SKU: 35358041379

OSTARINE (MK-2866) Powder, 1gr

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Description

OSTARINE (MK-2866) Powder, 1grOSTARINE (MK 2866) Ostarine MK 2886 is a non steroidal Selective Androgen Receptor Modulator (SARM) with tissue selective anabolic and androgenic pharmacological properties. In the scientific literature, it is also known as enbosarm, GTx 024, or S 22. This SARM was originally discovered in 1998 by James T. Dalton, Duane D. Miller, Karen A. Veverka, and their respective research teams at Ohio State University, the University of Tennessee, and GTx. GTx

OSTARINE (MK-2866)

Ostarine MK-2886 is a non-steroidal Selective Androgen Receptor Modulator (SARM) with tissue-selective anabolic and androgenic pharmacological properties. In the scientific literature, it is also known as enbosarm, GTx-024, or S-22.

This SARM was originally discovered in 1998 by James T. Dalton, Duane D. Miller, Karen A. Veverka, and their respective research teams at Ohio State University, the University of Tennessee, and GTx. GTx acquired the licensing rights from these research teams and further sublicensed the development of MK-2886 to Merck & Co.

MK-2886 is one of the first SARMs to be synthesized and studied in both rats and primates, making it one of the most extensively researched SARMs.

In one study focusing on adult rats, specifically their fat cells or adipocytes, the administration of MK-2886 Ostarine reduced the expression of fat-related hormones like leptin and adiponectin mRNA. Researchers concluded that MK-2886 is likely to have an effect similar to that of testosterone on the AR receptors, leading to a reduction in body fat in rats. Source

Another study showed that MK-2886 Ostarine also stimulates bone growth in rats. At the highest dosage, 4 mg/kg, the test subjects exhibited improved bone density, quicker healing time, and higher markers of bone growth hormones such as phosphorus and alkaline phosphatase.

Interestingly, all rats in the research group showed an increase in the weight of the gastrocnemius muscle, even at the lowest dosage of 0.04 mg/kg. Serum cholesterol levels were also lowered in this group, indicating an improved lipid profile. Source

In a subsequent study, similar results were observed; rats with clinically induced osteoporosis showed increased bone density when treated with moderate to high doses of MK-2866. Source

A third study evaluated muscle growth in mice genetically modified to lack traditional androgen receptors. After removing the mice's endogenous testosterone-producing cells, muscle degradation began, and MK-2886 treatment was initiated. These mice showed muscle growth in androgen-sensitive muscles via an alternative pathway, different from that of the traditional androgen receptors. Source

Half Life
24 hours.

DISCLAIMER
This material is sold for use in laboratory research only. Terms of sale apply. Not for human consumption, nor for medical, veterinary or domestic use. Please familiarize yourself with our DISCLAIMER before ordering.

 

Data Sheet:

Ostarine (MK-2866) – Powder, 1gr

Application Selective Androgen Receptor Modulator
CAS 841205-47-8
Molar Mass 389.33 g/mol
Chemical Formula C19H14F3N3O3
IUPAC Name ((2S)-3-(4-cyanophenoxy)-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide)
Synonyms Ostarine, Enobosarm, GTx-024, MK-2866
Storage Room temperature
Solubility Soluble in PEG400, Ethanol
Organoleptic Profile White crystalline powder
Physical Form Solid
Specification ≥98%
Terms This material is sold for laboratory research use only. Terms of sale apply. Not for human consumption, nor medical, veterinary, or household uses. Please familiarize yourself with our Terms & Conditions prior to ordering.
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SKU: 35358041379

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Reviewed in the United States on June 7, 2026
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John
Battle Creek, US
★★★★★ 4
Has fit perfectly into my morning espresso
Color: Black&Silver
This seems to me to be an excellent small kitchen scale. I am new to the complexities of espresso making and have begun using this scale every morning to measure my dose and output. It is working just fine. Easy to operate, keep clean and store. I did not give it 5 stars because I have limited comparisons but I don’t expect and will not bother looking for anything better.
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Reviewed in the United States on May 30, 2026
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D. Lakin
Los Angeles, US
★★★★★ 5
Perfectly fits what I needed for my espresso habit!
Color: Black&Silver
This Maestri House mini coffee scale is a great little tool for espresso and pour-over. The size is compact enough to fit under a portafilter or cup, and the 0.1g accuracy makes dialing in coffee much easier. I like the built-in timer, rechargeable USB-C battery, and clean black-and-silver look. It feels precise, practical, and easy to keep near the espresso machine. Great value for anyone who wants more consistent coffee.
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Reviewed in the United States on June 2, 2026
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B. Swenson
New York, US
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Maestro House Mini Coffee Scale
I have begun to drink tea, pu’erh tea to be specific. I have several varieties and I have had a problem with getting consistent results. The varieties can be very different in size depending on when the leaves are harvested (leaves harvested in spring are much smaller). So the easiest way to get consistent results is by weight. This scale is very easy to use with a ceramic tea scoop, set the tea scoop on the scale, zero it out and add tea leaves. This has made my results much better, without the wild swings in strength I had been getting before trying to eyeball even measures. This scale gives me accurate measurements to one tenth of a gram.
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Reviewed in the United States on April 15, 2026
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bicyclemayhem
Dallas, US
★★★★★ 4
Mostly great, except one little annoyance
Color: Black&Silver, Color: Black&Silver
Pros- lightweight, small, very accurate, easy to clean, timer included. Cons- I use this to brew espresso on my Breville Touch and to get an accurate reading, you have to place something flat (structured) under the scale. Otherwise the reading just jumps all over the place. I know lot of espresso machines have the same base, so this might be an issue for some! This is my reason for 4/5 stars. It’s an easy fix, it’s just kind of annoying. Value for the price seems to be on point. It’s easy to clean. It has a timer as well as scale (nice for espresso). Buttons work the first time you push them. That’s it that’s all
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Reviewed in the United States on January 31, 2026

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