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r/fitnesschemistry is a subreddit with 2k members. Its distinguishing qualities are that the community is medium in size.
Welcome to Fitness Chemistry! We are healthcare practitioners helping the fitness community share practical info on peptides, nootropics, TRT, SARMs, and fitness hacks. We break things down into 3 topic groups: Peptide Info You Need to Know, Handy Peptide Stacks, and My Peptide Protocol. Each post starts with a quick TL;DR, followed by a detailed breakdown based on real experience. For educational use only—always consult a qualified provider.
Popular Themes in r/fitnesschemistry
#1
Advice Requests
: "Semaglutide & Tirzepatide 101: Dose, Protocol... What you need to know!"
19 posts
#2
Ideas
: "My Peptide Stacks: Anti Aging - Which Peptides, Dosing, Protocol, Timing, Sources, etc. **Updated April 2025**"
9 posts
Popular Topics in r/fitnesschemistry
#1
Peptides
: "Things You Should Know About Peptides - 3: Understanding Volume and Mixing (Peptide to Bacteriostatic Water) **Update Sep 25, 2022**"
20 posts
#2
Peptide
: "Peptide Info You Need to Know: Reconstitution - Which Peptides Dissolve in What Solution Best (its not one for all)"
9 posts
#3
Protocol
: "Peptide Info You Need To Know - CJC 1295 and Ipamorelin: Dose, Protocol, Physiology ***April 2023 Update***"
7 posts
#4
Cjc1295
: "Peptide Info You Need To Know - CJC 1295 and Ipamorelin: Dose, Protocol, Physiology ***April 2023 Update***"
5 posts
#5
Timing
: "Testosterone Half-Life: Understanding Half-Life in TRT: Why Timing Your Injections Matters **Updated March 2025**"
5 posts
#6
Injury
: "Peptide Recovery & Injury Protocol: CJC 1295, TB 500, Peg MGF... **Updated 11-27-22**"
4 posts
#7
Cjc
: "Peptide Recovery & Injury Protocol: Cjc 1295, TB 500, Peg MGF... **Updated 11-27-22**"
4 posts
#8
Semaglutide
: "Peptide Info You Need To Know - Topic 10: Protocol for Semaglutide vs Tirzepatide – Full Comparison + Progress Timeline & Health Markers (my personal protocol and experience)"
4 posts
#9
Tb500
: "Peptide Info You Need To Know - Topic 8: TB 500 vs. Thymosin Beta-4 **Update January 2025**"
3 posts
#10
Recovery
: "Peptide Recovery & Injury Protocol: CJC 1295, TB 500, Peg MGF... **Updated 11-27-22**"
3 posts
Member Growth in r/fitnesschemistry
Yearly
+36 members(2.3%)
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