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Product Review · Updated November 2026

Chemyo Ostarine ReviewMK-2866 25mg/ml Liquid Rated and Reviewed

In this Chemyo Ostarine review, we rate the MK-2866 25mg/ml 50ml liquid on labelling, batch testing, price and value. You also get the research background, the risks and our verdict.

Our Editorial Score

4.5/5
Price at time of writing$69.99

Rated on public quality signals, not personal use.

Labelling4.8
Batch Testing4.6
Value4.7
Availability4.5
Range Options4.0

Chemyo Ostarine at a Glance

Chemyo Ostarine is one of the best-known liquids in the Chemyo range. It contains Ostarine, also called MK-2866 or Enobosarm, dissolved in a liquid carrier for laboratory research.

Each bottle holds 50ml at a stated concentration of 25mg per ml. In other words, one bottle contains 1,250mg of compound in total. Like every Chemyo product, it carries a batch number and research-only wording.

So how does it compare? Overall, our Chemyo Ostarine review found strong quality signals and very good value per milligram. However, it offers fewer format options than RAD-140.

Product Specs

Compound Ostarine (MK-2866)
Also known as Enobosarm
Class SARM
Format Liquid solution
Concentration 25mg/ml
Volume 50ml
Total per bottle 1,250mg
Price $69.99

What Is Ostarine? The Research Background

Ostarine is a non-steroidal selective androgen receptor modulator, or SARM. It is the most studied SARM in human research, under the name Enobosarm.

Researchers tested it in clinical trials for muscle wasting linked to cancer. Some trials reported small gains in lean body mass. However, larger late-stage trials did not show clear gains in physical function, and no regulator approved it.

In addition, Ostarine has appeared in many sport doping cases, sometimes through contaminated supplements. As a result, it remains a research chemical, not a medicine.

Also known asMK-2866, Enobosarm
Compound typeNon-steroidal SARM
Research stageLate clinical trials
Approved for useNo

Our Chemyo Ostarine Review in Detail

4.8Labelling

Clear and Consistent Label

The label states the compound, the concentration and the volume. It also carries a batch number and research-only wording. Just as important, it makes no health or performance claims.

4.6Batch Testing

Batch Number and Lab Report

Each bottle links to a batch and to a third-party Certificate of Analysis. A good report confirms identity, purity and concentration. Therefore, always match the batch on your bottle to the report.

4.7Value

Strong Value per Milligram

At $69.99, Chemyo Ostarine is one of the lower-priced liquids in the range. Moreover, its 25mg/ml concentration means more compound per bottle than most Chemyo liquids. That makes it the best value per milligram in our reviews so far.

4.5Availability

Sold Through Authorised Resellers

After chemyo.com closed, ChemyoLabs became the main source for the liquid range. Stock is generally good, and orders ship from an authorised reseller with a direct link to the producer.

4.0Range Options

Liquid and Powder Only

Ostarine comes as a 50ml liquid and as a powder at ChemyoLabs. However, it is not part of any Chemyo value pack. So if you want a bundle, RAD-140 or LGD-4033 packs offer more choice.

Chemyo Ostarine Pros and Cons

Pros

  • Clear label with batch number
  • Third-party lab testing
  • 1,250mg per 50ml bottle
  • Best value per milligram so far
  • Most studied SARM in human research

Cons

  • No value pack option
  • Liquid needs careful measuring and storage
  • Copycat bottles use the Chemyo name
  • Not approved for human use
  • Banned in all tested sport

Ostarine Risks: What the Research Says

Good quality control tells you what is in a bottle. It does not make the compound safe for people. Clinical trials and case reports raise several concerns about Ostarine.

Hormone suppressionTrials report lower natural testosterone and related hormones.
Cholesterol changesClinical studies report lower HDL, the “good” cholesterol.
Liver stressDoctors have published case reports of liver injury linked to Ostarine use.
Unknown long-term effectsNo long-term human safety data exists.

Banned in sport: WADA lists Ostarine as a prohibited substance at all times, in and out of competition. It is one of the most common SARMs in doping cases, and strict liability applies.

How to Verify Genuine Chemyo Ostarine

Copycat sites use the Chemyo name, so check every bottle before you trust it.

  1. Buy from an authorised reseller

    Use ChemyoLabs or another seller with a direct link to the producer.

  2. Find the batch number

    It should be printed clearly on the bottle and the label.

  3. Match it to the lab report

    The Certificate of Analysis must show the same batch number.

  4. Check the seal and label

    Look for a sealed cap, sharp printing and research-only wording.

4.5Out of 5

Chemyo Ostarine Review: Our Verdict

Chemyo Ostarine earns 4.5 out of 5. It has a clear label, batch traceability and third-party testing. Moreover, it offers the best value per milligram in our reviews so far.

The only weak spot is choice, since there is no value pack. Still, it is a research chemical, not a medicine. Buy only from an authorised reseller, and match every batch number to its lab report.

View Ostarine at ChemyoLabs

Chemyo Ostarine FAQ

What is Chemyo Ostarine?

Chemyo Ostarine is a research liquid containing Ostarine, also called MK-2866 or Enobosarm, at 25mg/ml in a 50ml bottle. It is sold for laboratory research only.

How much Ostarine is in one bottle?

Each 50ml bottle at 25mg/ml contains 1,250mg of Ostarine in total.

How much does Chemyo Ostarine cost?

At the time of writing, Chemyo Ostarine costs $69.99 for 50ml at ChemyoLabs. Prices can change, so check the shop.

Where can I buy Chemyo Ostarine?

We recommend ChemyoLabs, an authorised Chemyo reseller. Always match the batch number to its lab report.

Is Ostarine the same as MK-2866 and Enobosarm?

Yes. Ostarine, MK-2866 and Enobosarm are different names for the same compound.

Is Ostarine approved for human use?

No. Ostarine reached late-stage clinical trials, but no regulator has approved it as a medicine.

Is Ostarine banned in sport?

Yes. WADA prohibits Ostarine at all times, in and out of competition.

Compare every option in our Chemyo review, or see where to buy Chemyo.

Buy Genuine Chemyo Ostarine From an Authorised Reseller

Get the Chemyo Ostarine 50ml liquid with a batch number and a third-party lab report.

Visit ChemyoLabs

Disclaimer: Chemyo.info is an independent information site. It is not the manufacturer or a seller. Our scores are editorial opinions based on public quality signals, not product testing on people. This page is general information only, not medical, legal or purchasing advice. Ostarine is not approved by any medicines regulator. Chemyo products are for laboratory research only and are not approved for human use. Sport bans them, and they may be restricted or illegal in your country. Always speak to a qualified doctor and check your local laws.

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