapting to healthier eating patterns
  • Adults managing chronic health conditions
  • Elderly individuals seeking gentle nutrition
  • Athletes looking for performance optimization
  • Families wanting to improve their collective health

Flexibility in Implementation

Rather than demanding perfection, the GLD acknowledges human nature and modern realities. The program can be adapted to various lifestyles and health goals, making it sustainable long-term rather than just another temporary diet.

The Purification Principle

At its heart, The GREAT Liquid Diet operates on what Mehlmauer calls the fundamental principle of health: "In health as in life, purification is the name of the game." This philosophy suggests that many modern health challenges stem from the accumulation of toxins and metabolic waste. By freeing up digestive energy and providing concentrated nutrition, the body can focus on:

1. Cellular detoxification

2. Tissue regeneration

3. Metabolic optimization

4. Immune system strengthening

A Testament to Time

Perhaps the most compelling aspect of The GREAT Liquid Diet is its longevity. In an era where diet trends come and go with seasonal fashion, this approach has been consistently helping people for nearly half a century. The program has been tested and refined through:

  • Thousands of patient interactions
  • Multiple generations of practitioners
  • Evolving environmental challenges
  • Changing food production methods

 Is The GREAT Liquid Diet Right for You?

The book poses a simple question to potential readers: "Are you ready?" This invitation reflects the program's welcoming approach: it's not about perfection or extreme measures, but rather about taking a step toward better health through simplified nutrition.

Consider the GLD if you're::  Struggling with chronic health issues; Seeking sustainable weight management;- Interested in anti-aging strategies; Looking to increase energy naturally; Wanting to reduce medication dependence; Ready for a gentle yet powerful health transformation.

Conclusion: Simplicity as the Ultimate Sophistication

In a world that often equates complexity with effectiveness, The GREAT Liquid Diet stands as a reminder that sometimes the most powerful solutions are the simplest. By returning to basics, whole foods, minimal processing, and respect for the body's natural wisdom, this approach has helped countless individuals reclaim their health over nearly five decades.

The GREAT Liquid Diet isn't just another diet book, it's a culmination of a lifetime's work in natural healing, offering a time-tested path to purification and vitality. For those ready to embrace the principle that "less is more," this book may offer the gentle yet transformative approach they've been seeking.

As Leonard Mehlmauer and his team welcome readers to explore this journey, they bring not just theory but the weight of experience, hundreds of success stories and nearly 50 years of refinement. In the landscape of natural health approaches, such longevity speaks volumes about the program's effectiveness and sustainability.

The GREAT Liquid Diet is available in paperback format. As with any dietary change, readers are encouraged to consult with healthcare providers, especially those with existing health conditions or on medications.


1 comment


  • Jeff

    Your team puts together very interesting and important articles!
    Thank you for providing them to the public!


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