FOR IN VITRO RESEARCH & LABORATORY USE ONLYNOT FOR HUMAN OR VETERINARY USECASH ON DELIVERY AVAILABLEFOR IN VITRO RESEARCH & LABORATORY USE ONLYNOT FOR HUMAN OR VETERINARY USECASH ON DELIVERY AVAILABLE
Follistatin 344 by Enhanced Pharma - 1mg × 1 vial
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RESEARCH PEPTIDE / Enhanced Pharma

Follistatin 344 (FS-344) - Enhanced Pharma - 1mg × 1 vial

Buy Follistatin 344 1mg in India — Enhanced Pharma Research Grade

Follistatin 344 - Myostatin Inhibitor

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Naturally occurring glycoprotein that binds and neutralizes myostatin and activin A. Studied for muscle hypertrophy via TGF-β superfamily blockade. WADA prohibited since 2019.

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₹10,800
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Why researchers reach for Follistatin 344

Myostatin neutralization

Binds myostatin (GDF-8), preventing its suppression of muscle growth - the rationale behind follistatin's anabolic research interest.

Activin A blockade

Also neutralizes activin A - broader TGF-β superfamily antagonism beyond myostatin alone.

Satellite cell activation

Removing myostatin's suppressive signal allows satellite-cell-driven muscle expansion in animal models.

Strong gene-therapy precedent

Primate and human gene-therapy studies for muscular dystrophy demonstrated significant muscle hypertrophy and strength gains - proof-of-concept for the pathway.

Community Insights

Self-reported by pep-pedia.org users and published research summaries. Not clinical evidence.

68%
Effectiveness
of 96 respondents
62%
Would Recommend
of 128 respondents
Side effects Injection site reaction Limited human safety data WADA prohibited
Best results 10–30 days

How Follistatin 344 Works

01

Myostatin and activin A binding

Follistatin's extracellular domains bind myostatin and activin A with high affinity, preventing them from reaching their receptors.

02

ActRIIB pathway blockade

With ligands sequestered, the ActRIIB receptor on muscle cells goes unactivated - TGF-β-driven muscle-growth suppression is removed.

03

Hypertrophy permission

Released from myostatin's constraint, muscle satellite cells and existing fibres can expand more freely under anabolic stimuli - the mechanism behind follistatin's research interest.

Mechanism summary sourced from pep-pedia.org and the published peptide research literature.

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Full Specifications
Peptide
Follistatin 344
Brand
Enhanced Pharma
Sequence
344-amino-acid precursor (cleaved to 315-aa circulating form); full sequence UniProt P19883
Molecular Weight
~37,800 Da (FS-315 mature form)
CAS Number
80449-31-6
Half-Life
~90 minutes (short)
Typical Dose
100–200 mcg (anecdotal protocols only)
Cycle Duration
10–30 days (anecdotal)
Dosage
1mg per vial
Quantity
1 vial / box
Form
Lyophilized powder
Storage
−20°C lyophilized; 2–8°C reconstituted
Reconstitution
BAC water (bacteriostatic) - included
Intended Use
Research use only - not for human consumption

Frequently Asked Questions

How is FS-344 different from FS-315 and FS-288?

FS-344 is the precursor that gets cleaved into the circulating FS-315 form (with a C-terminal acidic tail) or FS-288 (without). FS-315 has lower cell-surface binding and longer plasma residence; FS-288 binds cell surfaces more avidly.

Is the data mostly gene-therapy?

Yes. Pep-pedia notes most clinical follistatin research has used gene delivery (AAV vectors), not exogenous peptide injection. Injectable peptide use has limited human data and a short ~90-minute half-life that constrains dosing.

WADA status?

Follistatin has been on the WADA prohibited list since 2019. It will cause failed drug tests in athletes; use is strictly for laboratory research.

Why such a short cycle?

Pep-pedia's anecdotal protocol cycles run 10–30 days - driven by the short half-life requiring frequent dosing and limited human safety data for prolonged exposure.

Storage requirements?

Strict refrigeration. Lyophilized vials at −20°C; reconstituted vials at 2–8°C. The glycoprotein structure is more thermolabile than smaller peptides - keep cold throughout the research window.

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Follistatin 344 - Enhanced Pharma

₹10,800 · 1mg × 1 vial · Lyophilized powder + BAC water · Pan-India delivery

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Research Use Only

This product is intended solely for laboratory and research purposes. It is not intended for human consumption, therapeutic use, or as a food or drug product. By purchasing, you confirm that this product will be used exclusively for legitimate research applications.

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