r/biohacking

Community Overview
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reddit.com/r/biohacking/
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About r/biohacking

Welcome to r/biohacking by Josh Universe, a community dedicated to exploring the exciting world of biohacking and pushing the boundaries of human potential through scientific advancements and self-optimization. Whether you're interested in enhancing cognitive function, improving physical performance through peptide research, extending your lifespan, or delving into cutting-edge technologies like CRISPR, this is the place to share knowledge, experiences, and ideas.

The community at a glance

r/biohacking is a Subreddit for Quantified Self Trackers and Longevity Enthusiasts with roughly 115K members. It has been around since 2011. It uses a forum format for communication. On the Hive Index it ranks #10 in the Quantified Self communities list. It is the 6th largest community in the Longevity topic page.

Roughly 102K members have joined in the past year. Popular discussion topics include Reta, Ghk Cu, and Dose. Common discussion themes are Advice Requests and Solution Requests.

On Reddit
Established 2011
115K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +102K members
Growth: +832.6% / year

Member growth over time

All time (yearly)

  • 2024: 2K members
  • 2025: 14K members
  • 2026: 98K members

Past year (monthly)

  • Oct: 714 members
  • Nov: 1K members
  • Dec: 1K members
  • Jan: 1K members
  • Feb: 5K members
  • Mar: 10K members
  • Apr: 9K members
  • May: 16K members
  • Jun: 17K members
  • Jul: 18K members
  • Aug: 17K members
  • Sep: 5K members

Themes

  • Advice Requests
    12 posts in the past month
    1. Reta and TRT . 45 Male
    2. How do yall consume appropriate calories on Reta?
    3. Update on Reta
    #1
    Advice Requests
    Reta and TRT . 45 Male · How do yall consume appropriate calories on Reta? · Update on Reta
    12
  • Solution Requests
    6 posts in the past month
    1. Best approach for gaining lean muscle without TRT/test? Peptides?
    2. What’s the best GH to take?
    3. US Vendors which ship overseas
    #2
    Solution Requests
    Best approach for gaining lean muscle without TRT/test? Peptides? · What’s the best GH to take? · US Vendors which ship overseas
    6
  • Pain & Anger
    5 posts in the past month
    1. 14 weeks on GLP1
    2. Fatigue, brain fog, and cold-like symptoms a month into GHK-Cu.
    3. Constant headaches on retatrutide
    #3
    Pain & Anger
    14 weeks on GLP1 · Fatigue, brain fog, and cold-like symptoms a month into GHK-Cu. · Constant headaches on retatrutide
    5
  • Money Talk
    1 post in the past month
    1. Vendor/reseller margins
    #4
    Money Talk
    Vendor/reseller margins
    1

Topics

  • Reta
    7 posts in the past month
    1. M 30 Day 90 Reta hypertrophic lift training / walking 1 hour daily Monday -Saturday Sunday recovery
    2. 5 months on Reta!!!
    3. Reta the truth ! 2.5 months progress
    #1
    Reta
    M 30 Day 90 Reta hypertrophic lift training / walking 1 hour daily Monday -Saturday Sunday recovery · 5 months on Reta!!! · Reta the truth ! 2.5 months progress
    7
  • Ghk Cu
    4 posts in the past month
    1. Tips on GHK CU sting.?
    #2
    Ghk Cu
    Tips on GHK CU sting.?
    4
  • Dose
    4 posts in the past month
    1. Taking double dose ghk-cu+kpv
    2. Reta dose
    #3
    Dose
    Taking double dose ghk-cu+kpv · Reta dose
    4
  • Stack
    4 posts in the past month
    1. Has anyone stacked triz and Reta together?
    2. My Current Peptide Stack 🇸🇬
    3. Need some advice on a stack
    #4
    Stack
    Has anyone stacked triz and Reta together? · My Current Peptide Stack 🇸🇬 · Need some advice on a stack
    4
  • Peptides
    2 posts in the past month
    #5
    Peptides
    2
View full analysis on GummySearchSynced 9/8/2026

Frequently asked questions

Who is r/biohacking for?
Best for Quantified Self Trackers and Longevity Enthusiasts enthusiasts looking for a Reddit-based community with forum discussion.
Is r/biohacking free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/biohacking have?
Roughly 115K members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/biohacking on?
r/biohacking runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/biohacking cover?
On the Hive Index, r/biohacking is organized under Quantified Self Trackers, Longevity Enthusiasts.
How do I join r/biohacking?
You can join r/biohacking by clicking this link, or pressing the "Go to community" button above.
What are the Quantified Self communities like?
Communities for people tracking their health data, from continuous glucose monitors and wearables to sleep logs and heart rate variability. Discussion covers protocols, device comparisons, and making sense of personal data, with a mix of biohacking enthusiasts, health researchers, and everyday people optimizing their routines.
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Added 4/19/2026

Monthly Stats

21
Views /mo
(+40%)
19
Visitors /mo
(+46%)
1
Referrals /mo
(0%)

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