Name: YK11 - High-Quality Steroids for Muscle Growth | DEUSPOWER
Price: 44.00 EUR
Availability: InStock

What is YK11 5 (Astera Labs)?

Astera Labs YK11 in 5mg tablets, 50 to a sachet. Potent and dry at low doses, run in short blocks.

Also sold as YK-11 or myostine.

YK11 is the odd one in this category, because it is not really a SARM. It is a steroidal compound built on a DHT backbone, and it is methylated, which is what lets it survive being swallowed. Alongside androgen receptor activity it is reported to inhibit myostatin, the protein that limits how much muscle you can carry, which is where its reputation comes from.

YK11 (Astera) benefits

Reported myostatin inhibition alongside androgen receptor activity
Rapid lean muscle and strength gains at low doses
Dry gains with no water retention
Short cycles, which limits total exposure
One of the strongest compounds in this category per milligram
5mg tablets, which is the standard starting dose

YK11 dosage

Starting dose: 5mg per day, one tablet
Common range: 5 to 10mg per day
Upper end: 20mg per day, experienced only
Cycle length: 4 to 8 weeks
Post-cycle therapy: Required, plan it before you start
Bloodwork: ALT and AST, plus lipids

5mg is a real dose with this compound. Most people should sit between 5 and 10mg.

Keep the run short. Four to eight weeks is the window for this one.

Package content

Tablets: 50 per sachet
Strength: 5mg YK11 per tablet
YK11 per sachet: 250mg
Structure: Methylated, steroidal
Brand: Astera Labs

At 10mg a day one sachet covers 25 days.

Store below 30°C. Protect from light. Do not freeze. Keep out of reach of children.

Who is YK11 (Astera) for?

Advanced users running a short block for rapid dry gains.

YK11 5 is the same strength from Deus Medical, and the Biaxol capsules are 10mg with black pepper extract added.

Before you run it. SARMs suppress your own testosterone and they need post-cycle therapy. They are more selective than steroids, which means fewer androgenic side effects, not an absence of suppression. Plan post-cycle therapy before you start and get bloodwork before and after. YK11 is methylated, so treat it like an oral rather than like a SARM. That means keeping runs to four to eight weeks, checking ALT and AST alongside your other bloodwork, not pairing it with another methylated compound, and keeping alcohol low for the duration. It is potent, so low doses and short blocks are the sensible approach. Not for beginners. Not for anyone under 18, and not for women who are pregnant or breastfeeding.

How to use YK11 (Astera)

Swallow with water once daily at the same time. Do not run it alongside another methylated compound.

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YK11