| Rank | Board name and description | Posts | Members |
|---|
| 1 | Doctissimo.fr
French medical help and health forums | 98185241 | 1456507 |
| 2 | Bodybuilding.com
Bodybuilding and fitness related forums | 25444524 | 1037088 |
| 3 | Low Carb Friends
Low carb diets discussion forum | 7980649 | 71518 |
| 4 | Elite Fitness
Diet and fitness and bodybuilding message boards | 7796138 | 165797 |
| 5 | Wizaz.pl
Women message board (in Polish) | 7198411 | 279520 |
| 6 | Low Carber
Diet and low carb support message boards | 6762609 | 107800 |
| 7 | Student Doctor
Forum for students in the health care industry | 6113599 | 130900 |
| 8 | Health boards
Health and diseases message boards | 3329998 | 429056 |
| 9 | AskMen
Askmen.com (online men magazine) forums | 3030653 | 34990 |
| 10 | Dutch Bodybuilding
Bodybuilding forum (in Dutch) | 2766882 | 49611 |
| 11 | Kolozzeum Forum
Sports and training forums (in swedish) | 2629604 | 27751 |
| 12 | Muscle Talk
Bodybuilding and nutrition forums | 2597147 | 32035 |
| 13 | Allnurses.com
Nurses discussion forums | 2572754 | 256964 |
| 14 | Hyster Sisters
Women community for issues related to GYN diseases and complications | 2346519 | 128967 |
| 15 | Provida
Weight loss and health message boards | 2273636 | 196251 |
| 16 | Bus web board
Discussion board related to self-injury | 2201659 | 11410 |
| 17 | Acne.org Message Boards
Acne problems discussion forum | 2085777 | 67742 |
| 18 | Three Fat Chicks
Weight loss Forum | 1945749 | 85682 |
| 19 | Bodyweb.it
Italian bodybuilding forums | 1897474 | 12924 |
| 20 | Wannabe Big Forums
Bodybuilding message boards | 1896462 | 44803 |
| 21 | Veggie Boards
Vegetarian and vegan message boards | 1870264 | 31904 |
| 22 | Pakkotoisto
Finnish bodybuilding forum | 1866394 | 43978 |
| 23 | Recover your Life
Self Harm discussion and support forume viewable on the page the URL links to. | 1855221 | 10896 |
| 24 | Nedug
Free medical consultation forum (in russian) | 1851089 | 15124 |
| 25 | Steroidology
Bodybuilding and steroids discussion board | 1719812 | 72804 |
| 26 | Beauty Board
Beauty and welness discussion forums (in German) | 1663799 | 7826 |
| 27 | BBS zene
Fitness & bodybuilding forum (in German) | 1648050 | 124209 |
| 28 | Discuss Anything
General discussion forum | 1635594 | 11097 |
| 29 | Tour Magazin
Tour Magazin discussion forum in German | 1490412 | 16828 |
| 30 | Ovusoft
Parenthood and pregnancy message boards | 1462059 | 14908 |
| 31 | Imperium Sportu
Sports message board (in polish) | 1456797 | 39918 |
| 32 | Spankmag
Youth general discussion | 1404767 | 14947 |
| 33 | Cooking Light
Cooking message board | 1353041 | 30989 |
| 34 | Cerco un Bimbo
Fertility discussion forum (in Italian) | 1347551 | 23171 |
| 35 | Anabolic Minds
Nutritional supplements discussion forum | 1261718 | 47411 |
| 36 | GeoParent
Community focussed on family life, parenting and pregnancy | 1206128 | 11085 |
| 37 | She Knows
Pregnancy discussion and advice message boards | 1186786 | 27229 |
| 38 | Iron Magazine
Body building message board | 1145303 | 16972 |
| 39 | Muscle forums
Bodybuilding forums | 1092924 | 14145 |
| 40 | BPAL Madness!
Bpal oils discussion and reviews | 1083565 | 11776 |
| 41 | Sober Recovery
Alcoholism and Addictions help forums | 980293 | 40591 |
| 42 | I am Tan
Indoor tanning forums | 936496 | 8796 |
| 43 | All Deaf
Forum for the deaf and hard of hearing | 931304 | 19571 |
| 44 | Abnehmen
Weight loss forums | 870942 | 20026 |
| 45 | SaniHelp
Health message board (in Italian) | 833993 | 41774 |
| 46 | Dimensions Forums
Dimensions magazine message boards | 781348 | 27130 |
| 47 | ePharmacyWatch
Forum about buying prescription drugs online and telemedicine | 674769 | 117594 |
| 48 | Mauisun
Anti narcotics discussion board | 657117 | 35348 |
| 49 | MiniMins
Weight loss support forum | 635873 | 8011 |
| 50 | Avon - discontinued
General discussion message boards | 635763 | 6169 |
| 51 | PASS support boards
Post abortion support forums | 581038 | 9889 |
| 52 | Badger and Blade
Shaving and razors discussion forums | 579950 | 8279 |
| 53 | Anabolex
Hardcore bodybuilding forums | 533187 | 19025 |
| 54 | Braintalk Communities
Online patient support groups for neurology | 240717 | 26255 |
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