Best Health & Mental Health Subreddits
Health and mental-health subreddits for peer support around ADHD, anxiety, depression, autism, chronic illness, sobriety and meditation, plus communities for medical professionals.
We list 36 health & mental health subreddits with about 33.8M subscriptions between them. The median one has 496K members, and the biggest, r/MakeupAddiction, has 7.2M.
Tip: These are peer-support communities and can't replace professional care. In a crisis, contact local emergency services or a crisis line.
| # | Subreddit | Members | What it’s about |
|---|---|---|---|
| 1 | r/MakeupAddiction | 7.2M | The subreddit for everything makeup related. |
| 2 | r/SkincareAddiction | 4.8M | The place for all things related to skincare, with a science-based approach. |
| 3 | r/Meditation | 3.5M | This community is for sharing experiences, stories and instruction relating to the practice of meditation. |
| 4 | r/ADHD | 2.1M | We're an inclusive, disability-oriented peer support group for people with ADHD with an emphasis on science-backed information. Share your stories, struggles, and… |
| 5 | r/Skincare_Addiction | 2M | This sub is a relaxed community to discuss skincare products and routines. Do NOT ask us to diagnose your acne/skin condition or advise on how to treat it. This is not a… |
| 6 | r/2meirl4meirl | 1.5M | For relatable posts that are too real for /r/meirl or /r/me_irl. Meaning jokes/posts about mental health issues and self deprecating humour. |
| 7 | r/depression | 1.1M | Peer support for anyone struggling with a depressive disorder |
| 8 | r/nursing | 1.1M | Please read the RULES of /r/nursing 1. No medical advice. Requesting or providing will both result in a ban. 2. |
| 9 | r/intermittentfasting | 962K | Intermittent Fasting (IF) is way of eating that restricts when you eat, usually on a daily or weekly schedule. People engage in IF to reap the many benefits to health… |
| 10 | r/premed | 901K | Reddit's home for wholesome discussion related to pre-medical studies. |
| 11 | r/AskOldPeople | 823K | We are not a personal advice, health, or mental health sub. Please only respond directly to posts if you were born on or before 1980. |
| 12 | r/Anxiety | 778K | Discussion and support for sufferers and loved ones with anxiety conditions. Please look over the rules before posting to the subreddit. |
| 13 | r/AskDocs | 714K | Having a medical issue? Ask a doctor or medical professional on Reddit! All flaired medical professionals on this subreddit are verified by the mods. |
| 14 | r/sleep | 643K | Good sleep is essential for our health and happiness. Find and strengthen your best habits and help others improve theirs. |
| 15 | r/stopdrinking | 598K | This subreddit is a place to motivate each other to control or stop drinking. |
| 16 | r/mentalhealth | 555K | The mental health subreddit is the central forum to discuss, vent, support and share information about mental health, illness and wellness. |
| 17 | r/medicine | 521K | r/medicine is a virtual lounge for physicians and other medical professionals from around the world to talk about the latest advances, controversies, ask questions of… |
| 18 | r/SkincareAddictionUK | 515K | A UK focused skincare subreddit. |
| 19 | r/autism | 478K | Autism news, information and support. Please feel free to submit articles to enhance the knowledge, acceptance, understanding and research of Autism and ASD. |
| 20 | r/Supplements | 459K | A subreddit designed for discussion of supplements and nutraceuticals; for health, performance, or any intended (or not intended) purpose. Not a place for discussion of… |
| 21 | r/socialanxiety | 444K | Social Anxiety is a mental illness characterised by distress in social situations which cause impaired functioning in daily life. Distress is triggered by perceived or… |
| 22 | r/OCD | 274K | A subreddit dedicated to discussion, articles, and support regarding OCD. Please read below for more information and resources about about OCD and the subreddit. |
| 23 | r/AutismInWomen | 223K | A community for autists that are not cisgender males. We discuss the struggles, triumphs, and mundane life events that come with our autistic experience. We're LGBTQIA+… |
| 24 | r/Testosterone | 198K | This subreddit is for questions and discussion related to testosterone replacement therapy and testosterone. |
| 25 | r/ems | 189K | /r/EMS is a subreddit for medical first responders to hang out and discuss anything related to emergency medical services. |
| 26 | r/YUROP | 179K | YUROP is a shrine to the awesomeness of the continent, islands, regions, member and non-member states of Her Greatest Europa, the progressive Union of Peace, home of the… |
| 27 | r/StudentNurse | 178K | Practically anything and everything related to nursing school. |
| 28 | r/therapists | 166K | A supportive international community for therapists, social workers, counselors, psychologists, and other associated professionals to gather, discuss, and gain… |
| 29 | r/diabetes | 146K | For humans living with diabetes: discussion, issues, and news. |
| 30 | r/Healthygamergg | 146K | Welcome to HealthyGamerGG’s subreddit! Post about mental health, lifestyle, spirituality, or other adjacent topics for community discussion. |
| 31 | r/DoctorWhumour | 141K | A subreddit for all lighthearted Doctor Who related content and discussion :) |
| 32 | r/Mattress | 116K | A place to discuss anything to do with mattresses, mattress accessories, or other sleep technologies. No affiliate links. |
| 33 | r/Daniellarson | 90K | Welcome to the official Daniel Larson subreddit. THERE IS CURRENTLY A CELEBRITY IN A MENTAL INSTITUTION. Stay tuned |
| 34 | r/PokemonSleep | 75K | Rest your very best! Pokémon Sleep is a sleep app that gives you something fun to look forward to when you wake up in the morning. |
| 35 | r/anesthesiology | 59K | Anesthesiology: Keeping Patients Safe, Asleep, and Comfortable. Subreddit for the medical specialty dedicated to perioperative medicine, pain management, and critical… |
| 36 | r/doctorsUK | 58K | A community for UK-based doctors to chat about their experiences, share articles and hang out. Medical advice is not to be sought here. |
Member counts were recorded in July 2025 and are shown as a size guide; current numbers may differ.
Frequently asked questions
What is the biggest health & mental health subreddit?
Of the subreddits on this list, r/MakeupAddiction is the largest with about 7,170,927 members, followed by r/SkincareAddiction with 4,811,047.
Are there smaller health & mental health subreddits?
Yes. If the big subreddits feel too busy, try r/doctorsUK (58K), r/anesthesiology (59K), r/PokemonSleep (75K). They are the smallest communities on this page.
How is this list ordered?
The 36 health & mental health subreddits are sorted by subscriber count (July 2025). A subreddit is included when its name or sidebar description is about health & mental health, so some also appear under Fashion & Beauty, Advice & Discussion.