Bodybuilding
For lifters and physique athletes.
Communities for bodybuilders and strength athletes at every level, from beginners learning the basics to competitive athletes prepping for shows. Discussion covers training splits, nutrition, supplementation, contest prep, and the science of hypertrophy.
Communities

A massive community for all things physical fitness. Excellent for beginners and advanced lifters alike, with extensive wikis and daily discussion threads.

The premier Reddit community for bodybuilding. Discussions on training, nutrition, supplementation, and contest prep. Includes news, articles, personal progress, and advice for all levels.

Dedicated to the sport of powerlifting. Discussions on the big three lifts (squat, bench, deadlift), training protocols, and competition prep.
Authoritative forum for serious lifters. Features insights from leading experts in strength, power, and bodybuilding along with a very active community.

A place to share physique transformations and progress photos. Highly motivating community for tracking gains and receiving feedback.

Based on the LeanGains method by Martin Berkhan. Focuses on intermittent fasting and heavy compound lifting for building muscle while staying lean.
Top resource for discussions on bodybuilding supplements, natural bodybuilding, training, and nutrition. Very active community with extensive logs.

The official subreddit community for the Youtube channel More Plates More Dates.

A community dedicated to drug-free muscle building. Discussions focus on diet, workout routines, supplement reviews, and physique critiques for natural lifters.
Technical and deep-dive discussions on strength training, powerlifting, and bodybuilding from world-class coaches and athletes.
A supportive community offering guidance on building muscle, losing fat, and improving overall physique with expert advice and user logs.

Subreddit focused specifically on muscle hypertrophy. Science-based discussions on training volume, frequency, and techniques for maximizing growth.
Established source for bodybuilding news, events, and gossip. Known for industry discussions and competitive bodybuilding coverage.
Long-standing community for discussions on weight training, muscle building, and professional events. Covers both amateur and pro bodybuilding.
Dedicated forum for discussions on muscle gain, strength, fat loss, and professional bodybuilding. Active since 2001.

A dedicated space for women in bodybuilding. Discussions on training, nutrition, lifestyle, and competition specifically for female athletes.

One of the largest gym communities on Discord. A fun and encouraging environment for self-improvement and fitness advice with thousands of members.

OSX Free is a Skool community focused on bodybuilding and related topics.

The RYM Method Free Community is a Skool community focused on bodybuilding and related topics.

Minimalist Training Lite is a Skool community focused on bodybuilding and related topics.

Leon Edwards Crew is a Skool community focused on bodybuilding and related topics.

Built For More Free Community is a Skool community focused on bodybuilding and related topics.

Focuses on physique development through joint mobility and tissue-specific training to build a body that lasts.

Evidence-based education on various aspects of physique development, including training, nutrition, and pharmacology.
The Bodybuilding.com forums are a long-standing online community for health and fitness enthusiasts to share tips, workouts, and motivation.