This is a quick test you can do at home in under 3 minutes based on the work of Dr. Arthur Coca (1956) who discovered that when you eat an offending food, which triggers an allergic reaction in your body, your pulse rate goes up. This is because the food is triggering your immune system and creating a stress response.
Step 1. Get your food in question ready, a pen, piece of paper, and a clock with a second hand. The stopwatch on your smartphone works great.
Step 2. Sit down, take 5 deep belly breaths and relax. Start when your heart rate is at a normal steady pace.
Step 3. Count your heart beat for a full minute to determine your starting pulse. You can use your wrist or your neck, just make sure you use the same spot each time. Write down your ‘before’ pulse.
Step 4. Take a bite of food and chew it thoroughly making sure it saturates your tongue and hits all your taste buds. Don’t swallow it. Make sure you taste it for at least 30 seconds.
Step 5. While holding the food in your mouth, take your pulse for 1 full minute again. Write down your ‘after’ pulse. If this food is regarded as a stressor for your body, your pulse will have elevate. An increase of 4 or more beats is considered the result of a stressful reaction. The bigger the pulse change, the more stressful your body considers this food. Don’t be surprised if you experience a reaction with an increase of 10 or 20 beats per minute. This would be a clear cut sign of a food intolerance.
Step 6. Unless you have no reaction, spit out the food.