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Name: YK-11

CAS No.: 1370003-76-1

Other Names: YK11; (17α,20E)-17,20-[(1-methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna-4,20-diene-21-carboxylic acid methyl ester

Purity: 99%min

Brand Name:BIG BULL LAB 

Grade: Pharm Medicine Grade

MFG: Fresh batch in 2023

Shelf Life: 2 years of proper storage

Appearance: White Powder

Test Reports: MS/COA/HPLC

MOQ: 10 grams raw powder.

Packing: discreet package.

Shipping: by express or post.

What is YK-11?

Research has shown that YK-11 inhibits myostatin. It stimulates muscle cells to produce more follistatin, a strong inhibitor of myostatin. Myostatin (also known as growth factor 8) is a protein produced by muscle cells that acts on muscle cells to inhibit myogenesis. Research over the years shows that when you block myostatin, it significantly increases muscle mass.

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