Alcat Testing


Do you have unexplained symptoms that have been hard to pin down? Are they impacting your life, perhaps in an invasive way? I understand. I’ve been there.

What’s bothering you?

Have you been to your doc and don’t have anything ‘”wrong”? But still it persists. Digestive discomfort, Chronic fatigue, autoimmune disease, aching joints, migraines, skin disorders, obesity, something else?

What if you have food sensitivities?

What if you could identify the foods that may be creating your symptoms and learn a clear action plan with options where you can take control and feel better?

What is food sensitivity or intolerance?

Please note that the term ‘allergy’ is often used as a catchall phrase and sometimes incorrectly. The Alcat Test is for food intolerance or sensitivity. Food intolerance or food sensitivity is a reaction your body develops or has to certain foods. It is much more common than a true food allergy. Food allergies may present quickly after consumption. Food sensitivities are harder to pin down because it can take hours or days before the symptoms appear, long after the offending culprit has been forgotten. How ever can you make the link back to the food then? This is part of what happened to me. In fact I had been eating great quantities of the very foods that I learned were highly sensitive to my body.

"What is food to one man may be bitter poison to others."

- Lucretius, Roman poet & philosopher

Who is Alcat?

Alcat is subsidiary of Cell Science Systems, a global company headquartered in Florida and guided by smart people including MD’s, ND’s, DO’s and RD’s. They are a specialty, clinical laboratory that develops and performs laboratory testing in immunology and cell biology. Cell Science Systems, Corp. operates a CLIA certified laboratory and is a FDA inspected registered, cGMP medical device manufacturer meeting ISO EN13485 standards. Cell Science Systems is best known for pioneering the Alcat Test for food and chemical sensitivities. 

What is the Alcat test?

The Alcat Test is a simple blood test that tells you which foods may be a problem and which foods might be beneficial for you. It does this by measuring changes in the size and volume of white blood cells in response to ex vivo* challenges with foods, chemicals, and other environmental stimuli. Common everyday problems like migraines, aching joints, fatigue, gastrointestinal disorders, eczema, hyperactivity, ADD, ADHD, asthma, sinusitis and even obesity have been linked to food sensitivity and chronic activation of the immune system. The Alcat Test is now considered to be the “gold standard” for non-IgE mediated reactions to foods, chemicals and substances.

* Testing done in an external environment with minimum alteration of natural conditions.

"For ten years I have used the ALCAT test in my practice – no other test is as accurate or useful."

- Fred Pescatore, MD

The efficacy of the Alcat Test is documented in numerous studies, including double-blind challenges.

Research and development has spanned 30 years and has yielded many clinical successes. Studies confirm significant reduction or complete elimination of symptoms is possible following avoidance of reactive foods and chemicals. More detailed information is available in the Scientific Dossier on the Alcat Test. Contact me for a copy.



How do I get started?

Contact me and we can chat about the details. But in short, there are a number of test panels to choose from including anywhere from 70 to 320 items (food, food additives, chemicals and herbs) in one test. The results of the test are based on a simple blood draw that can even be done in your home by an Alcat selected phlebotomist who also rushes your samples to the lab. There Alcat performs the Alcat Test and reports back with an easy-to-read, color-coded chart of all the tested items. Also included is an easy-reference wallet card of your tests foods and a Results Guide that explains the results and how to manage the Rotation Plan. The included Rotation Guide gives you options for trying out different foods to see how you feel. Together we review results with via a live phone call with Alcat staff – 30 minutes. Finally, following Alcat’s guidance, I’ll help you craft a success planning strategy – 2 hours of coaching with Mary Wallace

Want to Learn More?

Here are the results from selected Alcat clients...

I am writing to report great benefits after one week of following the ALCAT recommendations for the 150-food intolerance test. I have been aware of the foods I am allergic to for years and eliminated those foods from my diet. The awesome thing is that the foods on the food intolerance list were different from foods I noticed myself responding allergically to. I had no idea my immune system was intolerant of veggies such as broccoli and fruits like grapes. I always thought, “The more fruits and veggies the better.” However, after eliminating the foods on the red and orange lists for one week I have experienced benefits beyond my expectations. My mind is clearer and I am thinking more creatively and with more clarity. I have more physical energy and endurance and am not fatigued as I was a week ago.  My digestion is much better. A friend said I look like I’m glowing! Thank you for the great guidance. This was well worth the cost and time and energy it took to do. 
– Sincerely, Bari from California

I took the ALCAT test even though I had no health problems, I just wanted to look and feel even better. After 6 months on the diet dropped 1/2 a shoe size and 3 dress sizes! My strength and endurance has increased dramatically. Friends say my skin and face look years younger. I dropped over 14 pounds and my cholesterol went down almost 70 points!

– Jane from California

I just wanted to let you know my experience so far with the ALCAT results that I received several weeks ago. I have suffered with fibromyalgia, extreme fatigue, migraines and a host of odd neurological symptoms for the past two and a half years. I was forced to take a 7-month medical leave of absence from work. I became deeply depressed and hopeless. I had blood work done, MRIs, CAT scans, neurology appointments etc etc etc. Everything came back normal. I was told things were all in my head. I was depressed and miserable. Having the ALCAT test was the best decision I have ever made. I have followed the dietary recommendations 100 percent for the last two weeks. I eliminated my reactive foods. During that time I have had only one migraine. Other than that one time I have had no migraines, no fibromyalgia pain, no neurological symptoms and have lost 4 pounds since I began following the dietary recommendations. I feel like a new person. My sleep is deeper and I wake up feeling rested. I can’t tell you how happy and amazed I am. Thank you for the work you all do. It has changed my life in just 2 weeks.

– Jennifer from Maine

In the past week since following my four-day rotation diet plan, I have lost SEVEN pounds. At first, I thought maybe there was something wrong with my scale. I checked on another scale and sure enough, the weight loss was correct. I could almost cry from the relief. I am so grateful to you for your help.

– Alessana from Florida




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