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Type 1: IgE - Immediate Allergies

Type 2: Lectins - Food Allergens

Food Intolerances

Type 3: IgG - Delayed Allergies

Opioid Peptides (Morphins)

Type 4: T-cells - Delayed Allergies

Inflammatory Digestive Diseases

Type 5: IgD - Fever Allergies

Autoimmune Conditions

Type 6: S-IgA - Secretory Antibodies

Chemical Sensitivities


Biotype Diets are diets for your biological type.  This is a patented method of predicting potential food allergies for your

blood type, gender, and age.  These also relate to specific evolutionary diets.  Diets are based on Dr. Power’s 25 years

of original patented and published research.  This research statistically correlates ABO blood types (A1, A2, B, AB, O,

Rh-negative) to 3 kinds of food allergies each (IgE antibodies, IgG antibodies, and T-cell responses) and incorporates

lectin reactions.  It is unrelated to other diet systems using blood types.  See “Biotype Books” for Dr. Power’s research.



A food intolerance is the lack of an enzyme to digest a specific kind of food.  Celiac Disease or Gluten Intolerance is a

lack of the enzyme necessary to digest gluten, a protein found in wheat, rye, barley, oats, triticale, and spelt.  This

causes damage to the "celia" or "villi" in the intestines, impairing proper absorption of foods.  Cases range from mild to

fatal malnutrition.  The highest incidence of Celiac Disease is among the Irish, Swiss, and blood type O.  Lactose

Intolerance is the lack of the enzyme necessary to digest "lactose" (milk sugar), causing diarrhea.  Lactose intolerance

is common among most adults in the world.  The enzyme disappears at age 2 in Japanese and at puberty in the Danish,

who have the highest dairy tolerance.


The Morphins are opiod peptides and include: Casomorphins in dairy products, Gliadorphins in gluten grains, and

Soymorphins in soy products.  Soy products also contain some casomorphins and gliadorphins.  These can be addictive

for certain people, and cause severe behavioral and physical reactions.  This occurs when people have poor digestion of

specific proteins plus intestinal permeability.  This allows small opioid peptides to bind to opioid receptors in the gut and

brain, slowing gut motility and mimicking the addictive and debilitating effects of opiate drugs like heroin and morphine.

These are common in children with developmental delays.  They can be identified by a urine test.


Inflammatory  digestive diseases can be a progression of food allergies, or can be caused by bacterial or parasite

infections.  These include: Irritible Bowel Syndrome,  Inflammatory Bowel Disease, Crohn's Disease, advanced Celiac

Disease, and Colitis of various types.


Food allergies can progress to Inflammatory diseases and finally to autoimmune conditions.  These involve an immune

response (antibodies) to a foreign substance, but a response which also inadvertantly attacks one of the patient's

internal organs.  These include: Lupus, rheumatoid arthritis, multiple sclerosis, fibromyalgia, diabetes Type I, Crohn’s

Disease, Addison's Disease, Sjorgren's Syndrome, endometriosis, Hashimoto's Thyroiditis, and other inflammatory

conditions.  Therapies are based on individualized diet and supplement programs.


Reactions can occur to many substances in food, including:  Food additives, food dyes, sulfites, nitrites, aldehydes,

salicilates, petrochemicals, benzenes, pesticides, other organic compounds, and heavy metals.  The most reactive

heavy metal is Nickel, which increases immune hypersensitivities to other substances.  It is also one of the most

common forms of contact dermatitis, and is mediated by T-cells.  It was voted "Allergen of the Year" (2008) by the

American Contact Dermatitis Society.  Nickel reactions usually occur upon contact with foods high in Nickel, or with

jewelry, tools, and orthodontic braces and retainers.



"Food allergy (hypersensitivity) is an exaggerated immune response to a food, involving glycoprotein components in

foods."   Reactions can vary by the person, the food, the symptoms and the type of response - and by biotype.  There

are five kinds of exaggerated immune responses that cause food allergies.  These can be divided into two general

groups: immediate IgE allergies and delayed non-IgE hypersensitivities.  These reactions can cause a wide variety of

physical, mental and emotional symptoms, and some inflammatory and autoimmune diseases.  The worst reactions are

often to common foods; the top 5 worldwide include: milk, egg, wheat, soy, and peanut.  Testing options are discussed



Therapies for food allergies and other food reactions include: normalization of acidosis, restoration of antioxidants,

substitution of safe foods, and supplements for reducing inflammation and balancing the immune response.


Based on the 4 Gell-Coombs immune responses plus IgD and S-IgA.

For illustrations of Type 1 - Type IV allergy mechanisms visit Dr. Power's Biotype website.

TYPE 1 - IgE

Type 1 allergies are immediate and usually occur within 1 to 60 minutes.  They often involve dairy, seafood, nuts, beans,

and aero allergens (ragweed, pollen, etc.).  IgE antibodies attach to food allergens on mucus membranes, which then

release histamine and other inflammatory cytokines (cell messengers).  They cause classic symptoms, such as:

asthma, rhinitis, (running nose), hives, eczema, flushing, red cheeks and ears, and anaphylactic shock.  Type 1 occurs

in only 20% of our patients, but it is the most severe type of allergy, and can be life threatening.  Best tests include the

modified RAST–IgE blood test and Immuno Cap-IgE blood test.  IgE can also be identified by skin prick tests; but these

are not as sensitive to fat-soluble food antigens, and may provoke allergic reactions in highly sensitive patients.

TYPE 2 - Lectins

Type 2 reactions are delayed and occur within 8 – 72 hours.  Many lectins are found in beans, seafood, and vegetables.

In this reaction lectin allergens bind to the digestive lining or to red or white blood cells.  In the gut this can cause severe

digestive swelling.  In the blood this attracts IgG antibodies and killer cells, which destroy red blood cells, leading to

anemia.  About 65 known food lectins attach specifically to A, B or O blood type antigens.  Most lectins are destroyed

by cooking and digestion and rarely cause serious problems, but commonly cause chronic digestive problems.  They

have been identified by the scientific literature.

TYPE 3 -  IgG

Type 3 reactions are delayed and occur within 8 – 72 hours. They often involve milk, eggs, and gluten grains (wheat, rye,

barley, oats).  In this reaction IgG antibodies bind to food allergens and neutrophils (white blood cells), which clump

together to form large immune complexes in the blood.  These deposit in the organs and tissues, where they cause

inflammation and tissue damage, leading to inflammatory diseases and autoimmune conditions.  Only high IgG scores

are considered valid -- but these are seen in 80% of our patients.  The best test for this is now the ELISA-IgG.  Formerly

it was the mRAST-IgG.

TYPE 4 - T-cells

Type 4 reactions are delayed and occur within 8 – 72 hours.  They most often involve dairy, nightshades, sugars, and

chemical sensitivities.  In this reaction macrophages (white scavenger cells) engulf food allergens and transfer these to

T-Cells.  Both cells release interleukins (cell messengers) that stimulate the immune system, causing tissue damage,

inflammatory diseases and autoimmune conditions.  The best test for this is the ELISA/ACT LRA blood test.

TYPE 5 -  IgD

Type 5 reactions have only recently been discovered and published in the scientific literature.  They have symptoms in

common with both immediate and delayed responses.  They involve reactions to specific small molecules, such as:

sulfites, chemical dyes, food additives, iodine, alcohol, and gluten grains.  In this reaction IgD antibodies are released in

the blood and in secretions (saliva, digestive juices), and react with small molecules.  Symptoms can include both fever

and inflammation, but can also include hives and eczema like IgE, but not consistently to the same foods as IgE.  No

commercial tests are available at this time except for total IgD.

TYPE 6 - S-IgA

Secretory IgA antibodies are protective, but not usually inflammatory.  Tests for these do not identify allergies.

Primarily, S-IgA provides antibody protection against microbes in bodily secretions, such as saliva, tears, nasal mucus,

breast milk, vaginal mucus, semen, digestive juices, etc.  However, S-IgA antibodies are elevated in Celiac Disease, a

food intolerance that damages the intestinal celia.


1. Dean Metcalfe MD, Hugh Sampson MD, Ronald Simon MD.  Food Allergy: Adverse Reactions to Foods and Food

Additives.  2nd Edition.  Blackwell Science, Cambridge, MA. 1997.

2. Janice Joneja, PhD, RDN.  Dietary Management of Food Allergies & Intolerances.  2nd Edition.  J.A. Hall

Publications, Vancouver, B.C., Canada.  1998.

3.  James Breneman MD.  Basics of Food Allergy.  2nd Edition.  Charles C Thomas Publisher, Springfield, Illinois.