Houston Enzymes
 Issue 43, February 2012
In This Issue
Are raw foods a source of enzymes?
New AFP-Peptizyde Chewable coming soon
Q and A with Dr. H
Webinar recording on enzymes and autism
Enzyme events
Are raw foods a source of enzymes?

From Dr. Houston

Dr. Devin Houston, Ph.D.


Once in a while I get an email admonishing me for not emphasizing raw foods as a source of digestive enzymes. Often it is pointed out to me that if we all just ate more raw foods we would not need to take enzyme supplements. 


While I appreciate their input and passion about dietary concerns, I must take issue with their argument.


Raw foods do contain enzymes. These enzymes are destroyed by cooking or processing. If you have ever canned or preserved foods you know that it is essential to blanch or heat the food prior to canning. Otherwise the food will spoil. This is the primary function of enzymes found in fruits, vegetables, and meats as well. 


If you have ever purchased green bananas you know that in a few days the bananas will turn yellow and taste sweeter. If you wait too long, however, you end up with a pile of brown, sticky goo that goes into the trash. 


Plant fruits contain enzymes in order that their seeds can be dispersed or sprout, using the remains of the fruit as cover or fuel for sprouting. Digestion, on the other hand, must be accomplished in a matter of hours, not days or weeks. 


If we relied solely on the enzymes in raw foods to accomplish digestion, we would be in very poor shape. 


Enzyme supplements are much more concentrated and contain many other enzymes as well. An enzyme found in a specific food is specific for the spoilage of that food. An enzyme supplement contains additional enzymes to breakdown any other foods consumed, raw or cooked.


I love raw foods. Sushi is one of my favorites and I like steaks on the rare side. I try to eat more raw veggies, too. However, I am careful with uncooked foods as the risk of bacterial contamination is higher than with properly cooked foods. Also, certain raw veggies bother my digestion.


So, I always make sure I take the appropriate enzyme supplement for the particular foods in my meal (my own enzymes, of course!). 


New AFP-Peptizyde Chewable coming soon


We expect to have our new and improved AFP-Peptizyde Chewable tablets within a week. We will send announcements by email, Twitter and Facebook when we are ready for your orders.


The new AFP-Peptizyde Chewable tablets will have a tasty natural lemonade-pomegranate flavor. AFP-Peptizyde products break down gluten, casein, soy and other proteins and are high in the DPP IV enzyme.


Q and A with Dr. H

Your questions answered by Dr. Houston 

Q: Dear Dr. Houston, My 5 year old son has an autistic spectrum disorder. When diagnosed (aged 3) he ate a GFCF diet (gluten-free, casein-free) for 9 months and for the last 18 months has been on the Specific Carbohydrate Diet (SCD) - with amazing improvements in behaviour and digestive symptoms. We are planning to travel on holiday in the summer and I am slightly apprehensive about being able to maintain his diet whilst away. He has also started school now and whilst the school is great at catering to his diet, I often think it would be nice for him to be able to eat at parties and events without having to maintain his strict dietary restrictions. I have therefore come to your site as I have read that your enzyme products might be able to help with both these problems. 

My questions are whether it is possible to use enzymes as an alternative to SCD and, if so, how would it work - could my son use enzymes and effectively eat a 'normal' diet? Or would it be best to view them as an 'add-on' to the diet for use on special occasions?

A: Yes, many of our customers have been able to use enzymes instead of the diets (GFCF and SCD), but since every child is different it is difficult to predict how much help they will give to a specific individual.  We encourage parents to stay on the diet as much as possible, but we realize there are times when it is difficult to do so.  Enzymes can be helpful in those situations.

You may want to try the TriEnza product, as it combines our AFP-Peptizyde (for proteins, such as gluten, casein, etc.) and Zyme Prime (helps with starches and carbs).  Or you could try the AFP and Zyme Prime individually to determine which provides the most help.

Webinar recording on enzymes and autism

The seminar, presented by Dr. Houston, includes discussion of:
  • How enzymes break down foods
  • How and when enzymes may allow foods back into restricted diets
  • How to judge the differences between enzyme products
  • How enzymes are dosed
  • How to get started  

Watch now

Enzyme Events
Join us 
More events coming soon. Check our calendar for updates.


Invite Dr. Houston to your city. Does your group want to learn more about enzymes and digestion? Dr. Devin Houston, Ph.D. enzyme biochemist, speaks at no cost to parent groups.  


Contact Cindy Kelley by email or toll free at 866-275-0915 for presentations and literature for your events. 
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