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r/diabetes↗

For humans living with diabetes: discussion, issues, and news.

170k subscribers892 posts / mo in Sep 2026 (incl. <1% by known bots)738 authors / mosince 2008

r/diabetes has 170k members (+13% over the last 12 months). It gets about 892 posts a month from 738 people. Top topics: CGM Sensors and Issues, Diabetes & Food and DietSodasAndZeros.

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When to post on r/diabetes

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Size and growth

How r/diabetes has grown

r/diabetes

Subscriber growth

Subscribers over time

+13%in 12 months · +2.4% in 3 months · +0.7% in 1 month
Oct 2026170k
Growing170k subscribers
Data since Mar 2018Live · through Oct 2026
r/diabetes

Monthly activity

Posts, comments and authors per month

−28%vs Sep 2025 · −18% last 3 months vs the 3 before
Sep 2026892
QuieterPeaked at 1.6k in May 2024
Sep 2026: incl. <1% by known botsData through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/diabetes

Top topics

Share of the subreddit's posts

  1. CGM Sensors and Issues0.4%
  2. Diabetes & Food0.4%
  3. DietSodasAndZeros0.2%
  4. Nurse Mistakes & Errors0.1%
  5. Pledging & Hazing<0.1%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Reddit Help
  2. Diatribe
  3. Zendesk
  4. Salesforce
  5. FreeStyle Libre US

The full report

Everything else about r/diabetes

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research