r/ketoscience

Updated 2026-10-24

r/ketoscience is a Fitness & Health community on Reddit with 541,966 members, ranking #30 of 1,098 in Fitness & Health. r/KetoScience is dedicated to being the center for online discussion on the latest scientific discoveries in the broad and expanding role of the ketogenic diet in reversing chronic disease. We post RCTs, prospective cohorts, epidemiology, and case studies and discuss the pro's and con's of each. We discuss type 2 diabetes, gout, Alzheimer's, mild cognitive impairment, obesity, epilepsy, mental ill

541,966 membersFitness & Health#30 in category
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How big is r/ketoscience?

Created in 2012, r/ketoscience has had over a decade to grow and is a large community by Reddit standards. Within Fitness & Health it ranks #30 of 1,098 communities we track — the top 2.7% of the category by subscriber count. That puts it about 943× the median Fitness & Health subreddit, which has 575 members. It is a work-safe community with no 18+ flag on Reddit.

For scale, the largest Fitness & Health community we track is r/Fitness with 12,552,533 members — roughly 23 times the size of r/ketoscience. Reddit itself launched in 2005, so a subreddit created in 2012 sits in the middle wave of community building on the platform. Subscriber counts indicate reach, not activity — a large community can be quiet, and a smaller one busy. Open r/ketoscience on Reddit to see how often people actually post before deciding whether it is worth joining.

Members541,966
CategoryFitness & Health
Rank in category#30 of 1,098
Created2012
Category median size575 members
Content ratingWork-safe (SFW)

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Subscriber counts come from the public Reddit API and are refreshed when this directory is rebuilt. Redditory is not affiliated with Reddit Inc.

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