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r/HistamineIntolerance PUBLIC

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.

40,940 members
Created: Jan 2015
Language: EN
NEGATIVE SENTIMENT
Last analyzed: May 13, 2026 00:00
Marketing Summary

r/HistamineIntolerance is a PUBLIC community on Reddit with over 40,940 members. It currently has a negative sentiment with an engagement rate of 3.2%. With a community friendliness score of 30, this subreddit presents a high conversion potential for authentic brand participation. Strict rules against self-promotion are in place, so marketing should focus strictly on value-driven community engagement.

30
Friendliness Score
3.2%
Engagement Rate
100
Conversion Potential
2.0%
Monthly Growth
Marketing Analytics
9.6
Avg Post Score
13.8
Avg Comments
25
Brand Mentions
0
Posts/Hour
Top Post Types
text 100.0% (50)
Peak Activity Hours
Times shown in UTC (Coordinated Universal Time) Local times are automatically converted based on your browser's timezone
12AM UTC
High
~30 active
Community Culture
Community Sentiment NEGATIVE
Friendliness Score: 30/100
14.4K
Avg User Karma of Top Posts
30%
Commercial Acceptance
Content Preferences
Moderation Patterns
Rules & Compliance
4
Total Rules
Images
Videos
Self Promotion
Require Flairs
Public
Posting Requirements & Restrictions
No limit
Minimum Karma
No limit
Min Account Age (days)
ANY
Submission Type
Enabled
Flair System
Subreddit Rules
  1. No Commercial Interest: This subreddit is not for self-promotion or commercial activity. Do not post links to apps, promote services, advertise YouTube channels, share referral links, or engage in any other form of marketing. Posts that appear to be promotional will be removed and users will be banned.
  2. No Self-promotion
  3. promotion of Apps, services, subreddits etc, even if they're claimed to be free
  4. No posts/ comments written by A.I
  5. posts or comments that were written by A.I allowed.
  6. English Only: Please ensure all posts and comments are in English so that members are able to understand and so that moderators are able to moderate effectively.
Marketing Data Updated
May 13, 2026
Rules Updated
Jul 18, 2026
Compliance Updated
Jul 18, 2026

What is r/HistamineIntolerance?

r/HistamineIntolerance is a public Reddit community created in January 2015 with over 40,940 members. 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.

The community has a negative sentiment and an engagement rate of 3.2%. With a friendliness score of 30, it is considered very welcoming to new members.

Self-promotion is not allowed, so marketing efforts should focus on providing genuine value to the community.

Frequently Asked Questions about r/HistamineIntolerance

r/HistamineIntolerance is a public Reddit community with 40,940 members. 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.

With a conversion potential of 100 and an engagement rate of 3.2%, r/HistamineIntolerance presents a strong opportunity for authentic brand participation. Self-promotion is not allowed, so focus on providing genuine value to the community.

r/HistamineIntolerance has 4 community rules.

r/HistamineIntolerance has an engagement rate of 3.2% with an average post score of 9.6 and an average of 13.8 comments per post. The community sentiment is negative with a friendliness score of 30 out of 10.
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