Subreddits for Diet

FAQ

What are Diet subreddits?

Communities for people working on their eating habits, whether that is keto, intermittent fasting, veganism, or just trying to eat better. Reddit has some of the largest and most active communities, with Facebook groups and Discord servers for more specific dietary approaches and accountability check-ins. This page focuses on communities hosted on Reddit, so you can compare their size, features, reviews, and access requirements in one place.

What are the most popular diet subreddits on Hive Index?

r/Supplements, r/Mounjaro, r/tirzepatidecompound, and r/Semaglutide are among the most popular diet subreddits in the Hive Index directory of communities, based on visitor interest on Hive Index. This is not a universal quality score. You can also compare listings by review scores, member counts, and listing age on Hive Index.

Are diet subreddits free to join?

All 6 listings in the Hive Index directory of communities are marked as free to join. Popular examples include r/Supplements, r/Mounjaro, r/tirzepatidecompound, and r/Semaglutide. Access rules can still change on the community side.

What features do these subreddits include?

Forum is the most common feature (100% of listings).

How large are diet subreddits?

Hive Index lists 6 diet subreddits in the Hive Index directory of communities. The largest include r/EatCheapAndHealthy (11.5M members), r/Supplements (624K members), and r/Mounjaro (208K members). Median reported size is about 207K members (6 listings with member data). We only have a handful of listings so far, so treat these numbers as directional.

How do I join a Diet community on Reddit?

Browse listings in the Hive Index directory of communities, open a community that fits your needs, and follow its join link to Reddit. Some communities may require an application or paid membership, which is shown on the listing when known.

How do I grow my Diet community on Reddit?

List your Diet community on Reddit for free on Hive Index to reach people already searching for Diet subreddits. Paid promotion can feature your community more prominently across relevant pages and send more qualified visitors to your listing.

How does Hive Index collect and rank listings?

Listings are submitted by community builders and researchers, reviewed for topic relevance, and updated with platform, feature, member, review, and traffic data where available. Member counts are approximate. Popular reflects visitor interest in the Hive Index directory of communities, with richer profiles breaking ties. Ratings, Largest, and Newest use review scores, reported member counts, and listing age instead. These listings in the Hive Index directory of communities were last updated 6/5/2026.