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r/decaf↗

Caffeine free since...

A subreddit for people who are dependent or addicted to caffeine and are trying to quit or cut down. We have "caffeine-free" day counters.

66k subscribers372 posts / mo in Sep 2026293 authors / mosince 2012

r/decaf has 66k members (+22% over the last 12 months). It gets about 372 posts a month from 293 people. Top topics: Caffeine Facts & Effects, Energy Drinks Health Concerns and Morning Coffee.

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When to post on r/decaf

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Size and growth

How r/decaf has grown

r/decaf

Subscriber growth

Subscribers over time

+22%in 12 months · +4.6% in 3 months · +1.5% in 1 month
Oct 202665k
Growing65k subscribers
Data since Mar 2018Live · through Oct 2026
r/decaf

Monthly activity

Posts, comments and authors per month

+8.8%vs Sep 2025 · +2.9% last 3 months vs the 3 before
Sep 2026372
BusierPeaked at 495 in Jan 2024
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/decaf

Top topics

Share of the subreddit's posts

  1. Caffeine Facts & Effects0.7%
  2. Energy Drinks Health Concerns0.1%
  3. Morning Coffee0.1%
  4. Morning Coffee<0.1%
  5. Coffee Morning Cups<0.1%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. Apple
  2. Nature
  3. PsyPost
  4. ScienceDirect
  5. Springer

The full report

Everything else about r/decaf

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