Follistatin 344 Peptide Therapy
Benefits, Side Effects, Cost & Protocols
Follistatin 344 is the longest and most bioactive isoform of follistatin. Unlike FS-315, it circulates freely in the bloodstream and has systemic myostatin-inhibiting effects, making it the most studied isoform for muscle growth and body composition applications.
Clinically Reviewed
Reviewed by Alex Evans, PharmD, MBA · Updated May 2026
Evidence-Based
Sourced from FDA, PubMed & ClinicalTrials.gov · View sources
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Who Is Follistatin 344 Best For?
How Follistatin 344 Works
Binds activin and myostatin with high affinity, neutralizing their growth-inhibitory signaling on skeletal muscle tissue.
Follistatin 344 FAQ
What is FOLLISTATIN 344?
Follistatin 344 is a naturally occurring glycoprotein that binds and inhibits myostatin and activin, potentially promoting muscle growth and reducing muscle wasting.
How does FOLLISTATIN 344 work?
Binds activin and myostatin with high affinity, neutralizing their growth-inhibitory signaling on skeletal muscle tissue.
Is FOLLISTATIN 344 legal to buy?
FOLLISTATIN 344 is sold as a research chemical for laboratory use only. It is not approved for human use by the FDA. Regulations vary by jurisdiction.
Where can I buy FOLLISTATIN 344?
FOLLISTATIN 344 is available as a research compound from verified online vendors. Always verify third-party testing before purchasing.
What category does FOLLISTATIN 344 belong to?
FOLLISTATIN 344 is primarily classified as a growth hormone secretion peptide. Peptides that stimulate or support growth hormone release, including GHRH analogs, GHRPs, and direct GH compounds for muscle, recovery, and anti-aging research.
What are the research benefits of FOLLISTATIN 344?
FOLLISTATIN 344 has been studied for: Myostatin inhibition, Muscle growth support, Lean mass preservation, Recovery support. Full-length follistatin isoform; potent myostatin blocker.
Key Studies
21 total on PubMed0Central serous chorioretinopathy associated with high-dose follistatin-344: a retrospective case series
Dağ U, Çağlayan M, Öncül H et al
Case Series · Int Ophthalmol
High-dose follistatin-344 injections associated with central serous chorioretinopathy in bodybuilders
The transgenic expression of human follistatin-344 increases skeletal muscle mass in pigs
Chang F, Fang R, Wang M et al
Transgenic Res · Transgenic ResAnimal
Transgenic pigs overexpressing follistatin showed 72.95% lean meat versus 69.18% in controls
Detection of black market follistatin 344
In Vitro · Drug Test Anal
Developed detection method for black market follistatin-344 with LOD of 0.1 ng/mL in urine
Follistatin 344 News
Follistatin-344: Myostatin Signaling, Tissue Plasticity, and Molecular Modulation Research - HIT Consultant
HIT Consultant · 10 days ago
Follistatin-344: A Regulatory Peptide at the Crossroads of Growth Signaling, Tissue Plasticity, and Molecular Homeostasis - BOXROX
BOXROX · 2 months ago
Follistatin-344: A Versatile Peptide Under Investigation - 3-mob.com
3-mob.com · 4 months ago
Follistatin-344 Peptide: A Versatile Molecule in Scientific Exploration - Nation Thailand
Nation Thailand · 11 months ago
Understanding Follistatin 344 Peptide: Muscle research - The Times of India
The Times of India · 26 months ago
News aggregated via Google News. Inclusion does not imply endorsement.
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