Should you skip breakfast? Intermittent Fasting for Mast Cell Activation Syndrome and Histamine Intolerance
I don’t eat breakfast anymore, because I find I feel so much better doing intermittent fasting. It has really helped my symptoms from Mast Cell Activation Syndrome and Histamine Intolerance.
In case you don’t know what intermittent fasting is, I’ll give you a quick run-down. Intermittent fasting is where you take breaks from eating. The benefits are huge. It gives your liver, pancreas, and intestines a rest. It also dramatically lowers histamine levels.
This is because just the act of digesting releases histamine in your gut and triggers mast cell activation. And if you have any kind of gut imbalance (think bacterial overgrowth, candida, etc.), every time you eat you are feeding those bugs.
I used to actually see my fingers swell when I ate. Sometimes my hands and feet would get really hot and red with eating as well. Even if I was eating low histamine foods.
As I’ve healed my gut, this happens way less often. But I still feel much better when I do intermittent fasting.
Research has shown that fasting reduces mast cell degranulation and histamine release. Lower carb diets also help reduce mast cell over-activity.  Intermittent fasting also reduces risk of heart disease and cancer. 
It’s important to tell you that this blog post is for informational and educational purposes. It’s not meant to treat any health condition or to be prescriptive for anyone. Before you change your diet on your own, please make sure you’re working with a healthcare practitioner who can help you with this. Never limit foods unnecessarily, and always have a licensed medical provider who is supervising your case.
How to do Intermittent Fasting when you have Mast Cell Activation Syndrome and Histamine Intolerance
There are different ways to do intermittent fasting. The way I do it is I don’t eat breakfast, and I eat during an 8 to 12 hour window. Then I fast for 12 to 16 hours. Meaning I don’t eat any food during that time. I do still drink plenty of water and herbal tea.
This works well for me. I’m not really hungry for breakfast these days, so that makes this easier. Some people, though, find that they do better eating breakfast and eating a very early dinner. You just want to find the eating and fasting time windows that work best for your body.
If you eat breakfast, here are 10 Low Histamine Breakfast or Brunch Ideas!
I’m not real strict about how I do intermittent fasting. Some days I eat my first meal at noon. Other days if I’m really busy and not very hungry, I may not eat until 4 or 5 pm. I just listen to my body. And I usually take a break on weekends and at the start of my cycle.
I wasn’t able to just start doing intermittent fasting, though. I had to ease into it. I had such bad hypoglycemia that I used to have to eat every 3 to 4 hours or I’d get lightheaded and tunnel vision. It actually took me almost a year to transition my body into intermittent fasting.
I started with reducing my carbs to balance my blood sugar. I worked on pancreas healing. I then started to very gradually space out snacks and meals. It took a while, but I was very, very sick. If you try intermittent fasting, it may be easier for you to start than it was for me.
Precautions to Intermittent Fasting when you have Mast Cell Activation Syndrome and Histamine Intolerance
There is one thing I don’t recommend for people with Mast Cell Activation Syndrome (MCAS) and Histamine Intolerance – the Fast Mimicking Diet.
This uses specific prepared and packaged foods that are high in histamine. I’ve had a couple clients with Mast Cell Activation Syndrome and Histamine Intolerance who did this on their doctor’s recommendation.
While the research supports intermittent fasting, the packaged foods used in the Fast Mimicking Diet are just way too processed and high histamine. Both my clients who tried it got really sick.
Related Article: Low Histamine Foods List
If you have blood sugar issues or any form of Diabetes, make sure you work with your health care practitioner if you are going to try intermittent fasting.
It can really help Diabetes and blood sugar balance, but you want to make sure you stay safe. If you have heartburn or acid reflux when you don’t eat – make sure you address that first before trying intermittent fasting.
Also, if you are still recovering your adrenals or have any kind of chronic fatigue, you want to go slow with Intermittent Fasting or wait until your energy is recovered.
And of course, don’t do Intermittent Fasting if you are pregnant, recovering from a major injury or acute illness, or have recently had surgery.
Most importantly, listen to your body and be sure to get guidance if you need help.
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