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Where to Buy Follistatin-344: Vendor Comparison, Benefits & Side Effects

A myostatin-binding protein studied for muscle growth.

Published December 17, 20257 vendors listed2 cited studies

What is Follistatin-344?

Follistatin-344 is researched for its role in inhibiting myostatin, a protein that limits muscle growth.

Where to Buy Follistatin-344 Online

7 vendors in our directory currently list Follistatin-344. The comparison shows each vendor's third-party testing status, COA availability, editorial and community ratings, and any active coupon — ordered by our directory ranking.

Vendors carrying Follistatin-344, ordered by directory rank and editorial rating
VendorTrust signalsEditorial ratingUser reviewsCouponVisit vendor
1
Modern Aminos

Ships from USA

  • Tested
  • COA
4.9Rated 4.9 out of 5No user reviewsVisit site
2
Core Peptides

Ships from USA

  • Tested
  • COA
4.8Rated 4.8 out of 5No user reviewsVisit site
3
Peptide Pros

Ships from USA

  • Tested
  • COA
4.5Rated 4.5 out of 5No user reviewsVisit site
4
Raw Amino

Ships from USA

  • Tested
  • COA
4.4Rated 4.4 out of 5No user reviewsVisit site
5
Elixir Labs Co.

Ships from USA

  • Tested
  • COA
3.6Rated 3.6 out of 5No user reviewsVisit site
6
Peptides UK

Ships from UK

  • Tested
  • COA
2.8Rated 2.8 out of 5No user reviewsVisit site
7
NuScience Peptides

Ships from USA

  • Tested
  • COA
Not yet ratedNo user reviewsVisit site

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Mechanism of Action

It binds to and neutralizes myostatin and activin, removing inhibitory signals on muscle hypertrophy.

Clinical Research

Cited studies

  1. 1Follistatin Gene Delivery Enhances Muscle Growth and Strength in Nonhuman Primates
  2. 2Follistatin induces muscle hypertrophy through satellite cell proliferation and inhibition of both myostatin and activin

Researched Benefits

Research on Follistatin-344 has focused on the following areas:

  • Variant of follistatin studied for potent myostatin and activin inhibition
  • May enhance lean muscle mass and reduce adiposity in animal models
  • Investigated for regenerative and performance‑oriented muscle support

Side Effects & Safety

Adverse reactions and limitations documented for Follistatin-344 include:

  • Hormonal imbalance risk
  • Unknown systemic effects

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