6-OXO Raw Steroid Powders Source 4-Androstenetriol For Muscle Gain 2243-06-3

Basic Information
Place of Origin: China
Brand Name: GSP
Certification: ISO9001,SGS,UKAS,GMP
Model Number: CAS 2243-06-3
Minimum Order Quantity: Free samples Available
Price: Negotiable
Packaging Details: Discreet package or as required
Delivery Time: 3-6 working days
Payment Terms: Western Union, MoneyGram, T/T,Bitcoins
Supply Ability: 500 kg / month
Alias: 4-Androstenetrione; 6-ketoandrostenedione MF: C19H24O3
MW: 300.39 Character: White Or Almost White Crystalline Powder
Melting Point: 223-224℃ Dosage: 1000 Mg Or More
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4-Androstenetriol (4-Androstene-3,6,17-trione ; 4-AT; also marketed as 6-OXO or 4-etioallocholen-3,6,17-trione) is a drug or nutritional supplement that may increase the testosterone-estrogen ratio, but has no proven effect on body composition. Its use can be detected in urine.


6-OXO Raw Steroid Powders Source 4-Androstenetriol For Muscle Gain 2243-06-3


Product Name 4-Androstenetriol
Alias 4-Androstenetrione; androst-4-ene-3,6,17-trione; 4-AT; 4-Androstene-3,6,17-trione; 6-OXO; 4-etioallocholen-3,6,17-trione; 4-Androstenediol; 4-AD; 4-Androstene-3,6,17-trione
MF C19H24O3
MW 300.3921
CAS 2243-06-3
Melting point 223-224℃
Molecular Structure 6-OXO Raw Steroid Powders Source 4-Androstenetriol For Muscle Gain 2243-06-3 0
Appearance Slightly yellowish crystalline powder




4-Androstenetriol is a potent irreversible aromatase inhibitor that inhibits estrogen biosynthesis by permanently binding and inactivating aromatase in adipose and peripheral tissue. Aromatase is responsible for the conversion of testosterone to estradiol. Blocking aromatase causes the body to decrease in levels of estradiol, which then results in increase of LH and consequently, testosterone. Since testosterone has myotropic activity and estradiol does not, elevated testosterone levels increase muscle mass.


However, there appear to be no human or animal studies testing the hypothesis that 4-AT will produce an anabolic effect.


4-Androstenetriol is also used by steroid or prohormone users to counteract estrogen level increases caused by aromatization during their steroid cycle. This helps minimize side effects such as gynecomastia but can lead to acne. Also, after a steroid cycle, 4-Androstenetriol may be used to shorten the recovery from the testicular suppression that can be the result of the use of steroids.


Baylor University conducted an eight-week study to determine the effects of 300 mg or 600 mg of 4-Androstenetriol in resistance-trained males.


Compared to baseline, free testosterone increased by 90% for 300 mg group and 84% for 600 mg group, respectively. Also dihydrotestosterone and the ratio of free testosterone to estradiol increased significantly. The report concluded that " he results of this study indicate that eight weeks of 6-OXO supplementation had no effect on body composition or clinical safety markers, but incompletely inhibited aromatase activity and significantly increased endogenous DHT levels that were attenuated after a three-week washout period". This study did not utilize a control group and was funded in part by two producers of commercial 4-Androstenetriol.


In a FDA Warning Letter dated July 7, 2006, the U.S. Food and Drug Administration (FDA) argues that marketing of 4-Androstenetriol violates the Federal Food, Drug, and Cosmetic Act and as such products containing it are adulterated by legal definition.



An average dose for a standalone 4-AD cycle would be 1000 milligrams (mg) or more, divided into 3 separate doses. Thanks to the short half-life, users report an immediate boost in aggression and strength. Because of this, it is a great idea to plan one of your doses just before training. In order to increase its absorption rate it is recommended to take 4-AD with a meal containing fat, since it is non-methylated and has a poor bioavailability.


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6-OXO Raw Steroid Powders Source 4-Androstenetriol For Muscle Gain 2243-06-3 1


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