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1mg/vial Myostatin Blockers Follistatin 344for Bodybuilding

Follistatin 344,1mg/vial

Appearance : White to off-white crystalline powder or lumps

Specific Optical Rotation (c=0.5,10% HAc) :-50.0~-60.0° 

Water Content(Karl Fischer) : ≤5.0% 

Acetate Content(by HPLC) : ≤15.0% 

Amino Acid Composition : ±10% of theoretical 

Purity (by HPLC) :≥98.0% 

Single Impurity(by HPLC) :≤1.0% 

Peptide Content(by %N) : ≥80% 

Assay(By Anhydrous, Acetic Acid-free ) :95.0~105.0% 

Bacterial Endotoxins : ≤5EU/mg 

Follistatin is fascinating protein that can increase muscle mass beyond natural potential by suppressing myostatin. Scientists first identified follistatin while examining porcine (re: pig) follicular fluid in the ovaries. 

Follistatin is fascinating protein that can increase muscle mass beyond natural potential by suppressing myostatin. Scientists first identified follistatin while examining porcine (re: pig) follicular fluid in the ovaries. [1]

Follistatin is naturally found in the skeletal muscle of almost all mammals with advanced or developed characteristics, such as humans, rodents, and cows. Follistatin is high in the non-essential amino acid cystine but unlike most proteins discussed in the fitness world, follistatin has carbohydrates attached to it. [2]

Follistatin, specifically Follistatin 344 (FS344), quickly gained popularity in the bodybuilding community as a potential supplement to rapidly increase lean tissue mass. Another protein, follistatin-related gene (FLRG) acts on similar pathways as FS344 regarding its muscle building properties. Increased lean tissue mass could give a bodybuilder an advantage in a competitive setting and be the differentiating factor between first and second place.

Follistatin and Muscle Growth

Follistatin works by binding to and inhibiting transforming growth factor-β (TGF-β) peptides such as myostatin which is responsible for regulating and limiting muscle growth. [3] It's also worth pointing out that myostatin may have a regulatory role in skeletal muscle fibrosis; too much myostatin can impair tissue function and cause chronic disease in vital organs, tissues, and bone marrow. [