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What is Your Nutritional Deficiency? Find It, Fix It, and Feel Better!

written by Dr. Howard F. Loomis, Jr.

"My goal in writing this book is to enable you to see WHY you are energy deficient. Why are you fatigued, why are you apathetic, and why other symptoms may appear as your organs struggle to perform."
- Dr. Loomis, What is Your Nutritional Deficiency

Now 25% OFF!

Offer expires March 31, 2024


The Loomis System®, created by our CEO and Founder Dr. Howard F. Loomis, Jr, D.C., F.I.A.C.A., is about health care, not sick care.

At our seminars, our goal is to teach and guide you to maintain homeostasis through the use of diet and nutrition. While all health care experts recognize the importance of such an approach, few recognize the importance of proper digestion, absorption, assimilation, and elimination. In our seminars, you will learn how to recognize energy deficiencies.

Fortunately, we do and that is the Food Enzyme Institute™ difference.


Food enzymes are a natural and important component in our food supply, yet in modern society they are systematically removed to extend shelf-life. Enzymes must be replaced, just as vitamins and minerals are. For example, when milk is pasteurized it depletes the vitamin A and D content as well as enzymes. Vitamins are added back in, but enzymes are not.

Enzymes are the construction workers of the body. Protein, carbohydrates, fats, vitamins, and minerals are simply the building materials. It's one thing to eat a healthy diet, but are you digesting it and is your body utilizing the building materials without any construction workers?

Doc's Notebook
Annual Subscription

Dr. Loomis is constantly reviewing new and ongoing scientific studies that are pertinent to the purpose of the Food Enzyme Institute™.

Every Wednesday, SEVEN new reviews are added to the virtual library. Each review consists of the study's source, a brief summary, and Dr. Loomis' synopsis of how it all ties to the Loomis System® that you're familiar with.
Doc's Notebook

ONLINE Introductory Seminars Available!
Dr. Loomis is proud to announce our first ONLINE seminars!

Introduction to Food Enzyme Nutrition
presented by Elaine Newkirk, ND, LPN, LDHS

These two stand-alone online seminars provide the essential training needed for those interested in their own health, or that of their family, friends, and clients.

  1. Essential Understanding of Basic Nutrition
    for those without previous training in nutrition
  2. Enzymes: The 2nd Factor in Nutrition
    for alternative healthcare providers with previous credentials in nutrition and those who have completed Essential Understanding of Basic Nutrition

We invite you to join the healing world of the Loomis System®!

And you can call us at 800-662-2630

The Leading Causes of Death in the U.S.

New book

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Words From Your Colleagues

"I'm so grateful for the urinalysis interpretations! I'm re-studying the urinalysis section we learned in Seminar Two. This is such EXCELLENT information!"

- Juli Johnson, ND