The Best Weight Loss Subreddits in 2026

Weight loss communities on Reddit offer accountability, practical food ideas, and honest progress stories. Different communities follow different approaches, so pick one that matches yours.

These are the best weight loss subreddits in 2026. None of them replaces medical advice.

Published . Member counts are approximate; activity checked September 25, 2026.

The best weight loss subreddits

  1. 1
    r/loseit4M+ membersVery active · 100+ posts/monthStats →

    Best for: Weight loss

    The main weight loss community, focused on sustainable habits.

  2. 2
    r/CICO290K+ membersVery active · 100+ posts/monthStats →

    Best for: Calorie counting

    Calories in, calories out.

  3. 3
    r/1200isplenty540K+ membersVery active · 100+ posts/monthStats →

    Best for: Low-calorie meals

    Meal ideas for lower calorie targets.

  4. 4
    r/Volumeeating630K+ membersVery active · 100+ posts/monthStats →

    Best for: High-volume foods

    Filling, low-calorie meals.

  5. 5
    r/intermittentfasting940K+ membersVery active · 100+ posts/monthStats →

    Best for: Intermittent fasting

    Fasting schedules and results.

  6. 6
    r/keto3.9M+ membersVery active · 100+ posts/monthStats →

    Best for: Keto

    Ketogenic diet help and recipes.

  7. 7
    r/Mounjaro115K+ membersVery active · 100+ posts/monthStats →

    Best for: Mounjaro

    Experiences with tirzepatide.

  8. 8
    r/Zepbound99K+ membersVery active · 100+ posts/monthStats →

    Best for: Zepbound

    Experiences with Zepbound.

  9. 9
    r/Semaglutide129K+ membersVery active · 100+ posts/monthStats →

    Best for: Semaglutide

    Experiences with semaglutide.

  10. 10
    r/progresspics2.4M+ membersVery active · 100+ posts/monthStats →

    Best for: Motivation

    Before-and-after progress photos.

  11. 11
    r/MealPrepSunday5.5M+ membersVery active · 100+ posts/monthStats →

    Best for: Meal prep

    Batch cooking for the week.

  12. 12
    r/WeightLossAdvice470K+ membersVery active · 100+ posts/monthStats →

    Best for: Advice

    Weight loss questions and help.

Want your own Weight Loss subreddit? Claim a dead one.

The subreddits above are thriving — but for every active community there are dozens of abandoned ones with thousands of subscribers and no active moderators. Reddit lets you take these over through its official r/redditrequest process. DeadSubs scans Reddit in real time to find dead weight loss subreddits you can claim.

Find dead weight losssubreddits →

Looking specifically for abandoned communities to take over? See our guide to dead fitness subreddits or read the step-by-step claiming guide.

Frequently Asked Questions

What is the best weight loss subreddit?

r/loseit is the largest and most supportive general community.

Are there subreddits for GLP-1 medications?

Yes — r/Mounjaro, r/Zepbound, and r/Semaglutide share patient experiences. Always follow your doctor's guidance.

Where can I find low-calorie meal ideas?

r/Volumeeating and r/1200isplenty.

Can I claim a dead fitness or diet subreddit?

Yes. Diet trend subreddits are often abandoned after the trend fades. If all human mods have been inactive for 60+ days, request it via r/redditrequest. DeadSubs finds them.

More Best-Subreddit Lists

Build an audience on Reddit — start with a dead subreddit

Search for free. No account required to browse results.