quick details
Formal Name: (2S)-3-[4-(acetylamino)phenoxy]-2-hydroxy-2-methyl-N-[4-nitro-3-(trifluoromethyl)phenyl]-propanamide
CAS Number: 401900-40-1
Synonyms: Andarine, S-4, SARM S-4
Molecular Formula: C19H18F3N3O6
Formula Weight: 441.4
Purity: ≥98%

GTx-007 is a non-steroidal selective androgen receptor modulator (SARM) that has tissue-selective androgenic and anabolic effects in animals. It improves muscle strength and prevents bone loss in orchidectomized rats.
Benefits: Andarine (S4) has a lot of great benefits and this is probably what you are most interested in.
The Andarine benefits are
- Increased muscle mass
- Fat loss
- Faster recovery
- Body recomposition
- Increased strength
Uses
Andarine is a potent and tissue-selective androgen receptor modulator (SARM) that is commonly used for lean gains, muscle hardening, and fat loss. Unlike other normies, it delivers impressive results without posing any serious risks to health.
Andarine, also known as S4 or S-4, is a selective androgen receptor modulator that was developed to treat muscle wasting diseases, and cancer patients who were wasting away. S-4 is an anabolic agonist that is effective and does not have the same side effects as anabolic-androgenic steroids. Its effectiveness is primarily due to its substrate affinity for 5α-reductase, which produces DHT in the prostate. Unfortunately the benefits that SARMs such as andarine (S-4) may provide to clinical medicine have the potential for misuse in sports where athletes and/or their handlers may seek to gain unfair advantage with the assumption that these compounds are undetectable by anti-doping laboratories.
Biological Activity
Andarine (GTX-007) is a selective nonsteroidal androgen receptor (AR) agonist with Ki of 4 nM. It is an investigational selective androgen receptor modulator (SARM) for treatment of conditions such as muscle wasting, osteoporosis and benign prostatic hypertrophy, using the non-steroidal androgen antagonist bicalutamide as a lead compound. Andarine is less potent in both anabolic and androgenic effects than other SARMs. Andarine exhibits potent and efficacious anabolic activity and results in dose-dependent stimulation of growth in prostate, seminal vesicles, and levator ani muscle with the ED50 of 0.43 mg/day, 0.55 mg/day, and 0.14 mg/day, respectively. Andarine reduced prostate weight with similar efficacy to finasteride, but without producing any reduction in muscle mass or anti-androgenic side effects. Andarine demonstrates tissue-selective pharmacological activity and significantly decreased prostate weight to 79.4% at a concentration of 0.5 mg/day in intact rats. Andarine (GTx-007) is able to competitively block binding of dihydrotestosterone to its receptor targets in the prostate gland, but its partial agonist effects at androgen receptors prevent the side effects associated with the anti-androgenic drugs traditionally used for treatment of BPH.
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