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r/nutrition

A subreddit for the discussion of nutrition science. Macronutrients, micronutrients, vitamins, diets, and nutrition news are among the many topics discussed. Civil discourse is required.

data updated 2026-07-26

5.9Mmembers
18 yrscommunity age
10/10nichory signal

No self-promotion auto-detected from community rules — always read the full rules before posting. Rules explicitly prohibit self-promotion or advertising.

Visit r/nutrition Read the rules More Fitness & Health communities

Our read on r/nutrition

r/nutrition is the 2nd largest of the 18 communities we track in Fitness & Health, with 5.9M members. That is about 47% the size of the niche's biggest community, r/Fitness. Across Nichory's full directory of 363 communities it ranks 36th by member count.

At around 18 years old it is a long-established community. Older subreddits usually have settled rules, active moderation and high trust — but also years of archived posts, so a question that has been asked before will be sent to the search bar. Bring a specific angle.

Its Nichory signal score is 10/10 — our blend of audience size and how fast the community has grown per year. Scores this high mean an active audience that is worth writing for properly.

Our rules analysis flags this community as prohibiting self-promotion. Posting a link to your own product here is the fastest way to get removed or banned. Treat it as a place to build a reputation by answering questions well — your profile does the selling for you.

Rules we found for r/nutrition

Collected from the community's published rules page. Titles only — open the full rules for the detail, and note they can change at any time.

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r/Fitness 12.6Mr/strength_training 5Mr/bodyweightfitness 4.8Mr/running 4.2Mr/loseit 4.2Mr/keto 4Mr/HealthyFood 3.5Mr/yoga 3.4Mr/xxfitness 3.1Mr/beginnerfitness 3Mr/crossfit 1.8Mr/homegym 1.2Mr/GYM 1.2Mr/intermittentfasting 1Mr/mentalhealth 682.9kr/workout 611.2kr/gainit 480.2k
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