A Daily Webzine Celebrating The Wonder Of Individuality & The Blood Type Diet®

Intrinsa: Gut Feelings

Dr. D’Adamo’s formula, Intrinsa, has quite an interesting history.

The Basics

Intrinsa supplements support stomach, small intestine, and colon health.

Developed by Dr. D’Adamo for use in his Clinic, Intrinsa is the result of nearly five years of work. Dr. D’Adamo has successfully blended two synergistic dietary nutrients, Butyric Acid and Caprylic Acid, with linking nutrient components to create a superior formula to protect and support stomach, intestine and colon health.

Butyric acid is a short-chain fatty acid, which supports the health and healing of cells in the small and large intestine, and serves the natural processes of aerobic energy metabolism. Short-chain fatty acids can have the protective ability of impeding the proliferation of damaging cells in the colon, and have been associated with helping to maintain healthy blood lipid and sugar levels.

Caprylic acid is a medium-chain fatty acid that is absorbed from the intestines and carried by blood lipids. Caprylic acid is known to have anti-fungal properties. Mounting evidence also suggests that some of the naturally derived, medium-chain, saturated fatty acids also possess anti-microbial and anti-parasitic properties.

The Challenge—And The Solution

For all their potential health benefits, when taken alone, medium-chain fatty acids like caprylic acid can have difficulty in penetrating fatty cell wall membranes where they may be most needed. Until now, the challenge with these two essential fatty acids has been successfully blending their properties while maintaining each component’s unique abilities. With Intrinsa, Dr. D’Adamo successfully utilized precise nutrient blending so that caprylic acid works synergistically with butyric acid—a short-chain fatty acid—so that both can more easily penetrate tissues in the body such as muscles, joints, and sinuses.

Here at D’Adamo Personalized Nutrition, we’re quite proud of this formula, and we’ve called this successful nutrient blending Intrinsa’s Dual Fatty Acid Complex (DFAC) to distinguish its genuinely unique properties.

The Latest Science: Fiber and Proteins

Imagine a person new to The Blood Type Diet: Type A beginning to ingest more fiber for the first time in years, or Type O introducing more high-quality protein sources into the system. Some bodies may experience an adjustment period. Fascinating new research into essential fatty acids suggests that our unique Intrinsa DFAC may be supportive for both of these people.

Of greatest interest in the research are the fiber and protein facilitating properties of short-chain and medium-chain fatty acids. It appears that essential fatty acids such as butyric acid and caprylic acid may facilitate the transit time through the system and aid in metabolizing proteins and fiber.

The Larch Connection

Dr. D’Adamo’s pure food-grade ARA 6 Larch arabinogalactan further enhances the Intrinsa formula. When combined with the fiber–transit benefits of the DFAC, Larch improves gastrointestinal health by increasing gut microflora, and offering immune enhancing properties.

Larch arabinogalactan increases gut microflora, e.g., Lactobacillus, increases short-chain fatty acid production, and minimizes ammonia production and absorption. These effects suggest it may be beneficial as a dietary fiber supplement for improving gastrointestinal health.


Dr. Peter D'Adamo is a naturopathic physician, author, researcher-educator and software developer. He is considered a world expert on glycobiology, principally the ABO blood groups and the secretor (FUT2) polymorphisms. He is the author of the international best-seller, Eat Right 4 Your Type and the Blood Type Diet series of books, and he is currently a Distinguished Professor of Clinical Sciences at the University of Bridgeport, Connecticut.

Categories: Farmacy, Spotlight: Products

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