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Top Ostarine (MK 2866) Products Available Online


If you’re delving into the world of selective androgen receptor modulators (SARMs), particularly Ostarine, you might be faced with the task of choosing from various brands. Today, we’re narrowing our focus to three notable players in the market: PureRawz, BehemothLabz, and Chemyo.

 As the demand for this selective androgen receptor modulator (SARM) continues to rise in the fitness and research community, we aim to provide you with valuable insights to help make informed decisions about these products. 

What we did is we ordered Ostarine from these brands to come up with an honest review of them all. Our goal is to help you decide which Ostarine brand could help you in your research. We have their images together below:

Join us on this exploration as we assess the key features, benefits, and considerations associated with Ostarine from these prominent brands.

Our Top Ostarine Recommendations

Ostarine BrandPriceAvailable Forms
BehemothLabz$45.48 – $86.00Liquid, Injectable, Capsules
PureRawz$27.98 – $139.48Liquid, Capsules, Transdermal liquid, Injectable, Tablets
Chemyo$39.99 – $69.99Liquid and Powder

Ostarine – Behemothlabz


BehemothLabz is a company that specializes in providing high-quality SARMs (Selective Androgen Receptor Modulators), peptides, and research chemicals. As per our review, this online company emphasizes a commitment to offering compounds that undergo rigorous testing for purity and overall quality (which is what we should be looking for in buying SARM products, right?). Looking at BehemothLabz’s website, we discovered that their customers worldwide express high levels of satisfaction and often recommend their products.

Key features and services offered by BehemothLabz include:

Quality Assurance: The company ensures that all its compounds go through testing procedures to guarantee purity and quality. They want to make sure every single compound is as pure as it gets. No compromises there.

Global Customer Satisfaction: BehemothLabz claims to have a global customer base that is highly satisfied with its products.

Fast Processing and Shipping: BehemothLabz offers one-day processing and shipping for orders placed Monday to Friday, aiming to provide a quick turnaround for customer orders. We find this a quick turnaround for the win.

NOTE: When we ordered the three products, BehemothLabz came in first.

Secure Online Transactions: And here’s something we all appreciate – secure online transactions. They’ve got your back, assuring that your payments and info are totally protected.

Safe Packaging and Storage: On top of it all, BehemothLabz guarantees safe packaging and proper storage of products in controlled environments during processing. This step emphasizes the importance of maintaining product integrity. Plus, we have this peace of mind that our product will arrive in one sealed piece.

Third-Party Testing: The products offered by BehemothLabz undergo third-party testing, and reports are made available to customers. This transparency aims to instill confidence by ensuring that the contents match the information provided on product labels.

Overall, BehemothLabz positions itself as a reliable and customer-focused provider of SARMs, peptides, and research chemicals, with a strong emphasis on quality, safety, and efficient order processing and shipping.


  • Great payment options
  • Products that work
  • Mostly positive feedback from customers
  • Responsive 24/7 customer support
  • Easy-to-navigate website
  • Professional pricing
  • Lab-tested research chemicals
  • Wide-range of products
  • Ostarine is available in three potent forms: powder, capsules, and injectables.


  • Limited availability of some products
  • Long waiting time for some international orders

Ostarine – Purerawz


PureRawz is known for delivering premium compounds, particularly specializing in the production of high-quality SARMs (Selective Androgen Receptor Modulators). When we visited these guys’ website it seemed like they are the wizards of SARMs because they offer Ostarine in its different forms. Just check out the image below:

The company places a strong emphasis on maintaining the highest quality standards. How did they do it?  Each batch of SARMs goes through some serious testing by a third-party lab, hitting a purity level of at least 98%. That’s the gold standard used by labs and chemical suppliers globally. And just to make you extra sure, they throw in a Certificate of Analysis (CoA) that screams, “Yep, this stuff is pure gold!”

To further instill confidence, PureRawz even offers a 100% satisfaction guarantee on every product sold, emphasizing its suitability for research, medical, or clinical use. The company is committed to swift delivery, with packages typically reaching the courier within 5 – 12 business days. Additionally, they provide free shipping for orders exceeding $100, encouraging splurge purchases.

NOTE: When we ordered the three Ostarine brands, PureRawz came in last but the product is intact.

In terms of the purchasing experience, PureRawz prioritizes security and convenience. They accept a variety of payment methods, including PayPal, Venmo, Zelle, Mesh, and cryptocurrency payments. This approach distinguishes them from some other companies in the industry.

To support their customers, PureRawz claims to be available 24/7 via phone or email, demonstrating a commitment to providing the best possible customer service. In summary, PureRawz positions itself as a reliable provider of premium compounds, offering transparency, quality, customer satisfaction, fast shipping, and a secure purchasing experience.


  • Third-party lab-tested products
  • Client-centered approach
  • Price variance
  • Different payment options
  • Positively reviewed products
  • User-friendly website
  • Products deliver promised results
  • Discounts and coupons for selected products
  • Clear label
  • Ostarine is available in six forms – powder, capsules, liquid, injectable, transdermal liquid, and tablets!


  • Limited inventory on certain product forms
  • Extended delivery estimates for certain international shipping options

Ostarine – Chemyo


Chemyo, as a leading provider of high-quality reference materials and novel compounds, is driven by a passion for excellence. The company has undertaken significant efforts to ensure that customers receive the best when purchasing SARMs and other reference materials. Chemyo’s commitment to quality is evident in its cutting-edge quality control protocols, surpassing industry standards to guarantee top-notch products.

NOTE: When we ordered Ostarine from Chemyo, it came next to BehemothLabz.

A distinguishing feature of Chemyo is their dedication to transparency and reliability. To solidify its position as the go-to SARMs supplier for the highest quality reference materials, Chemyo conducts blind and independent third-party testing on all its products. This commitment to third-party verification is a testament to their emphasis on quality assurance and sets them apart as a trusted source in the industry.


  • Reliable products
  • Have extensive industry experience
  • Positive customer feedback
  • Fast shipping


  • Products are priced higher than other competitors
  • Delayed shipping for international orders
  • Limited forms of Ostarine

What is Ostarine (MK-2866)?

Ostarine, scientifically referred to as MK-2866 or GTx-024, is a distinctive compound classified as a selective androgen receptor modulator (SARM). Primarily recognized for its role in combating muscular dystrophy and osteoporosis, Ostarine has garnered attention for its potential applications in hormone replacement therapy. It is also being explored as a potential treatment for conditions like sarcopenia, a decline in skeletal muscle mass and strength commonly associated with aging, as well as muscle wasting disorders.

Unlike traditional anabolic steroids, Ostarine functions by directly binding to the androgen receptors in the body. Notably, it avoids conversion to dihydrotestosterone (DHT) or estrogen, contributing to its unique mechanism of action. The primary objective of MK-2866 is to engage directly in the body’s anabolism, making it a valuable tool for muscle growth or preservation, depending on dietary and training factors.

One of the distinctive features of Ostarine is its ability to exert anabolic effects on muscle tissue, which not only makes it effective in addressing muscle-wasting diseases but also appeals to athletes seeking to enhance muscle development. Moreover, its role in lessening degeneration during recovery from surgeries or similar situations adds to its versatility.

As research on Ostarine continues, its potential benefits in hormone replacement therapy and the treatment of various muscle-related conditions continue to be explored. It remains crucial to note that while Ostarine shows promise, its usage and effects should be monitored carefully, and any application for medical or performance-enhancing purposes should be undertaken with proper guidance and supervision.

Potential Benefits of Ostarine?

  • Ostarine and Heart Health

A recent 12-week study explored some remarkable effects of Ostarine. This was a research study looking at potential future applications.

The study divided healthy older adults into 4 groups. One group received a placebo. The others received different doses of Ostarine: 0.3mg, 1mg, or 3mg per day. [R]

The results were intriguing. All the Ostarine groups showed improvements in key blood markers compared to placebo. For those taking 1mg or 3mg per day, blood triglycerides decreased. Additionally, total cholesterol dropped in ALL Ostarine groups – a statistically significant finding. Even more dramatic was the 3mg group, which saw a notable reduction in blood glucose on top of the other benefits.

These findings suggest that Ostarine may help regulate lipid and glucose levels in the bloodstream. This could have important implications for cardiovascular and metabolic health conditions. 

However, while the research is exciting, it’s vital to emphasize that Ostarine is not meant for human use at this time. Further studies are needed to explore whether these early results could eventually translate into real-world therapies down the road. For now, researchers are focused on better understanding the mechanisms and safety in careful, controlled environments.

  • Ostarine and Body Fat

Research shows that Ostarine MK-2866, an investigational compound, can effectively increase lean muscle mass in a dose-dependent way. In simple terms, the more Ostarine taken, the more muscle gained. Remarkably, users can experience muscle growth without intense workouts.

One study found that even a very low 3mg dose of Ostarine, given to participants without exercise training, significantly increased their muscle mass. This highlights Ostarine’s potential to powerfully promote muscle growth. [R]

In addition to building muscle, Ostarine may also help burn fat by targeting fat cells. So it could possibly both increase muscle and reduce fat, helping to sculpt an ideal physique.

However, despite these promising effects, Ostarine is not approved for human use. Instead, scientists study it in controlled research settings to better understand how it works and whether it may have therapeutic applications in the future. It is only intended for research purposes at this time.

  • Ostarine and Muscle Growth

Could a compound called Ostarine actually boost muscle growth and physical ability? Exciting new research is exploring this possibility.

In one double-blind trial involving older adults, Ostarine displayed intriguing benefits versus placebo. Notably, those taking Ostarine exhibited marked increases in total lean body mass in a dose-dependent manner. Simply put, more Ostarine = more muscle gain. The supplement also improved physical function scores. [R]

Another study focused specifically on cancer patients suffering from muscle wasting. Patients were either given Ostarine or a placebo. Compared to placebo, both Ostarine groups managed to significantly augment total lean body mass – essentially attenuating dangerous muscle loss. [R]

Both studies underscore Ostarine’s ability to act as a potent muscle-protecting agent and physical function booster. Of course, more research is still urgently needed. However, scientists are optimistic about one day potentially translating these promising fitness and performance benefits from the lab to the real world.

  • Ostarine and Bone Density

Does Ostarine show potential for reinforcing weakening bones and speeding up healing after fractures? A groundbreaking new rat study delves into this intriguing possibility.

In one experiment, scientists simulated post-menopausal osteoporosis by removing the ovaries from two rat groups. Subsequently, Ostarine was administered daily to only one group for a span of 5 weeks. At the study’s conclusion, the rats in the Ostarine-treated group exhibited significantly enhanced structural bone properties compared to their non-treated counterparts. There were remarkable increases in both bone mineral density and bone volume density. [R]

Researchers investigated how Ostarine influenced bone healing following fractures in a separate rat study. Once again, the rats without ovaries who received Ostarine displayed noticeably expedited healing compared to those without the supplement.[R]

While these findings suggest that Ostarine may fortify bone health and accelerate fracture healing in rat models of severe osteoporosis, it’s crucial to remember that rats are not equivalent to humans.

However, it is important to note that these findings are from studies conducted on rats, and further research, particularly long-term and randomized human trials, is necessary to explore the full potential of Ostarine as a therapy for osteoporosis. 

How Does Ostarine Work?

Ostarine, also known as MK 2866, is observed to initiate its actions shortly after consumption by swiftly targeting and binding to androgen receptors present in key skeletal muscle tissues across the body. The mechanism involves signaling these muscles to grow larger. Notably, this mechanism bears a resemblance to how steroids function.

The key distinction lies in the selectivity of Ostarine as a Selective Androgen Receptor Modulator (SARM). Unlike anabolic steroids, which bind indiscriminately to all androgen receptors in the body, including those on the liver, heart, and other organs, Ostarine is highly selective in its binding. This selectivity is the crux of the name “Selective Androgen Receptor Modulators.”

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The advantage of this selectivity is that Ostarine can provide the desired benefits of muscle growth and fat loss akin to steroids but with notably fewer side effects. By precisely targeting specific androgen receptors, SARMs like MK 2866 aim to minimize the potential for long-term damage and adverse effects associated with non-selective binding that occurs with traditional anabolic steroids.

It is essential to stress that despite these observed mechanisms and potential benefits, Ostarine is not recommended for human consumption at this point. The information provided here is based on the understanding derived from research studies, and the compound should only be utilized within the confines of scientific investigation for research purposes.

Can You Stack Ostarine (MK-2866)?

For Bulking Purposes

In the context of research and experimental settings, Ostarine, also known as MK 2866, is often considered a suitable foundational element for a bulking cycle. Its reputation for providing a relatively side-effect-free experience makes it a preferred choice for stacking with more potent compounds. It’s important to note that these discussions are focused on theoretical research scenarios, and Ostarine is not recommended for human consumption.

When contemplating a stack, the myostatin inhibitor YK-11 is sometimes introduced. YK-11 is recognized for its potent muscle-building properties. The idea is to combine Ostarine’s potential benefits with those of more robust compounds like YK-11 to enhance the overall impact of the research.

Additionally, RAD-140 is mentioned as a potential inclusion in the stack. RAD-140 is known for contributing to “dry gains,” referring to gains in muscle mass without excessive water retention. When combined with YK-11, the stack aims to provide a synergistic effect, potentially amplifying the overall outcomes of the research cycle.

PureRawz offers their Helios Stack wherein Ostarine is combined with RAD-140.

For Cutting Purposes

In research, Ostarine (MK 2866) is sometimes examined as part of a nutritional compound stack to support fitness goals. While preliminary studies have explored its potential to assist with gains in muscle size and fat loss, Ostarine has not been approved for human consumption and potential side effects require further investigation.

When combined with other compounds, some researchers have theorized that potential synergies could support the maintenance of lean body mass. However, restrictive dieting can be mentally and physically taxing. Safe and legal supplements that provide energy during training without compromising health remain an important area of study.

Overall, more research is still needed to determine the efficacy and safety of compounds like Ostarine. Any discussion of its use pertains to preliminary investigative scenarios, not recommendations for humans. Supporting health and fitness should begin with evidence-based lifestyle strategies.

Here, you might want to try BehemothLabz’s capsule blend of Ostarine + MK-677.

Ostarine Recommended Dosage

Determining the ideal Ostarine dosage is not straightforward, as there is no medically FDA-approved dosage for human consumption. However, bodybuilders commonly use certain dosages based on experimentation and experience.

It’s essential to note that while higher Ostarine dosages may offer more benefits and faster muscle growth, they also come with an increased risk of side effects. Here are typical Ostarine dosage protocols for bodybuilders:

Beginner Dosage: 5mg/day

For individuals new to Ostarine, a starting dosage of 5mg per day is recommended. This lower dosage is intended to assess individual responses and minimize the risk of potential side effects.

Intermediate Dosage: 10mg/day

Those with some experience might opt for an intermediate dosage of 10mg per day. This moderate level is intended to strike a balance between benefits and potential side effects.

Advanced Dosage: 20mg/day

Advanced users may choose a higher dosage of 20mg per day. While this may lead to more pronounced muscle growth and faster protein synthesis, it also increases the likelihood of experiencing side effects.

Even at a small dosage of 5mg/day for a few months, users may observe increased lean body mass, fat reduction, and overall strengthening of skeletal muscle tissue. Opting for higher dosages, such as the advanced dosage of 20mg/day, is likely to result in more substantial muscle growth and accelerated protein synthesis.

Ostarine Side Effects

Side Effects

Ostarine MK 2866, classified as a selective androgen receptor modulator (SARM), is generally considered safe in clinical development and androgen therapy studies. However, it’s essential to be aware of potential side effects, even though most users experience positive effects, particularly if they don’t have pre-existing health conditions.

Here’s a straightforward list of potential Ostarine MK 2866 side effects:

  • Mild Testosterone Suppression

Ostarine may lead to mild suppression of testosterone levels. This is generally observed in a minority of users and tends to be less severe compared to traditional anabolic steroids.

  • Oily Skin and Acne

Some users may experience side effects related to the skin, such as oily skin and acne. This is not universal but can occur in certain individuals.

  • Hot Flashes and Nausea

Hot flashes and nausea are reported as potential side effects. However, it’s worth noting that these are not commonly experienced, and their occurrence is often associated with specific conditions like postmenopausal status, pre-existing liver damage, or autoimmune disorders.

It’s important to emphasize that most individuals, including cancer patients and healthy elderly men, often experience a multitude of positive effects with minimal side effects when taking Ostarine MK 2866. The SARM was specifically designed to combat muscle-wasting diseases in aging individuals, with a focus on effectiveness in increasing bone strength and muscle mass while maintaining a high level of safety.

As with any substance, individual responses can vary, and caution should be exercised, especially in individuals with specific health conditions. Additionally, Ostarine MK 2866 is not recommended for human consumption, and any consideration for its use should be limited to research and experimental settings under strict ethical and safety guidelines.

Powder, Capsules, Tablets, Etc…

Let’s break down the various forms of Ostarine (a popular Selective Androgen Receptor Modulator or SARM) and their pros:


Why buy Ostarine tablets? Tablets are convenient and easy to use. They offer precise dosages, making it straightforward for users to track their intake. This form is often preferred by individuals who appreciate the simplicity and portability of tablets.


Why buy Ostarine capsules? Capsules, like tablets, provide convenient and precise dosing. They are easy to swallow and are a suitable option for users who may have preferences or sensitivities regarding tablet coatings.


Why buy Ostarine injectables? Injectable Ostarine allows for rapid absorption into the bloodstream, potentially leading to quicker effects. Some users prefer injections for their efficiency and the avoidance of gastrointestinal breakdown, which can be an issue with oral forms.

Transdermal Liquid

Why buy Ostarine in transdermal liquid? Transdermal liquids are applied topically to the skin. This method avoids the digestive system, offering an alternative for those who may have sensitivities or issues with oral ingestion. It may also provide a more gradual and sustained release of the compound.


Why buy Ostarine liquids? Liquid forms are often appreciated for their flexibility in dosing. Users can easily adjust their intake by measuring the liquid, making it suitable for those who may require customized dosages or find it challenging to consume pills.


Why buy Ostarine powder? Ostarine in powder form is versatile. Users can mix it with liquids or incorporate it into their preferred beverages, giving them control over the dosage and the option to consume it in a way that suits their preferences.

Each form has its own set of advantages, and the choice depends on individual preferences, comfort with the method of administration, and specific goals. Some users may prioritize convenience, while others may favor rapid absorption or customization of dosage. It’s crucial to note that regardless of the form, users should adhere to recommended dosages and consult with healthcare professionals to ensure safe and responsible usage.

Frequently Asked Questions

Is Ostarine legal?

The legal status of Ostarine can vary by country. Researchers should be aware of and adhere to local regulations regarding the purchase, possession, and use of experimental compounds for research purposes.

What other research compounds can be alternatives for Ostarine?

  1. Ligandrol (LGD-4033):

Ligandrol is another SARM known for promoting lean muscle mass and enhancing bone density. It is often considered for its potential in treating conditions like muscle wasting and osteoporosis.

  1. RAD-140 (Testolone):

RAD-140 is a SARM that is believed to have a high affinity for androgen receptors. It is studied for its potential benefits in muscle growth and neuroprotection.

  1. Cardarine (GW-501516):

While not a SARM, Cardarine is sometimes considered as it may enhance endurance and fat loss. It is studied for its potential to improve cardiovascular health and metabolic function.

  1. Andarine (S4):

Andarine is a SARM known for its potential to promote muscle growth and preserve lean body mass. It is being researched for conditions like osteoporosis and muscle wasting.

  1. YK-11:

YK-11 is a myostatin inhibitor, which means it may have the potential to promote muscle growth. It is under investigation for its effects on muscle hypertrophy.

  1. Ibutamoren (MK-677):

Ibutamoren is not a SARM but a growth hormone secretagogue. It may increase growth hormone levels and is studied for its potential to promote muscle mass and bone density.


In conclusion, Ostarine, also recognized as MK 2866, holds significant prominence in the fitness and research domains. The market is flooded with various Ostarine products available online, but it’s crucial to approach them with a discerning eye. The compound’s potential advantages, such as fostering lean muscle mass and enhancing bone density, have fueled its exploration in research settings.

Nevertheless, it’s vital to emphasize that Ostarine lacks approval for human consumption. The information provided serves educational purposes exclusively, and any contemplation of its usage should strictly adhere to research and experimental contexts, abiding by ethical and legal guidelines.

For those considering the use of Ostarine or similar compounds, paramount steps include consulting healthcare professionals and staying well-informed about the legal regulations in their respective regions. 

In our evaluation of BehemothLabz, PureRawz, and Chemyo, PureRawz takes the lead due to its diverse forms of Ostarine offerings, including capsules, tablets, powder, injectable, liquid, and transdermal liquid. BehemothLabz stands out with its speedy shipping, as noted in our firsthand experience, while Chemyo, with its long standing industry presence, is a noteworthy contender.

Furthermore, it’s worth noting that both PureRawz and BehemothLabz provide a more extensive range of stack forms for Ostarine compared to Chemyo. 

As a cautionary note, potential users should adhere to health tips before purchasing Ostarine – recognizing it as a research chemical, following recommended dosages, and consulting healthcare professionals to address any potential side effects during the research study. Responsible decision-making is paramount in navigating the evolving landscape of fitness and research supplementation.


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