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 70K members. It has been around since 2011. It uses a forum format for communication. It is the 2nd largest community in the Quantified Self topic page and the 10th largest community in the Longevity topic page.

Roughly 65K members have joined in the past year. Popular discussion topics include Reta, Peptides, and Ghk Cu. Common discussion themes are Advice Requests and Pain & Anger.

On Reddit
Established 2011
70K Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +65K members
Growth: +1361.1% / year

Member growth over time

All time (yearly)

  • 2024: 2K members
  • 2025: 14K members
  • 2026: 54K members

Past year (monthly)

  • Jul: 3K members
  • Aug: 3K members
  • Sep: 2K members
  • 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: 13K members

Themes

  • Advice Requests
    16 posts in the past month
    1. 12 weeks Reta Progress
    2. Is this a safe stack ?
    3. Why reta over ozempic or the other way around?
    #1
    Advice Requests
    12 weeks Reta Progress · Is this a safe stack ? · Why reta over ozempic or the other way around?
    16
  • Pain & Anger
    4 posts in the past month
    1. Don't get drunk while on reta
    2. I’m tired boss
    3. im on week 3 reta but i see no results what am i doing wrong
    #2
    Pain & Anger
    Don't get drunk while on reta · I’m tired boss · im on week 3 reta but i see no results what am i doing wrong
    4
  • News
    1 post in the past month
    1. Autonomous AI screening flags unreliable Lyme test results, boosting sensitivity to 95.7%
    #3
    News
    Autonomous AI screening flags unreliable Lyme test results, boosting sensitivity to 95.7%
    1
  • Self-Promotion
    1 post in the past month
    1. RETATRUTIDE + MOTS-C 90 Days - Australia
    #4
    Self-Promotion
    RETATRUTIDE + MOTS-C 90 Days - Australia
    1
  • Ideas
    1 post in the past month
    1. been into peptides for a while and got fed up with how scattered the info is, so i built a thing. would love if you tried to break it!
    #5
    Ideas
    been into peptides for a while and got fed up with how scattered the info is, so i built a thing. would love if you tried to break it!
    1

Topics

  • Reta
    97 posts in the past month
    1. Reta 7 weeks Before and after
    2. What I’ve noticed in 3 months on Reta
    3. 8 months Reta
    #1
    Reta
    Reta 7 weeks Before and after · What I’ve noticed in 3 months on Reta · 8 months Reta
    97
  • Peptides
    59 posts in the past month
    1. 10 weeks of two peptides. no filters, no topicals, no accutane.
    2. This is why you test your peptides
    3. BAC Water PH & effects on Peptides
    #2
    Peptides
    10 weeks of two peptides. no filters, no topicals, no accutane. · This is why you test your peptides · BAC Water PH & effects on Peptides
    59
  • Ghk Cu
    34 posts in the past month
    1. GHK CU 💁🏻‍♀️
    #3
    Ghk Cu
    GHK CU 💁🏻‍♀️
    34
  • Advice
    32 posts in the past month
    1. Beginner advice Reta Test
    2. Need Advice after TRT
    3. Need some help / Advice
    #4
    Advice
    Beginner advice Reta Test · Need Advice after TRT · Need some help / Advice
    32
  • Transformation
    16 posts in the past month
    1. 100 Day Transformation — 57lbs down.
    2. 8 months natural transformation
    3. Dad’s transformation
    #5
    Transformation
    100 Day Transformation — 57lbs down. · 8 months natural transformation · Dad’s transformation
    16
View full analysis on GummySearchSynced 6/20/2026

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 70K 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

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