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Primeval Labs
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0.25 LBS
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Product Description


- Increases Testosterone Levels Up To 226%
- Decreases & Helps Control Estrogen Levels
- Increases Luteinizing Hormone (LH)
- A Clinically Proven Supplement
- Prevents "Gyno", Water Retention & Puffiness

E-Control Rx™ contains 6-OXO a dietary supplement that increases the testosterone-estrogen ratio. E-Control Rx™ 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.

E-Control Rx™ 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, the compound may be used to shorten the recovery from the testicular suppression that can be the result of the use of steroids. A recent United States patent application claims an 88% increase in plasma testosterone levels in men, while decreasing estrogen levels by 11%. The subjects took 300mg orally twice a day for four weeks without taking any other drugs or supplements.

Baylor University conducted an eight-week study to determine the effects of 300 mg or 600 mg of 6-OXO in resistance-trained males. Compared to baseline, free testosterone increased by 90% for 300mg group and 84% for 600mg group, respectively. Also dihydrotestosterone and the ratio of free testosterone to estradiol increased significantly.

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