Liquid Bulking Stack

How Can a Liquid Bulking Stack Luxembourg Help Build Lean Muscle Fast?

The use of RAD-140, YK-11, and MK-677 in a liquid bulking stack has been studied for lean muscle building, muscle gain, strength gains, and better exercise performance, making it an area of growing research interest.

RAD-140, also known as Testolone, is often described as a muscle builder for its ability to support muscle building, support muscle growth, improve endurance, and promote muscle preservation, which makes it a frequently studied base compound of the stack.

YK-11, which is known for its anabolic qualities, interacts with the androgen receptor and follistatin pathways rather than directly boosting testosterone production. Even so, early research suggests it may still encourage anabolic activity and contribute to lean muscle mass.

MK-677 is also of interest in this liquid SARMs stack. It is studied for its ability to influence human growth hormone release and improve sleep quality. Some findings suggest MK-677 may play a role in muscle recovery, shortening recovery time, and limiting muscle soreness.

By affecting metabolism and the use of fatty acids, MK-677 may also impact body mass composition, though results on fat loss, water retention, and hormone levels are mixed, with fluid retention often reported.

Luxembourg Researchers sometimes explore combinations of SARMs in a SARMs cycle to study cutting stack or bulking strategies. Controlled evidence on this specific stack is limited, but studies look at processes like protein synthesis, muscle protein synthesis, and recovery pathways involving essential amino acids and each amino acid that contributes to growth.

When studied in research, a liquid bulking stack is sometimes called a great product for researchers. It helps them look at anabolic effects, side effects, and if it may show fewer side effects than anabolic steroids, other anabolic agents, or common testosterone boosters.

Such combinations are sometimes called among the best stacks for building muscle. Results still depend on hard work, good planning, and proper cycle therapy.

YK-11

YK-11 SARM is a synthetic compound that was first discovered by Japanese researchers in 2011. Unlike other SARMs, YK-11 also acts as a myostatin inhibitor, which means it may influence muscle growth signals differently from traditional SARMs. Some in vitro data suggest it could promote muscle development beyond standard mechanisms, but its effects in humans are still unknown.

Luxembourg Preliminary research suggests YK-11 could influence muscle recovery, affect recovery time, and help limit muscle loss during a SARMs cycle. As a research chemical, the safety and efficacy of YK-11 have yet to be fully established.

YK11 Liquid Dropper | 50ml – 500mg per bottle

Molecular Formula: C₂₅H₃₄O₆

Molecular Mass: 430.5 g/mol

RAD140

RAD-140 (Testolone) was originally developed by Radius Health to protect against muscle and bone density loss caused by diseases, including cancer.

As a selective androgen receptor modulator, preclinical data suggest RAD-140 shows muscle-biased activity compared to androgenic effects in reproductive tissues. However, like other SARMs, it can still suppress natural testosterone and lower testosterone levels.

Animal studies have confirmed that RAD-140 can increase muscle mass, exhibits strong anabolic properties, and shows measurable selectivity in both muscle tissue and bone tissue. Importantly, RAD-140 has also been studied in early-phase clinical research in the United States, where researchers evaluated its safety and potential applications.

Because of these findings, RAD-140 is sometimes described as a great product in research discussions. Luxembourg Researchers continue to evaluate it in different study designs, including its role in stacking approaches, cycle therapy, and what some call the best stacks for scientific purposes.

RAD-140 Liquid Dropper | 50ml – 500mg per bottle

Molecular Formula: C₂₀H₁₆ClN₅O₂
Molecular Weight: 393.83 g/mol

MK677

MK-677, also known as Ibutamoren, is a GH secretagogue administered orally. A secretagogue is a type of compound that stimulates the pituitary gland to produce more growth hormone.

MK-677 Ibutamoren Liquid is occasionally discussed alongside peptides like MGF or IGF-1 LR3 due to overlapping growth pathways. However, it differs in being orally active and not requiring injections.

Unlike traditional supplements such as creatine monohydrate or herbal extracts like nettle leaf extract, MK-677 operates through distinct hormonal mechanisms. This has drawn interest for its possible impact on training sessions and exercise performance.

This compound has been studied for its ability to increase bone mineral density and lean body mass. Some people discuss it as a possible fat burner, though results are mixed. It may also affect blood pressure, insulin sensitivity, and fluid retention. These factors matter for people at risk of heart disease, especially at higher doses.

Some reports also explore whether MK-677 presents fewer side effects than certain comparators, though controlled data remain limited. Anecdotal discussions mention hair loss, but there is no clinical confirmation.

MK677 Liquid Dropper | 50ml – 1250mg per bottle

Molecular Formula: C27H36N4O5S
Molecular Weight: 528.662 g/mol

The best thing about combining RAD-140, YK-11, and MK-677 is the research interest they create. These compounds open doors to studies on muscle development, recovery, and hormone-related pathways.

While sometimes described as a great product or even among the best stacks in research contexts, the findings are still preliminary and require stronger validation.

For researchers, the next step may involve exploring stacking approaches, protein intake, and long-term outcomes through well-designed studies. Success in this area will always require hard work and careful testing.

Like our Liquid Bulking Stack? Shop Capsule Bulking Stack and more SARM Stacks from Direct SARMS

References:

[1] Jayaraman A, Christensen A, Moser VA, Vest RS, et al. Selective androgen receptor modulator RAD140 is neuroprotective in cultured neurons and kainate-lesioned male rats. Endocrinology. 2014 Apr;155(4):1398-406.

[2] Nass R, Pezzoli SS, Oliveri MC, Patrie JT, et al. Effects of an oral ghrelin mimetic on body composition and clinical outcomes in healthy older adults: a randomized trial. Ann Intern Med. 2008 Nov 4;149(9):601-11.

[3] Lee SJ, Gharbi A, Shin JE, Jung ID, Park YM. Myostatin inhibitor YK11 as a preventative health supplement for bacterial sepsis. Biochem Biophys Res Commun. 2021 Mar 5;543:1-7.

[4] Puskas J, Guda T, Niccoli S, Rathbone CR, et al. Preclinical assessment of the selective androgen receptor modulator RAD140 to increase muscle mass and bone mineral density. Physiol Rep. 2025 Jul;13(14):e70463.

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