Logo

MediaFast

15 curated communitiesRanked by members

Best Subreddits for Weight Loss (2026): 15 Ranked

Weight loss subreddits in 2026, ranked by members: compare 15 communities by approach, audience, and self-promotion rules before you post. Weight loss subreddits provide science based guidance, community support, and accountability for people working to lose weight in healthy and sustainable ways. These communities cover nutrition, exercise, calorie counting, and the psychological aspects of weight management.

The largest weight loss community on this list is r/EatCheapAndHealthy with 11,400,000 members. 0 of the 15 are rated High for self-promotion, 1 Medium and 14 Low, so check the tolerance column before you post a link. Member counts change daily, so open each community to see the live figure.

26.2M

Combined members

15

Communities

r/EatCheapAndHealthy

Largest

0114

Promo tolerance

The ranking

Top 15 Weight Loss Subreddits, Ranked by Members

Every community on this list, sorted by member count, with its self-promotion tolerance and the content it rewards.

RankSubredditMembersSelf-promoBest content type
#1r/EatCheapAndHealthy11,400,000LowHealthy budget recipes
#2r/keto3,950,000LowKeto recipes and progress updates
#3r/loseit3,800,000LowProgress posts and strategy discussions
#4r/progresspics2,440,000LowBefore and after transformation photos
#5r/intermittentfasting1,000,000LowFasting results and schedule discussions
#6r/volumeeating756,000LowHigh volume, low calorie recipes
#7r/1200isplenty650,000LowLow calorie meals and full day of eating posts
#8r/WeightLossAdvice561,000LowQuick questions and practical answers
#9r/PlantBasedDiet537,000LowPlant based meal ideas and health results
#10r/CICO329,000LowCalorie counting tips and meal ideas
#11r/1500isplenty309,000LowModerate calorie meal ideas
#12r/PetiteFitness274,000LowPetite specific fitness and nutrition tips
#13r/BingeEatingDisorder113,000LowRecovery strategies and peer support
#14r/SuperMorbidlyObese51,500LowEarly journey support and milestone celebrations
#15r/ObesityActionCoalition15,000MediumMedical treatment discussions and advocacy

Read this first

What Marketers Get Wrong About Weight Loss on Reddit

Market context

Weight loss subs are split between calorie counters and lifestyle approaches. Both crowds require concrete data: starting weight, current weight, timeframe, and method.

Common failure mode

Posting before and after without your calorie target, exercise level, and any medication context is dismissed as misleading.

Best post format

Detailed timeline post: starting stats, calorie target, exercise routine, plateaus, current stats with date

Title templates

Post Title Templates That Work in Weight Loss Subreddits

Steal these openers verbatim. Each one mirrors a thread pattern that consistently passes the early-vote filter in weight loss communities.

  1. 1

    “Lost 67 pounds in 14 months. Starting weight 247, current weight 180. Here's the exact calorie approach.”

    Specific start weight, specific end weight, specific duration. r/loseit requires this format to take a progress post seriously. The sub has seen enough vague 'I lost a lot of weight' posts that it now applies a silent quality filter requiring real numbers.

  2. 2

    “Plateau at 1,650 calories for 6 weeks. What I changed and why the scale finally moved.”

    Plateau posts are perennial high-engagement content because every person in a deficit eventually hits one. Specific calorie target + specific duration + resolution = the format that gets saved and upvoted because it is directly actionable.

  3. 3

    “Full day of eating at 1,400 calories, no food scale. How I eyeball portions after three years of counting.”

    Counterintuitive post from a person who has graduated beyond the scale. r/CICO and r/loseit readers at different stages of their journey respond to this because it shows a trajectory, not just a static method.

  4. 4

    “What MyFitnessPal has not been able to log accurately for me, and how I adjusted my estimates.”

    Tool limitation post with a specific named tool. r/loseit respects people who push back on app accuracy rather than trusting it blindly. This signals a practitioner with real experience rather than a newcomer following instructions.

Avoid removals

3 Mistakes That Get Weight Loss Posts Removed

These are the patterns mods in weight loss subs flag fastest. Spot them in your own draft before you hit post.

1

Posting before-and-after photos with no calorie target, exercise level, or timeline

r/loseit moderates progress posts that omit methodology because the sub has been flooded with posts from people selling supplements who post dramatic results with no context. Even genuine transformations get dismissed without the data.

Instead: Use the r/progresspics title format: gender, age, height, starting weight, current weight. Then in the body: calorie target used, exercise approach, total duration, any plateaus encountered. Every variable matters to someone trying to figure out if your approach is replicable for them.

2

Recommending a specific supplement, diet product, or paid app

Weight loss subs universally ban supplement promotion. The history of predatory marketing in this space has made mods aggressive. Even unpaid, genuine recommendations for products that cost money get removed quickly.

Instead: Stick to free and well-understood tools: MyFitnessPal, Cronometer, Eat This Much. If someone asks specifically about a paid tool in a comment, you can answer. Never introduce a paid product as part of a post about your method.

3

Asking for advice without sharing your current intake and activity level

Weight loss subs get flooded with 'why am I not losing weight' posts from people who list no current calories, no exercise frequency, and no current weight. The sub cannot help without this information, and regulars have learned to skip these posts.

Instead: Before posting a stall question, use Cronometer or MyFitnessPal for one week to get your actual intake number, then post that number alongside your TDEE estimate. 'Eating 1,600 calories per day according to two weeks of logging, TDEE estimated at 1,900, losing nothing in 5 weeks, female, 5'4', 163 pounds' is a post the sub can work with.

Founders on Reddit

What Founders Say About Getting Started on Reddit

Real posts from founders using MediaFast to find communities and post without guesswork.

After you find the subreddits

Found your Weight Loss subreddits? Now post without getting removed

A list of subs is step one. MediaFast turns it into a daily plan: which sub, which post, which thread to comment in, all checked against each community's rules.

STEP 1Find the right subredditsSubreddit Picker hand-picks communities from 4,200+ subs where your buyers ask for products like yours.
STEP 2Write posts that stay upPost Generator drafts rule-aware posts, and Comment Finder surfaces the best threads to reply under.
STEP 3Keep the account safeBan-Safe Playbook and a Daily Action Plan tell you what to post, where and when, without tripping filters.
Most founders start here
MediaFast, do it yourselfThe software that plans and drafts your Reddit marketing.
$39a month, or $99 once for lifetime
  • Subreddit Picker from 4,200+ subs
  • Rule-aware Post Generator
  • Ban-Safe Playbook + Daily Action Plan
  • Unlimited projects
Refund if we can't help you market on Reddit
Done for you
Reddit Marketing, Done For YouWe run your Reddit marketing, you build the product.
$499a month
  • We post and comment for you to drive traffic
  • Premium ghostwriting included
  • We manage 1 Reddit account
Monthly, starts with a quick DM
Pro
Reddit Growth, Done For YouReddit as your #1 traffic channel, at scale.
$1,999a month
  • 4-5 warmed-up Reddit accounts working at once
  • We seed your product in the threads buyers read
  • Weekly and monthly traffic reports
  • 200k+ impressions or you don't pay
Monthly, starts with a quick DM

Not sure which one fits? Compare every plan side by side further down this page.

Field note, weight loss subreddits

The person who documented a 100-pound loss in real time across 16 months on r/loseit

Field Note

A user started posting monthly check-ins on r/loseit at 283 pounds with a specific format: weight, calorie target, exercise log, what went wrong that month, and what they were changing. Sixteen months later at 183 pounds, they compiled all 16 posts into a single thread. The compilation post hit 15,000 upvotes and was linked in the r/loseit wiki within a week. The person received 600 DMs. They never promoted anything. Their only profile link was to a free Google Sheet template they had made for tracking monthly data.

Takeaway

Real-time documentation across a long timeline is the format weight loss subs value most. A single before-and-after has one data point. Sixteen monthly posts have sixteen data points and a complete methodology the community can use.

Community by community

How to Post in Each Weight Loss Subreddit

Same order as the ranking above. What each community is about, what it rewards, and one tip before your first post.

1
11,400,000 membersLow Self-Promo

While not weight loss specific, this community excels at healthy, budget friendly recipes that naturally support weight management through whole, nutritious foods.

Best content type

Healthy budget recipes

Posting tip

Include cost per serving and basic nutritional information when sharing healthy budget recipes.

2
3,950,000 membersLow Self-Promo

The largest ketogenic diet community covering low carb, high fat eating for weight loss and health. Includes recipes, science discussion, and progress stories.

Best content type

Keto recipes and progress updates

Posting tip

Include net carb counts when sharing recipes and mention your daily macro targets.

3
3,800,000 membersLow Self-Promo

The largest weight loss community on Reddit focused on sustainable, healthy weight loss through calorie awareness and lifestyle changes. Very supportive and welcoming.

Best content type

Progress posts and strategy discussions

Posting tip

Include your starting weight, current weight, goal weight, and the methods you are using for context.

4
2,440,000 membersLow Self-Promo

A visual transformation community where members share before and after photos of their weight loss journeys. Incredibly motivating and one of the most positive places on Reddit.

Best content type

Before and after transformation photos

Posting tip

Follow the title format with gender, age, height, starting weight, and current weight for consistency.

5
1,000,000 membersLow Self-Promo

Covers all forms of intermittent fasting including 16:8, OMAD, and alternate day fasting. Members share results, meal timing strategies, and fasting tips.

Best content type

Fasting results and schedule discussions

Posting tip

Specify your fasting protocol, eating window, and what you typically eat when sharing your approach.

6
756,000 membersLow Self-Promo

Focused on eating large portions of low calorie dense foods to feel full while losing weight. Shares high volume, low calorie recipes and snack ideas.

Best content type

High volume, low calorie recipes

Posting tip

Show the portion size alongside the calorie count to highlight the volume eating advantage.

7
650,000 membersLow Self-Promo

For people eating around 1200 calories per day, typically shorter or less active women. Shares low calorie recipes, meal plans, and volume eating strategies.

Best content type

Low calorie meals and full day of eating posts

Posting tip

Include calorie counts for each item and the total when sharing meal photos or full day logs.

8
561,000 membersLow Self-Promo

A straightforward advice community for weight loss questions. More focused on getting quick answers than the longer form content on r/loseit.

Best content type

Quick questions and practical answers

Posting tip

Include your current stats, diet approach, and specific question to get the most useful answers.

9
537,000 membersLow Self-Promo

Covers whole food plant based eating which many people use for weight management. Focuses on fruits, vegetables, legumes, and whole grains without processed foods.

Best content type

Plant based meal ideas and health results

Posting tip

Share complete meal plans with protein sources to address common plant based nutrition questions.

10
329,000 membersLow Self-Promo

Dedicated to the Calories In, Calories Out approach to weight loss. Focuses on the fundamental science of energy balance without promoting any specific diet.

Best content type

Calorie counting tips and meal ideas

Posting tip

Share your daily calorie target and examples of meals that keep you satisfied within your budget.

11
309,000 membersLow Self-Promo

Similar to 1200isplenty but for a slightly higher calorie target. More inclusive for taller women and less active men pursuing moderate deficits.

Best content type

Moderate calorie meal ideas

Posting tip

Show how to create satisfying, filling meals within the 1500 calorie daily range.

12
274,000 membersLow Self-Promo

Covers fitness and weight loss specifically for shorter individuals who have lower calorie needs and different body composition goals.

Best content type

Petite specific fitness and nutrition tips

Posting tip

Include your height when sharing advice as calorie and exercise needs vary significantly by stature.

13
113,000 membersLow Self-Promo

A support community for people struggling with binge eating disorder. Focuses on recovery, understanding triggers, and building a healthier relationship with food.

Best content type

Recovery strategies and peer support

Posting tip

Focus on emotional support and recovery rather than calorie counts, which can be triggering.

14
51,500 membersLow Self-Promo

A safe and supportive space for people starting their weight loss journey at very high weights. Focuses on the unique challenges of significant weight loss.

Best content type

Early journey support and milestone celebrations

Posting tip

Be extra compassionate and recognize that every small step is significant at higher starting weights.

15
15,000 membersMedium Self-Promo

A smaller community focused on obesity as a medical condition, covering treatment options, advocacy, and reducing weight stigma in healthcare.

Best content type

Medical treatment discussions and advocacy

Posting tip

Approach weight loss as a health issue and be respectful of different treatment approaches including medical interventions.

Self-promotion

Understanding Self-Promotion Tolerance

Each subreddit has its own culture around self-promotion. Knowing the tolerance level before posting helps you avoid bans and build genuine credibility.

High Tolerance

These communities welcome product mentions and project sharing as long as you follow subreddit rules. You can include links to your product in posts and comments, but genuine value should still come first.

On this list (0)

None of the 15 communities.

Medium Tolerance

Self-promotion is allowed in specific threads or under certain conditions (like designated weekly threads). Read the sidebar rules carefully. Build some post history before sharing your own products or content.

On this list (1)

r/ObesityActionCoalition

Low Tolerance

These subreddits strictly prohibit self-promotion. Focus on providing value through comments and educational posts. Build karma and credibility first. Mention your product only when directly asked for recommendations.

On this list (14)

r/EatCheapAndHealthyr/ketor/loseitr/progresspicsr/intermittentfastingr/volumeeatingr/1200isplentyr/WeightLossAdvicer/PlantBasedDietr/CICOr/1500isplentyr/PetiteFitnessr/BingeEatingDisorderr/SuperMorbidlyObese

Go further

Find Even More Subreddits for Your Weight Loss Product

This list covers the top communities, but there are hundreds more niche subreddits where your target audience hangs out. The subreddit finder from MediaFast analyzes your product and matches you with the most relevant communities, including hidden gems most marketers miss.

Related lists

Explore Related Subreddit Lists

Watch

Watch Before You Post in Weight Loss Communities

An overview of the self improvement side of Reddit, covering communities for habits, discipline, health, and personal growth. Watch "Best SELF-IMPROVEMENT Subreddits On Reddit" by Online Tech Tips.

Video by Online Tech Tips on YouTube

See where Weight Loss communities are most active

Get audience-neutral notes on what weight loss communities upvote, when they are active, and how to find conversations worth joining.

Free. No spam. Unsubscribe in one click.

REDDIT MARKETING TOOL PRICING

Your customers are already on Reddit. Go get them.

They are asking for a product like yours on Reddit right now. The only question is whether they find you or your competitor.

    MediaFast Monthly
    Reddit marketing, 1 month
$39 usda month
  • Ban-Safe Playbook: rule-checked plan that keeps your account alive
  • Unlimited projects: one plan for every product you run
  • Daily Action Plan: what to post and when
  • Subreddit Picker: hand-picked from 4,200+ subs
  • Post Generator: rule-aware drafts in one click
  • Comment Finder: best threads to reply under
  • Founder Community: chat with founders growing on Reddit
BEST VALUE
    MediaFast Package
    Lifetime Reddit marketing
$99 usd

EVERYTHING IN MONTHLY, PLUS

  • Mention Tracking: see when Reddit starts talking about you
  • Team seats: add teammates and VAs
  • Unlimited Roadmaps: generate as many as you need
  • Future Updates: every new feature, free
  • Pays for itself: in ~3 months vs monthly
  • One Payment: no subscription, no renewals
  • Priority Support: 1-on-1 help when stuck
  • Founder Onboarding: kickoff strategy call
  • Early Access: new features before anyone else

If we can't help you market on Reddit, we'll refund you. No questions asked.

Weight Loss Subreddits FAQ

12 questions about finding and using the best weight loss communities on Reddit.

r/EatCheapAndHealthy is the largest community on this list with 11,400,000 members. While not weight loss specific, this community excels at healthy, budget friendly recipes that naturally support weight management through whole, nutritious foods.

This list ranks 15 weight loss subreddits by member count, from r/EatCheapAndHealthy (11,400,000 members) down to r/ObesityActionCoalition (15,000 members). Together they add up to 26,185,500 members, counted per community, so people who joined several are counted more than once.

Here is how the 15 communities on this list rate for self-promotion. Medium tolerance (designated threads or conditions): r/ObesityActionCoalition. Low tolerance (no self-promotion): r/EatCheapAndHealthy, r/keto, r/loseit, r/progresspics, r/intermittentfasting, r/volumeeating, r/1200isplenty, r/WeightLossAdvice, r/PlantBasedDiet, r/CICO, r/1500isplenty, r/PetiteFitness, r/BingeEatingDisorder and r/SuperMorbidlyObese. Rules change, so read each subreddit's sidebar and pinned posts before you share a link.

Start with r/ObesityActionCoalition. Among the communities on this list with the most room for self-promotion (rated Medium), it is the largest, with 15,000 members. What works there: Medical treatment discussions and advocacy. Posting tip: Approach weight loss as a health issue and be respectful of different treatment approaches including medical interventions.

Detailed timeline post: starting stats, calorie target, exercise routine, plateaus, current stats with date. Each community still rewards something slightly different. The three largest on this list: r/EatCheapAndHealthy (Healthy budget recipes); r/keto (Keto recipes and progress updates); r/loseit (Progress posts and strategy discussions).

Posting before and after without your calorie target, exercise level, and any medication context is dismissed as misleading. The patterns moderators flag fastest: Posting before-and-after photos with no calorie target, exercise level, or timeline; Recommending a specific supplement, diet product, or paid app; Asking for advice without sharing your current intake and activity level.

This page lists 4 title templates for weight loss communities. Two examples, "Lost 67 pounds in 14 months. Starting weight 247, current weight 180. Here's the exact calorie approach." and "Plateau at 1,650 calories for 6 weeks. What I changed and why the scale finally moved.", show the pattern. Why the first one works: Specific start weight, specific end weight, specific duration. r/loseit requires this format to take a progress post seriously. The sub has seen enough vague 'I lost a lot of weight' posts that it now applies a silent quality filter requiring real numbers.

r/loseit is the best starting point because it welcomes all experience levels and focuses on sustainable, healthy approaches. The community quick start guide explains calorie counting basics and how to set realistic goals. r/CICO is also excellent for understanding the fundamental science behind weight loss.

No, weight loss fundamentally comes down to consuming fewer calories than you burn, which r/CICO explains well. Specific diets like keto or intermittent fasting are tools that help some people maintain a calorie deficit more easily. The best diet is the one you can stick to long term, so explore different approaches and find what works for your lifestyle.

Research and community experience suggest that progress photos are highly motivating for most people when shared in supportive environments like r/progresspics. However, they can be triggering for people with eating disorders, which is why dedicated ED recovery spaces often avoid them. Know your own triggers and choose communities accordingly.

Weight loss subreddits universally prohibit promotion of supplements, diet pills, and weight loss products. These communities focus on evidence based methods like calorie management and exercise. Promoting products will result in post removal and likely a ban, as the communities prioritize protecting members from ineffective or dangerous products.

For most people yes, because the volume and the moderation are both higher. r/loseit alone gets more daily posts than most standalone weight loss forums see in a month, and the science focused subs remove unsourced claims fast. Traditional forums still win on one thing: long running progress threads that stay readable for years. A reasonable setup is to use the subreddits for daily accountability and questions, and a forum thread if you want one continuous log.

Goal-Based Reddit Guides

If you are here to promote a product, use a rules-first playbook built for the kind of offer you are taking to Reddit.

Promote a SaaS on Reddit

Connect your weight loss content with the communities that take data seriously

MediaFast identifies which weight loss and nutrition subs match your specific approach (CICO, keto, IF, volume eating) and formats your posts to meet the exact data requirements each community enforces.

No time to do Reddit yourself?

A buyer asks Reddit for the best tool in your niche and your product is not in the thread. MediaFast finds your subreddits, drafts rule-safe posts and comments, and minimizes ban risk. The next time buyers ask, the top comment recommends your product and a signup lands.
mediafa.st / autopilot
MediaFast autopilot
Your product, marketed on Reddit
Working now
reddit.com/r/SaaS
r/SaaS • u/buyer • 2h
Find. Draft. Post. No bans.
Put it on autopilot