Prohormones are popular supplements used by bodybuilders to build muscle. Up until December 2014 there were a lot of prohormones that were actually steroids. This ended when the president of the United States signed a steroid act that put many compounds on a ban making them illegal in the United States of America. Many compounds such as Halodrol, Episatane and Max DMZ were all banned. Many people were freaking out that there were no good prohormones left, but thats not true. Companies like Blackstone Labs, Sparta Nutrition and many more are making products that are still proving results in muscle growth. You can still find a few products out there that contain DMZ and Methylstenbolone even Cyanostane which is really close to superdrol. All of these products should be used with caution since they are highly liver toxic.

A safer alternative is using a product like Abnormal, Brutal 4ce or Chosen 1 from Blackstone labs. Or one of the big hitters after the prohormone ban Beastdrol V3 by Muscle Research. There is a new name as well Sparta Nutrition with there products Spartan Mass, Spartan Hard, Spartan Lean and Cerberus. Cerberus is a Tri Andro stack that is getting a lot of hype for its ability to add muscle mass in as little as 4 weeks when used with a proper diet and exercise.

Read below on Cerberus:

What is Androsterone?

 Androsterone, also known as 3-Alpha-Hydroxyetioallocholan-17-One, is legal prohormone – commonly found in pine pollen and found naturally occurring within most mammals, excreted in urine as part of human metabolism.

Androsterone and Epiandrosterone are extremely similar, essentially the same molecule. The main difference is that Androsterone is a 3-Alpha isomer whereas Epiandrosterone is a 3-Beta isomer. Both Androsterone and Epiandrosterone convert to stanolone, but Androsterone does not convert to estrogen, meaning that it has anti-estrogenic effects. That means that estrogenic effects like gyno are not possible. The main benefit of Androsterone is when it’s paired with a bulking prohormone, like Super-19 DHEA, as it’s anti-estrogenic properties reduce any possible sides.



Androsterone, which converts to Stanolone, is very androgenic but seems to be light on sides like hair loss. Androsterone is known to increase strength, libido, endurance, and multiple studies suggest neurological effects like aggression coupled with strength.

Androsterone is extremely versatile, which is mainly why at Sparta Nutrition we have decided to pair it up with the powerhouse prohormone: Super-19 DHEA.

What is Super-Rb DHEA?

 Super-Rb DHEA is 3-beta-undecanoyloxy-5-alpha-androstan-17-one which is more commonly knonwn as Epiandrosterone. Epiandrosterone and Androsterone (sometimes referred to as ‘R-DHEA’) are almost identical in structure, with Epiandrosterone being the 3-beta isomer (thus why it may also be referred to as Isoandrosterone) and Androsterone being the 3-alpha isomer. It is a naturally produced metabolite of the adrenal hormone Dehydroepiandrosterone (DHEA) by the enzyme 5a-reductase.

DHT also functions as an antagonist of estrogen which may cause gynecomastia in some men by reducing DHT levels in the body, and thus reducing DHT’s antagonism of estrogen in the body. DHT directly inhibits estrogens activity on tissues, either by acting as a competitive antagonist to the estrogen receptor or by decreasing estrogen-induced RNA transcription at a point subsequent to estrogen receptor binding. It also directly blocks the production of estrogens from androgens by inhibiting the activity of aromatase. Studies done in breast tissue showed that DHT, Androsterone, and 5alpha-Androstandione inhibit the formation of Estrone from Androstenedione.

Since many Anabolic Androgenic Steroids (AAS), Prohormones (PH) and Designer Steroids (DS) are incapable of converting to DHT like Testosterone to fulfill the biological demands the body has while also suppressing endogenous Testosterone production and thus DHT production as well, it is extremely common to see reports of lethargy and libido crash while on cycle. This is why it is also common to see recommendations for Epiandrosterone to be used as a ‘Test Base’, because it helps mitigate lethargy and low libido by fulfilling the body’s biological demands.

It is possible that Epiandrosterone may cause some HPTA suppression, and therefore it is always recommended to run a properly planned Post-Cycle Therapy (PCT) following any prohormone containing Epiandrosterone.

What do we know about Super-Rb DHEA?

~Non-Methylated/Non-Liver Toxic (Doesn’t require liver support such as TUDCA or NAC)

~Dry Compound/Non-Aromatizing (Won’t convert estrogen nor cause water retention or


~Anti-estrogenic Effect

~Increases Aggression

~Increases Energy/Combats Lethargy

~Increases Muscle Hardness and Density

~Increases Strength via CNS Activation

~Increases Vascularity

~Reduces Water Weight (Leading to a drier/tighter appearance)

~Supports Libido

~Excellent for Cutting/Recomping

~Excellent Stacker

What is Super-19 DHEA?

 Super-19 DHEA, also known as 19-Nor- Dehydroepiandrosterone, is an anabolic precursor that converts to Nandrolone. It is a legal prohormone that stimulates hormone production within the body.

Nandrolone is known to have a better anabolic effect than testosterone. The main purpose of using Super-19 DHEA is to increase muscle mass and strength. 19-DHEA is also found to aid in the retention of muscle and, in some cases, increases appetite.

19nor-Dehydroepiandrosterone is controversial in sporting and athletics as it is considered to be part of the DHEA substance supplements. DHEA supplements are banned by most competitive organizations. Many athletes will use 19nor-Dehydroepiandrosterone during training and gain cycles and then cease the supplement during the lean and cut phase of preparing for competition.

Boost Bioavailability

Cerberus Sparta Nutrition amplifies absorption and bioavailability with 6,7,-dihydroxybergamottin (DHB), an organic chemical compound found in grapefruit juice. The basic belief behind DHB is that it alters the metabolism, as DHB blocks the enzyme CYP3A4 – most commonly found within the liver and intestines to heighten the concentration of medication within the blood. Resultantly, you end up with enhanced bioavailability of Androsterone, Super-Rb DHEA, and Super-19 DHEA for the maximum absorption of Cerberus.

† These statements have not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease.

Simons, R. G., & Grinwich, D. L. (1989). Immunoreactive detection of four mammalian steroids in plants. Canadian Journal of Botany. 67, 288-96.

Metcalf MG. (1972). The excretion of androsterone and etiocholanolone as a function of adrenocrotical and gonadal activity. Clinical Biochemistry. 5(1), 19-32.