YK11 Liquid SARM

YK-11 is a steroidal SARM that works by inhibiting myostatin, the protein that puts a natural brake on muscle growth. That mechanism gives it a more anabolic profile than typical SARMs like ostarine or ligandrol, which is why users report fast gains in lean mass and strength over short cycles. Because it behaves more like a steroid than a classic SARM, it also carries steroid-like hormonal and liver stress.

As a guide only, and not medical advice, experienced users commonly run 5 mg per day for the first two weeks before stepping up to 10 mg per day for the rest of an 8 week cycle, taken orally once a day with food. This is not a beginner compound, so anyone new to SARMs or steroids should start with something milder and speak to a doctor before use. Always measure the liquid accurately with the dropper provided.

Reported issues include elevated liver enzymes (ALT/AST), suppressed natural testosterone, joint pain linked to the myostatin blockade, and a drop in HDL cholesterol. Liver support such as N2Guard is considered essential alongside a cycle, and baseline bloodwork covering liver function, lipids, and total testosterone is worth checking before you start and again partway through. A proper post cycle therapy plan is also needed since suppression can be significant.

Ostarine is a true SARM with a mild, more predictable side effect profile that suits beginners, while YK-11 acts closer to an oral steroid because of its myostatin inhibition. That means YK-11 typically delivers quicker, more noticeable size and strength gains, but at the cost of greater liver and hormonal strain. Users who want a gentler introduction usually start with ostarine or a low-dose testosterone approach first.

Yes. YK-11 suppresses natural testosterone production, so a PCT protocol is generally recommended starting a couple of days after the last dose. A common approach is nolvadex at 20 mg per day for around four weeks, with clomid sometimes added early on if suppression feels heavier than expected. Post-cycle bloodwork helps confirm hormone levels are recovering as they should.

Every bottle we sell is authentic Syncom Labs stock, and each box carries its own verification check-code so you can confirm it against the manufacturer before use. Orders dispatch from our UK warehouse via Royal Mail Tracked 24 in plain, discreet packaging, with same-day dispatch when payment clears before midday on a working day. Most customers across the UK see their parcel land within one to two working days.