What is the difference between DHEA 1-DHEA 4-DHEA R-DHEA and 7-DHEA?


DHEA
(dehydroepiandrosterone)
(Super-5-DHEA†)
 
Main effects
 
+ Anti-aging (youthful energy)
+ Exercise endurance
+ Recovery
+ Fat loss
+ Muscle sparing (anti-catabolic)
+ Immune system
 
 
Primary metabolite –
 
5-androstenediol (5-AD)
 
Description –
 
DHEA is considered "generic" or regular DHEA. It can technically be called 5-DHEA, since the double bond is located in the 5th position. 
 
DHEA has been popular in the life extension crowd since the 1980’s. It's typically used for its ability to support energy and general wellbeing at a dose of 50-100mg/day. (1-3) More recently, higher doses of DHEA have been used to improve body composition due to DHEA’s mild anabolic and thermogenic effects. (1, 4) This makes DHEA an excellent choice for cutting during a calorie deficient diet, since DHEA has good muscle sparing properties. (1, 17)
 
DHEA converts to testosterone at a rate of about 1%, however it has high conversion to 5-androstenediol, where it gets its mild androgenic and anabolic effects. (5-8) DHEA’s thermogenic properties come from its conversion to 7-oxo-DHEA. (4)
 
Due to DHEA’s mild androgenic effects it rarely produces hair loss or acne. Although DHEA has moderate estrogenic effects, it rarely produces gyno or undesirable estrogenic side effects.(1-3) Some more sedentary users have reported anxiety or sleeplessness with DHEA, which is likely related to the neurosteroid activity in the brain. (3) However, this effect is also reported as “motivational energy” which is a frequently reported benefit of DHEA. 
 
Because of DHEA’s wide range of benefits and its balanced hormonal properties it can easily be used for cutting, or to keep gains lean during a lean mass building cycle.
 

4-DHEA
(4-dehydroepiandrosterone)
(Super-4-DHEA†)
 
Main effects –
 
+ Muscle mass (nitrogen retention)
+ Strength
+ Blood volume (hematopoietic)
+ Recovery
+ IGF-1 & GH
 
 
Primary metabolite –
 
4-androstenediol (4-AD)
 
Description –
 
4-DHEA is a naturally occurring DHEA isomer. It’s structure closely resembles regular DHEA but the double bond in the 4th position dramatically changes its effects.
 
4-DHEA readily converts to 4-androstenediol, rather than 5-androstenediol, boosting its anabolic potency more than 2x over regular DHEA. (6-8, 11) 4-DHEA is also expected to have a higher conversion rate to testosterone compared to regular DHEA. (6, 7) The 4-DHEA also lacks the calorie burning thermogenic properties, therefore offering superior calorie retention for a bulking effect. (4) This increased anabolic potency and reduced thermogenic action will lead to noticeable gains in strength, lean tissue growth, and weight gain. 
 
4-DHEA will have mild estrogen conversion that can be easily balanced with a non-aromatizing steroid like androsterone or 1-DHEA. Overall gains will be similar to the original “4-AD” banned in the 2004 Steroid Control Act.
 
As with the other DHEA isomers, 4-DHEA is naturally occurring and non-toxic. (9) Side-effects such as oily skin or reduced fertility are considered mild and temporary. The most notable side-effect would be suppression of natural testosterone production, which makes PCT necessary after a cycle. Overall 4-DHEA is a very safe and effective lean muscle building agent.
 
The only downfall to 4-DHEA is its high cost due to the high dose that is required to see significant muscle building effects.
†:The “Super” (ex., "Super-5-DHEA") signifies a fatty ester attachment to the steroid molecule to assist in bioavailability.

1-DHEA
(1-dehydroepiandrosterone)
(Super-1-DHEA†)
 
Main effects –
 
+ Muscle mass (nitrogen retention)
+ Strength
+ Hardening
+ Bloat reduction
+ Recovery
 
 
Primary metabolite –
 
1-androstenediol (1-AD)
 
Description –
 
1-DHEA is a naturally occurring DHEA isomer which cannot convert to testosterone or estrogen — but instead converts to the non-estrogenic 1-testosterone. (10)
 
The total conversion to 1-testosterone is probably less than 2%. (6,7) However, 1-DHEA gets most of its effects from conversion to 1-androstenediol, which has potent muscle building and hardening effects in and of itself. (8, 11, 12) 1-androstenediol was sold as “1-AD” prior to the 2004 Steroid Control Act, and was known for producing rapid gains in lean mass with zero water retention or bloat.
 
1-DHEA does not convert to estrogen nor does it activate the estrogen receptor like DHEA is known to do. (13) It could be referred to as “dry DHEA”. Because of this, it will stack well with other estrogenic steroids such as 4-DHEA to produce† clean gains in muscle tissue.
 
As with the other DHEA isomers, 1-DHEA is naturally occurring and non-toxic. (14) Side-effects such as oily skin, reduced fertility or increased hair shedding are considered mild and temporary. The most notable side-effect would be suppression of natural testosterone production, which makes PCT necessary after a cycle. This makes 1-DHEA a very safe, legal and effective lean muscle building agent. Some users have reported lethargy with 1-DHEA. This seems to be less severe when balanced with DHEA or 4-DHEA which tend to have an anti-lethargic effect.

7-oxo-DHEA
(7-oxo-dehydroepiandrosterone)
(Super-7-DHEA†)
 
Main effects –
 
+ Fat loss
+ Weight loss
+ Muscle sparing (anti-catabolic)
+ Immune supporting
 
 
Primary metabolite –
 
Androstenetriol (AET)
 
Description –
 
7-oxo-DHEA is a naturally occurring metabolite of DHEA. It’s well known for its weight loss effect due to its strong thermogenic action. (4, 15, 16)
 
The strong thermogenic effect from 7-oxo-DHEA come from its ability to increase two thermogenic enzymes, which increases the body’s ability to burn off calories as heat. (4) Although DHEA shares a similar effect, 7-oxo-DHEA is about 2.5x more active than DHEA. (4) Human studies have shown that 7-oxo-DHEA can increase weight loss, with a majority of weight loss being actual fat tissue. (15-16) Aside from the thermogenic action, 7-oxo-DHEA also appears to be an aromatase inhibitor, which can reduce estrogen levels. 
 
Because of the modification in the 7th position, 7-oxo-DHEA cannot convert to testosterone or estrogen, nor does it have any androgenic or anabolic effects. (15) Because of this, it does not produce side-effects such as hair loss, acne or prostate inflammation. It also blocks the catabolic effect of cortisol, which helps to retain muscle during a low calorie diet.
 
Side-effects of 7-oxo-DHEA may include anxiety or sleeplessness similar to regular DHEA due to the neuro-stimulating effect. However, this is generally mild, and seems to only occur in some users. Overall 7-oxo-DHEA is very tolerable and safe at the typical 100-200mg/day dose. (15, 16)
 
While 7-oxo-DHEA can be useful for a cutting or weight loss protocol, it would not be wise to use during a bulking or mass building cycle. Its tendency to increase the metabolism and rate of calorie burning will make it difficult to build additional muscle mass. (4)
 
†:The “Super” (ex., "Super-5-DHEA") signifies a fatty ester attachment to the steroid molecule to assist in bioavailability.

R-DHEA
(androsterone)
(Super-R-DHEA†)
 
Main effects –
 
+ Strength 
+ Hardening
+ Bloat reduction
+ Recovery
+ Anti-estrogen
+ Sex drive
+ Aggression 
 
 
Primary metabolite –
 
Androstanediol (5-AA)
 
Description –
 
R-DHEA is known as “Reduced DHEA” because it is a 5a-reduced metabolite of DHEA. It’s more commonly referred to as androsterone.
 
This naturally occurring hormone cannot convert to testosterone, but instead converts to the dihydrotestosterone (DHT). (10, 18) Similar to testosterone, DHT is responsible for masculine traits such as aggression, sex drive, and physical strength. (19,20) However, because DHT cannot convert to estrogen, it also helps reduce fat storage and water retention, making it an excellent steroid for increasing muscular hardness and vascularity. 
 
R-DHEA will stack well with 5-DHEA or 4-DHEA as it will help reduce water retention from under the skin, thus creating a “dry” and hard appearance. R-DHEA also has moderate anabolic properties thus allowing it to help enhance lean muscle gains. (21)
 
Strength gains will also be noticeable with R-DHEA due to its strong androgenic effect which will activate the central nervous system and increase muscular power. (20) This will increase explosive power with minimal bodyweight increase. The increased aggression is typically a welcomed benefit, which manifests as increased confidence and an “alpha male” feeling in sexual and social activities. 
 
The strong androgenic action from R-DHEA will also help support libido and erection hardness. (20) This makes R-DHEA useful to help counter the sexually suppressive effects from other steroids. The powerful androgenic effect will also block estrogenic effects, and help prevent (and reverse) gyno. (22, 23)
 
Side-effects from R-DHEA will be limited to androgenic side-effects such as oily skin, acne, and increased hair shedding if the user is prone. These side effects are mild and temporary for most users.
 
 
†:The “Super” (ex., "Super-5-DHEA") signifies a fatty ester attachment to the steroid molecule to assist in bioavailability.
References –
 
1. DHEA treatment for HIV patients: Effects on mood, androgenic and anabolic parameters. 
Rabkin, J., et al. 
Psychoneuro endocrinology. R. 25, 53-68. 2000
 
2. Activation of immune function by dehydroepiandrosterone (DHEA) in age- advanced men. 
Khorram O, et al.
J Gerontol 1997; 52A:M1- M7.
 
3. Effects of replacement dose of dehydroepiandrosterone in men and women of advancing age.
Morales AJ, et al
J Clin Endocrinol Metab. 1994 Jun;78(6):1360-7. Erratum in: J Clin Endocrinol Metab 1995 Sep;80(9):2799.
 
4. Ergosteroids: induction of thermogenic enzymes in liver of rats treated with steroids derived from dehydroepiandrosterone.
LARDY H, et al. 
Proc Natl Acad Sci USA 92: 6617-6619, 1995.
 
5. Dehydroepiandrosterone: kinetics of metabolism in normal men and women.
Bird CE et al.
J Clin Endocrinol Metab. 1978 Oct;47(4):818-22.
 
6. In vivo conversion of dehydroisoandrosterone to plasma androstenedione and testosterone in man.
Horton R, et al.
J Clin Endocrinol Metab. 1967 Jan;27(1):79-88.
 
7. In vitro metabolism of androgens in whole human blood.
Blaquier et al.
Acta Endocrinol (Copenh). 1967 Aug;55(4):697-704. No abstract available.
 
8. Androgens and anabolic agents
Julius A. Vida
Chemistry and pharmacology (1969) 
 
9. METABOLISM OF ANDROST-4-ENE-3,17-DIONE-4-14C BY RABBIT SKELETAL MUSCLE SUPERNATANT FRACTION. ISOLATION OF 3BETA-HYDROXYANDROST-4-EN-17-ONE-14C AND TESTOSTERONE-14C.
THOMAS et al.
J Biol Chem. 1964 Mar;239:766-72
 
10. Seized designer supplement named “1-Androsterone” identification as 3b-hydroxy-5a-androst-1-en-17-one and its urinary elimination.
Maria K et al.,
Steroids. 2011 Feb 16.
 
11. Circulating bioactive androgens in midlife women.
Chen et al.
J Clin Endocrinol Metab. 2006 Nov;91(11):4387-94. Epub 2006 Aug 29.
 
12. Partial agonist/antagonist properties of androstenedione and 4-androsten-3beta,17beta-diol.
Chen Fet al.
J Steroid Biochem Mol Biol. 2004 Aug;91(4-5):247-57.
 
13. Direct agonist/antagonist functions of dehydroepiandrosterone.
Chen et al.
Endocrinology. 2005 Nov; 146(11):4568-76. Epub 2005 Jun 30
 
14. Testosterone metabolism revisited: discovery of new metabolites.
Pozo, et al.
Anal Bioanal Chem. 2010 Oct;398(4):1759-70. 
 
15. A randomized, double blind, placebo controlled study of 3 – acetyl – 7 – oxo – dehydroepiandrosterone in healthy overweight adults. 
Kalman, D., et al. 
(2000). Curr. Ther. Res. 61, 435-442.
 
16. The effect of 7 – keto Naturalean on weight loss: A randomized, double blind placebo controlled trial. Zenk, J., et al. 
(2002). Curr. Ther. Res. 63, 263-272.
 
17. Antiglucocorticoid function of androstenetriol. Psychoneuroendocrinology 
Loria RM. Et al.
1997;22 Suppl 1:S103-8.
 
18. Physiological Changes in Dehydroepiandrosterone Are Not Reflected by Serum Levels of Active Androgens and Estrogens But of Their Metabolites: Intracrinology
Fernand Labrie, et al.
J Clin Endocrinol Metab. 1997 Aug;82(8):2403-9
 
19. Evaluation of androgen antagonism of estrogen effect by dihydrotestosterone.
Hung TT, et al. 
J Steroid Biochem. 1983 Oct;19(4):1513-20.
 
20. The effects of transdermal dihydrotestosterone in the aging male: a prospective, randomized, double blind study.
Kunelius P, et al.
J Clin Endocrinol Metab. 2002 Apr;87(4):1467-72.
 
21. Comparative activities of compounds of the androsterone-testosterone series.
Deanesly R, et al.
Biochem J. 1936 Feb;30(2):291-303.
 
22. Treatment of persistent pubertal gynecomastia with dihydrotestosterone heptanoate.
Eberle AJ, et al
J Pediatr. 1986 Jul;109(1):144-9.
 
23. Successful percutaneous dihydrotestosterone treatment of gynecomastia occurring during highly active antiretroviral therapy: four cases and a review of the literature.
Benveniste O et al.
Clin Infect Dis. 2001 Sep 15;33(6):891-3. 
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1,4,6 Androstatriene-dione (ATD)

Diagram of molecule

Chemical Name(s):

Androsta-1,4,6-triene-3,17-dione
1,4,6-androstatriene-3,17-dione
Chemical Formula: C19H22O2
Molecular Weight: 282
CAS: NA
Q Qatio: NA
Anabolic #: NA
Androgenic #: NA
Oral Bioavailability: Estimated at 4%
AR Binding Affinity: NA
SHBG Binding Affinity: NA
Half Life: 2 days
Legal Status (US): Not listed as a controlled substance
Average Dose: 25-100mg/day
Average Cycle Length: 4-8 weeks
Stimulator
Inhibitor

-5
-4
-3
-2
-1

0
1
2
3
4
5

Muscle Gain

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Strength Gain

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Fat Gain (negative indicates fat loss)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Water Retention (extra-cellular bloat)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Aggression

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Libido

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Acne

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Hair Loss

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Prostate Enlargement

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Liver Toxicity

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Lethargy

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Characteristics

ATD is a steroidal aromatase inhibitor, known as a suicidal inhibitor because it permanently binds to the aromatase enzyme.

ATD is used for its aromatase inhibiting and testosterone boosting effect. Its effectiveness at lowering estrogen appears to be stronger than 6-oxo. It converts to 1,4,6-testosterone, which would also be expected to cause falsely high readings for a testosterone analysis.

The 1,4,6-testosterone metabolite of ATD can also bind to the androgen receptor (AR) and induce androgenic (or possibly anti-androgenic) effects similar to what is seen from 6-oxo. This would be expected since 1,4,6-testosterone has about one third the binding affinity for the AR, therefore it may interefere with the anabolic or androgenic action of hormones which bind the androgen receptor.

ATD would also be expected to interfere with production of natural testosterone by acting upon the hypothalamus pituitary testicular axis (HPTA), therefore this compound should not be used during post cycle therapy (PCT), however it could successfully be used during a cycle to help keep estrogen in control. Anecdotal reports and animal studies have also shown ATD inhibits libido and general sexual potency.

Common Clones:

Arom-X by Advanced Muscle Science (AMS)
AIFM by Anafit
ATD MAX by Anabolic Formulations
ATD-JET by Molecular Developments
Reversitol by IForce


Related Discussion

The Official 1,4,6 Androstatriene-dione (ATD) Thread
Posted by Eric

References

Effect of an inhibitor of aromatization, 1,4,6 androstatriene-3,17-dione (ATD) on LH release and steroid binding in hypothalamus of adult female rats.

Exp Brain Res. 1986;64(3):407-10.
Slama A, Gogan F, Sarrieau A, Vial M, Rostene W, Kordon C.

Effects of ATD on male sexual behavior and androgen receptor binding: a reexamination of the aromatization hypothesis.
ME Kaplan and MY McGinnis
Horm Behav, Mar 1989; 23(1): 10-26.

Anabolic Pharmacology
Seth Roberts (2009)

norDHEA

Diagram of molecule

Chemical Name(s):

5-estren-3b-ol-17-one
Nordehydroepiandrosterone
Chemical Formula: C18H26O2
Molecular Weight: 274
CAS: NA
Q Qatio: NA
Anabolic #: NA
Androgenic #: NA
Oral Bioavailability: Estimated at 4%
AR Binding Affinity: NA
SHBG Binding Affinity: NA
Half Life: NA
Legal Status (US): Not listed as a controlled substance
Average Dose:
300-600mg/day standalone
200-300mg/day when stacked
Average Cycle Length: 4-6 weeks
Stimulator
Inhibitor

-5
-4
-3
-2
-1

0
1
2
3
4
5

Muscle Gain

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Strength Gain

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Fat Gain (negative indicates fat loss)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Water Retention (extra-cellular bloat)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Aggression

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Libido

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Acne

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Hair Loss

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Prostate Enlargement

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Liver Toxicity

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Lethargy

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Characteristics

norDHEA is a non-methylated (non-17aa) pro-steroid. (naturally occurring in trace amounts in humans)

norDHEA can convert to the illegal anabolic steroid nandrolone by converting to norandrostenediol/norandrostenedione, and then to nandrolone. Nandrolone is known to have stronger anabolic effects than testosterone, yet weaker androgenic effects.

norDHEA will aromatize to estrogen less than regular DHEA, but because it is a nor compound it lacks strong androgenic metabolites. For instance, after nandrolone interacts with 5a-reductase, the metabolite dihydronandrolone (DHN) is formed, which is a weaker nor-version of DHT.

Ironically, the lack of estrogen conversion from norDHEA is probably balanced by the lack of androgenic potency and progestational effects, which makes the possibility of bloating and experiencing gyno about as likely as with regular DHEA.

One difference between norDHEA and DHEA that should be considered is the fact that norDHEA will have less androgenic effects, which may pose less risk of androgenic related hair loss and/or acne. This may be a smart choice for some men, and a decent choice for women looking for a moderately anabolic compound without much androgenic effect. (to avoid masculinizing side-effects)

Because of the low bio-availability, high doses must be used to notice gains in lean muscle mass and strength. Even with higher doses, the gains will be mild to moderate. Some bloat should be expected from the estrogenic and progestational effects of the nor-steroids. Because this steroid is non-17aa there should be less concern about it negatively affecting the HDL/LDL ratio.

Like the other DHEA derivatives, norDHEA would be useful in a transdermal application since the enzymes needed for the conversions to more powerful metabolites are concentrated in the skin and absorption through the skin using a good transdermal delivery cream could allow for 5-10x higher absorption than oral.

This compound would stack well with almost any other steroid, except those with progestational activity.

Common Clones:

Decavol by Advanced Muscle Science (AMS)


Related Discussion

The Official norDHEA Thread
Posted by Eric

References

Anabolic Pharmacology
Seth Roberts (2009)

Promestanolone

Diagram of molecule

Chemical Name(s):
17a-methyl etioallocholan 17b-ol 3-hydroxyimine
Chemical Formula: C20H33NO2
Molecular Weight: 319.5
CAS: NA
Q Qatio: 2.4
Anabolic #: 380/24
Androgenic #: 158/20
Oral Bioavailability: Estimated at 40%
AR Binding Affinity: NA
SHBG Binding Affinity: High
Half Life: NA
Legal Status (US): Not listed as a controlled substance
Average Dose:
75-100mg/day standalone
50-75mg/day when stacking
Average Cycle Length: 4-6 weeks
Stimulator
Inhibitor

-5
-4
-3
-2
-1

0
1
2
3
4
5

Muscle Gain

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Strength Gain

[][][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Fat Gain (negative indicates fat loss)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Water Retention (extra-cellular bloat)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Aggression

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Libido

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Acne

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Hair Loss

[][][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Prostate Enlargement

[][][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Liver Toxicity

[][][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Lethargy

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Characteristics

Promestanolone is a 17aa pro-steroid which converts to the illegal anabolic steroid methyl-DHT (mestanolone).

There is no human clinical data on promestanolone, but it is most likely exerting its effects by converting to methyl-DHT. The acidic environment in the stomach would be responsible for converting the 3-hydroxyimine group to a 3-one — thus rapidly changing it to methyl DHT. Therefore results and side-effects would be considered to be very similar to methyl-DHT.

Although DHT can be deactivated in skeletal muscle tissue by 3b-HSD it is likely that this enzyme pathway can be overwhelmed if this compound is taken at a high enough dose. Methyl-DHT has some activity on the progestin receptor, but not to a high degree. It has moderate anabolic but high androgenic effects. It binds strongly to SHBG, therefore free testosterone and estrogen can be expected to rise by displacement from SHBG.

Since this is a 17aa compound, liver toxicity will be an issue with high doses or long term use. For this reason users should consider priming the liver with a liver supporting supplement before and during a Promestanolone cycle. Users will also experience minimal subcutaneous water retention since there is no conversion to estrogen. However, intracellular water and sodium retention will increase by inhibition of 11-beta hydroxylase and mineralocorticoid build up.

Users may also experience an increase in aggression and mood swings which is a common side effect of many steroids with high androgenic value. This makes this compound an excellent pre-lifting or pre-competition steroid.

Promestanolone should produce solid lean gains in muscle as a standalone. However for those looking to add additional bulk to their cycle, promestanolone would stack with with virtually any other non-17aa oral.

Common Clones:

D-Plex by Competetive Edge Labs (CEL)
The ONE by Applied Nutraceuticals


Related Discussion

The Official Promestanolone Thread
Posted by Eric

References

“Effect of 1-alkyl substitution on the biological action in a series of androstanes.”

Cekan Z, Pelc B.
Steroids. 1966 Aug;8(2):209-18.

“Relative binding affinity of anabolic-androgenic steroids: comparison of the binding to the androgen receptors in skeletal muscle and in prostate, as well as to sex hormone-binding globulin.”
Saartok T, Dahlberg E, Gustafsson JA.
Endocrinology. 1984 Jun;114(6):2100-6.

1-Androsterone

Diagram of molecule

Chemical Name(s):

1-androsten-3b-ol-17-one
1-Dehydroepiandrosterone
Chemical Formula: C19H28O2
Molecular Weight: NA
CAS: NA
Q Qatio: NA
Anabolic #: NA
Androgenic #: NA
Oral Bioavailability: Estimated at 8%
AR Binding Affinity: NA
SHBG Binding Affinity: NA
Half Life: NA
Legal Status (US): Not listed as a controlled substance
Average Dose:
200-300mg/day Transdermally
400-600mg/day standalone (oral)
200-400mg/day when stacking (oral)
Average Cycle Length: 4-6 weeks

Stimulator
Inhibitor

-5
-4
-3
-2
-1

0
1
2
3
4
5

Muscle Gain

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Strength Gain

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Fat Gain (negative indicates fat loss)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Water Retention (extra-cellular bloat)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Aggression

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Libido

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Acne

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Hair Loss

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Prostate Enlargement

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Liver Toxicity

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Lethargy

[][][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Characteristics

1- Androsteronetm (1-DHEA) is a non-methylated (non 17aa) pro-steroid that must convert to 1-androstenediol (1-AD), 1-androstenedione (original 1-AD) and/or 1-testosterone to be active. The double bond in the 1st position seems to slightly enhance its ability to resist excretion by the liver.

1-Androsterone occurs naturally in the body, and is a naturally occurring metabolite of DHEA. (2) The 17b-HSD enzyme converts 1-Androsterone to 1-Androstenediol, and the 3b-HSD converts it to 1-Androstenedione. Both of these 1-AD metabolites can then be converted to 1-Testosterone. Although the 1-AD metabolites are known to have some anabolic and androgenic effects on their own, 1-Testosterone is probably where most of the effects come from with this steroid.

There is no conversion to estrogen so users will not experience bloat with this compound, nor will it have a dramatic effect on blood pressure. However one unique side effect that users have reported with this compound is a feeling of lethargy. (It appears that stacking 1-Androsterone with a nuero-active hormone such as DHEA can help reverse this effect)

1-Androsterone (and primarily its metabolites) have relatively potent androgenic effects, therefore gyno is almost never an issue. However, because of the androgenic potency, this compound could pose a mild hair loss risk for those prone to MPB. Because this steroid is non-17aa there should be less concern about it negatively affecting the HDL/LDL ratio.

Results from this compound generally take a couple weeks to be realized. Moderate gains of lean muscle mass and strength can be expected, but users should not expect rapid increases in size or weight with this compound since extra-cellular and intra-cellular water retention are very minimal. This makes the gains from this steroid fairly easy to maintain post cycle.

1-Androsterone will stack well with almost any compound. For more dramatic gains in size and strength it is recommended to stack this compound with an aromatizing steroid or possibly one of the progestational compounds listed elsewhere.

Common Clones:

1-T by Primordial Performance
1-Androsterone by Advanced Muscle Science (AMS)

Related Discussion

The Official 1-Androsterone Thread
Posted by Eric

References

1. 17beta-hydroxy-5alpha-androst-1-en-3-one (1-testosterone) is a potent androgen with anabolic properties.

A Friedel, et al.
Toxicol Lett, Aug 2006; 165(2): 149-55.

2. “Metabolism of 1-Dehydroandrostanes in Man”
Galletti and Gardi, et al.
J Steroid Biochem, 3 (1972), 933-936

Exemestane (Aromasin)

Diagram of molecule

Chemical Name(s):

6-methyleneandrosta-1,4-dien-3,17-dione
Chemical Formula: C20H24O2
Molecular Weight: 296
CAS: NA
Q Qatio: NA
Anabolic #: NA
Androgenic #: NA
Oral Bioavailability: Estimated at 15%
AR Binding Affinity: NA
SHBG Binding Affinity: NA
Half Life: 27 hours
Legal Status (US): Prescription only
Average Dose: 10-25mg/day
Average Cycle Length: 4-8 weeks
Stimulator
Inhibitor

-5
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0
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Muscle Gain

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0
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Strength Gain

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0
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3
4
5

Fat Gain (negative indicates fat loss)

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-2
-1

0
1
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3
4
5

Water Retention (extra-cellular bloat)

[]
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-2
-1

0
1
2
3
4
5

Aggression

[]
-5
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-3
-2
-1

0
1
2
3
4
5

Libido

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Acne

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Hair Loss

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Prostate Enlargement

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Liver Toxicity

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Lethargy

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Characteristics

Exemestane is a steroidal aromatase inhibitor, known as a suicidal inhibitor because it permanently binds to the aromatase enzyme.

Exemestane is one of the most potent and expensive steroidal aromatase inhibitors currently available on the market. It is available by prescription only. The estrogen inhibition rate for exemestane varies from 85% of estradiol to 95% for estrone.

Exemestane is looked highly upon due to the fact it can be just as effective as Letrozole or Arimidex without causing such a rapid rebound of estrogen, which is a typical problem of non-suicidal aromatase inhibitors.

Exemstane is rarely dosed beyond 25mg/day as this appears to be a high enough dose to suppress estrogen by a significant amount. It can reach maximum estrogen suppression in as little as 7 days. Since it increases testosterone levels, some users may experience androgenic effects.


Related Discussion

The Official Exemestane (Aromasin) Thread
Posted by Eric

References

Anabolic Pharmacology
Seth Roberts (2009)

Stanozolol THP

Diagram of molecule

Chemical Name(s):
[3,2-c]pyrazole-5alpha-etioallocholane-17b-tetrahydropyranol
Chemical Formula: C25H38N2O2
Molecular Weight: 399
CAS: NA
Q Qatio: NA
Anabolic #: NA
Androgenic #: NA
Oral Bioavailability: Estimated at 15%
AR Binding Affinity: NA
SHBG Binding Affinity: Medium
Half Life: 4-6 hours
Legal Status (US): Not listed as a controlled substance
Average Dose:
200-300mg/day standalone
100-200mg/day when stacked
Average Cycle Length: 4-6 weeks
Stimulator
Inhibitor

-5
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-2
-1

0
1
2
3
4
5

Muscle Gain

[][]
-5
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0
1
2
3
4
5

Strength Gain

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Fat Gain (negative indicates fat loss)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Water Retention (extra-cellular bloat)

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Aggression

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Libido

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Acne

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Hair Loss

[][]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Prostate Enlargement

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Liver Toxicity

[]
-5
-4
-3
-2
-1

0
1
2
3
4
5

Lethargy

[]
-5
-4
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-2
-1

0
1
2
3
4
5

Characteristics

Stanozolol THP is the same compound as the illegal anabolic steroid stanozolol (Winstrol) except it is not 17aa methylated, and instead has a THP ether attached on the 17b position.

The conversion rate for this compound is very low, expected to be less than 15%. Knowing this, users are better off taking doses in the 150-250mg range. The downfall to this is the high cost.

Stanozolol THP does not aromatize and also has very minimal bloat. It has a moderately potent androgenic activity, giving it a fairly low risk for gyno or negative effects on the libido. However its androgenic effects may pose a problem for users prone to androgenic related hair loss.

Once the Stanozolol THP reaches the stomach, most of the THP-ether is probably removed by the stomach acid to form stanozolol (the non-methylated version). Therefore, topical delivery of this compound is probably not worthwhile.

Overall this compound produces mild gains, but the side-effects are very mild too. Noticeable gains in lean muscle mass and strength are not likely going to be achieved unless doses of at least 200mg/day are used. Stanozolol THP is going to produce very little water retention, therefore it should produce a lean and vascular appearance. Big increases in weight are not likely to happen with this steroid either, so increased blood pressure and painful back pumps should not be a problem.

This compound would work well for cutting cycles and would stack well almost any other steroid depending on the goals.

Common Clones:

WinZstrol by Juggarnaught Nutrition
Prostanzonol by Juggarnaught Nutrition
Prostanozol by Generic Labs
Prostanozol by Anabolic Xtreme
P-Stanz by Competitive Edge Labs (CEL)
Orastan-E by Gaspari Nutrition


Related Discussion

The Official Stanozolol THP Thread
Posted by Eric

References

“Metabolism and excretion of anabolic steroids in doping control—New steroids and new insights”

Peter Van Eenoo and Frans T. Delbeke

The Journal of Steroid Biochemistry and Molecular Biology; Volume 101, Issues 4-5, November
2006, Pages 161-178

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