r/Biohackers
Biohackers - DIY Biology, Nutrigenomics, and Grinding
Founded November 2012 · Public — anyone can post
Welcome to r/Biohackers. This community is designed for individuals interested in DIY biology, sometimes referred to as biohacking. It focuses on DIY biology, Pharmacology, and Grinding techniques. Members can collaborate, share knowledge, and explore topics such as genetic engineering, experimental pharmacology, life extension, longevity, supplements, nootropics, sleep, fitness, and transhumanism. This space encourages scientific inquiry and experimentation in accessible, hands-on ways.
Members
898,878
899K
Online now
—
not captured in the last snapshot
Posts per day
—
no sample yet
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
+2.2%
+19K members · ≈35d
Published rules
10
3 mention promotion — quoted below
Last post
—
no sample yet
Distinct posters
—
no sample yet
Tracking since Aug 5 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
What works in r/Biohackers
Every post in a recent sample, labelled by format. Share is how much of the sample used that format; average score is how it performed.
| Format | Share of posts | Avg score |
|---|---|---|
| Question | 30% | 102 |
| Lessons / story | 25% | 1,462 |
| News / link | 19% | 1,169 |
| Discussion | 15% | 1,077 |
| Show & tell | 7% | 1,623 |
| Rant | 4% | 1,813 |
Based on 73 posts sampled in September 2026. A sample, not the full history.
- Median score
- 285
- Top 10% score
- 2,134
- Text posts
- 51%
- Got no replies
- 0%
- Busiest windows
- Sat 16:00 UTC, Sat 17:00 UTC
Posting rules, in plain words
Self-promotion is banned. Promotion goes in peptides/HRT topics as well as adverse events and vendor scam reporting (dedicated megathreads).
- No Sourcing, Selling, or Promotion: No vendor talk, sourcing help, discount codes, affiliate links, DMs for product, or “where to buy.” External links require a substantive summary.
- Megathread topics: We have dedicated megathreads for peptides/HRT topics as well as adverse events and vendor scam reporting. These allow us to consolidate these topics and keep the sub clean. Standalone posts will be removed.
- Evidence, Claims, and N=1: If you claim something “works,” include credible sources or clearly label it as personal experience. No pseudoscience, no certainty beyond the evidence, and label self-experiments as N=1.
- Stay On Topic & Quality Content: This is a sub for experimental self-optimization and applied bio-science. Keep posts on topic and detailed. The more effort you put into your content, the better responses you will get.
Quoted from the community’s own published rules. Always re-read them before posting.
What a good comment looks like here
- — Directly answers the question or addresses the post's topic
- — Shares personal experience (N=1) with specific details (doses, duration, results)
- — Provides actionable advice or alternative perspectives
- — Cites scientific literature or explains complex concepts clearly
- — Engages in critical discussion about claims and evidence
What r/Biohackers's rules say about promotion
3 of 10 published rules mention promotion, advertising or spam. Quoted from the community's own rules page, not summarised.
No Sourcing, Selling, or Promotion
rule 5 of 10
No vendor talk, sourcing help, discount codes, affiliate links, DMs for product, or “where to buy.” External links require a substantive summary.
Megathread topics
rule 9 of 10
We have dedicated megathreads for peptides/HRT topics as well as adverse events and vendor scam reporting. These allow us to consolidate these topics and keep the sub clean. Standalone posts will be removed.
Legal Disclaimer (Please Read)
rule 10 of 10
By viewing this subreddit, you agree that no affiliate, moderator, or member of the r/Biohackers community is responsible for any actions you take as a result of information shared here. All content is for educational purposes only and should not be considered medical advice. Any decisions you make are done solely at your own risk and liability. Always consult a qualified healthcare professional before making changes to your health or using experimental interventions.
The other 7
- Be Respectful
- No Direct Medical Advice
- Evidence, Claims, and N=1
- Safety and Harm Reduction Required
- Stay On Topic & Quality Content
- Minors and Age-Sensitive Content
- AI Use
Read from r/Biohackers’s published rules on Sep 5. Communities change their rules without notice and enforce requirements (karma, account age, flair) that may live in the sidebar or automod rather than here — the source page is the authority.
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Shared audience
Posters in r/Biohackers also post in…
Research and discussion on nootropics and cognitive enhancers.
Self tracking applications, tools, news, etc.
READ THE RULES BEFORE POSTING! Welcome to the International Biohacking Community Subreddit by Josh Universe, a community dedicated to exploring the world of biohacking and transhumanism and increasing human potential through science and technology. Whether you're interested in enhancing cognitive function, improving performance through peptide research, extending your lifespan, or delving into cutting-edge technologies like CRISPR or gene therapy this is the place to share knowledge and ideas.
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See the full lists on similar subreddits.
r/Biohackers — frequently asked
How many members does r/Biohackers have?
r/Biohackers has 898,878 members as of our most recent crawl on Sep 9. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/Biohackers growing?
Over the last ≈35 days r/Biohackers changed by +2.2% — a gain of 19K members. We compare against the nearest snapshot we actually hold and state the real span rather than rounding it to a clean "30 days".
How active is r/Biohackers?
We don't have a reliable posting-rate sample for r/Biohackers yet. Subscriber count alone is a poor guide to whether a community is active, so treat this one as unverified until the next sample lands.
When was r/Biohackers created?
r/Biohackers was founded in November 2012 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Can I promote my product in r/Biohackers?
r/Biohackers publishes 10 rules and 3 of them address promotion. The first, “No Sourcing, Selling, or Promotion”, says: No vendor talk, sourcing help, discount codes, affiliate links, DMs for product, or “where to buy.” External links require a substantive summary. Read the full rule text on this page and the community's rules page before posting — moderator enforcement is the thing that actually decides.
How do I monitor r/Biohackers for mentions?
Hit Watch on this page. Prowlo starts crawling r/Biohackers into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/Biohackers's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/Biohackers's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
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