r/HistamineIntolerance is a subreddit with 40k members. The most common kinds of discussions are advice requests and pain & anger, and the community frequently discusses histamine intolerance, struggling, histamine, tired, and diet, and they frequently recommend/review antihistamine, antihistamines, and magnesium.
For questions and information about Histamine Intolerance and other Mast Cell disorders. This subreddit is for research purposes only. Please do not take medical advice from this subreddit. If you have any medical issues please visit a licensed doctor.
Popular Themes in r/HistamineIntolerance
#1
Advice Requests
: "Birth control destroyed my DAO enzyme for 20 years. I was booked for sinus surgery. Here's what actually fixed it."
18 posts
#2
Pain & Anger
: "Allergic to my own progesterone 😵💫"
6 posts
#3
Ideas
: "low histamine meals you are actually excited about?"
1 post
Popular Topics in r/HistamineIntolerance
#1
Histamine Intolerance
: "How to fix Histamine Intolerance"
49 posts
#2
Struggling
22 posts
#3
Histamine
: "For anyone overwhelmed with Histamine intolerance right now"
21 posts
#4
Tired
11 posts
#5
Diet
: "intolerance got way better with more histamine in Diet"
10 posts
#6
Probiotics
: "Probiotic HistaminX"
6 posts
#7
Supplements
: "When do you take DAO Supplements?"
6 posts
#8
Eating
4 posts
#9
Allergies
: "Worsen Allergies and sensitivity before, during and after my period?"
4 posts
#10
Insomnia
: "your histamine Insomnia may not be *histamine* related"
4 posts
Products Discussed in r/HistamineIntolerance
Antihistamine
51 reviews
#1
Allegra
4.0★ from 8 reviews
#2
Claritin
3.4★ from 5 reviews
#3
Zyrtec
4.2★ from 5 reviews
Antihistamines
13 reviews
#1
Loratadine
4.0★ from 4 reviews
#2
Claritin
4.0★ from 2 reviews
#3
Stinging Nettle
5.0★ from 1 review
Magnesium
12 reviews
#1
Magnesium Glycinate
4.0★ from 2 reviews
#2
Magnesium Oxide
4.0★ from 1 review
#3
Tauromag
5.0★ from 1 review
Member Growth in r/HistamineIntolerance
Yearly
+12k members(40.1%)
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About
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Last updated: June 30, 2026