Create a Prime Sports Nutrition Account!
Earn points for every $1 you spend, access exclusive promos, and get birthday rewards.
With your account, you can:




WARRIOR LABS LIQUID- YK11 is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Key Benefits:
Hit your natural potential and looking to crush though your plateau? Look No further YK-11 is the solution. YK-11 is a potent myostatin inhibitor that promotes muscle growth by blocking the effects of myostatin, a protein that limits muscle development. By inhibiting myostatin, YK-11 enhances muscle mass and strength.
30 Day Supply*
12mg of YK-11
Length of Research
12 weeks
PCT Yes or No?
You can be proactive by taking a PCT & Cycle Defender with this product.
Commonly stacked with
YK-11 is commonly stacked with MK-677 and Rad-140 for improved growth hormone production and testosterone levels.
Delivery times depend on the shipping method selected at checkout:
For orders shipping to military bases (APO, FPO, DPO, AA, AE, AP), delivery may take up to 3 weeks due to additional processing times.
Please note, we have a strict cutoff time of 4 PM PST for all orders. Orders placed after this time will be processed the following business day. We process and fulfill all orders within 24 hours (excluding weekends and holidays).
To maintain your privacy, we ship all orders in plain brown boxes with no graphics or branding—only the shipping label is visible.
If your order has not shipped, it may be due to a discrepancy. We recommend contacting our customer service team for assistance.
We would like to remind our customers that all sales of muscle builder products are FINAL — even if the item has not yet left our shipping department. We strongly encourage you to carefully review your order details before completing your purchase.YK11 works by selectively binding to the androgen receptors in muscles, leading to an increase in the production of follistatin. Follistatin is a protein that inhibits myostatin, a negative regulator of muscle growth. By inhibiting myostatin, YK11 may potentially promote greater muscle development.
The correct amount of YK-11 to take can differ depending on various personal factors, including one's level of experience and objectives. Commonly recommended doses are between 2 capsules or 1ml for full dosage with cycles generally extending 12+ weeks.
Yes, we always recommend a PCT after each cycle. Here are two of our favorites below!