Testosterone (Steroids)

Chemical name: 4-Androsten-17β-ol-3-one
Synonyms: 17beta-Hydroxyandrost-4-en-3-one

Specifications
Place of Origin: China Certification: ISO9001
CAS No. : 58-22-0 EINECS: 200-370-5
Assay: 98% min. Molecular formula: C19H28O2

Payment & Shipping Terms
Minimum Order Quantity: 10g
Payment Terms: Western union, Money gram, t/t
Packaging: foil bag or tin.

Quick Detail
Appearance: white or off-white crystalline powder
Usage: Pharmaceutical material, Steroid hormone, Anabolin. For disease-free testosterone replacement therapy, male menopause, impotence and other diseases treatment.
standard: enterprise standard
Properties: white crystal or white crystalline powder, odorless. Insoluble in water, soluble in ethanol, ethyl Mi organic solvent.
Preparation or source: industrial to the degradation of cholesterol or yam saponin as raw materials in the system.
Use: testosterone (Gao Tong) to promote the development of male genitalia and maintain its normal function, for the treatment of anorchia replacement therapy, male climacteric syndrome, impotence and other diseases, but also can be used for women's functional uterine bleeding, dysmenorrhea, menorrhagia, aplastic anemia and other symptoms. General use of the propionate and benzoic acid ester derivatives.

Testosterone and testosterone, also known as, is a steroid hormone, secreted by the testes of the male or female ovary, adrenal glands also secrete a small amount of testosterone. It is the male sex hormone and anabolic hormone mainly. Whether male or female, it has a significant effect on health and, enhance sexual desire, including strength, immune function, fight osteoporosis and other effects. According to statistics, the adult male testosterone secretion quantity is 20 times the secretion in adult female. Testosterone is the boy active, good competition, adventurous, eager to become an important reason for the strongest and most courageous, strong man, it plays a vital role in the growth and development of boys.
The medical usage: used in the treatment of anorchia replacement therapy, male climacteric syndrome, impotence and other diseases.
Use: increases the amount of muscle sports. Some exercise 250 times to increase muscle mass and people use dose may even reach the therapeutic dose.
Other uses: biochemical research; natural male hormone, developmental and growth control and male secondary sexual characteristics of the male sex organ.
Risk: acne, edema, reduce the number of sperm, death.

Applications:

 Pharmacologically, testosterone acts both via the androgen receptor and via other means. In practice, it is found to combine synergistically both with those anabolic steroids categorized as Class I and those categorized as Class II, and therefore is described as having mixed activity.

As a bodybuilding drug, testosterone is almost always used as an injectable ester, due to poor oral bioavailability and the impracticality of high dose transdermal or sublingual delivery. Testosterone also is provided as an injectable suspension.

Dosage

With regard to inhibition of the hypothalamic/pituitary/testicular axis (HPTA), 200 mg/week of injected testosterone is approximately 2/3 to 3./4 suppressive, while 100 mg/week is about 50% suppressive. For this reason, low dose testosterone use is not particularly efficient, as natural production is already " worth" 100-200 mg/week, and this is mostly lost with the first 200 mg/week of injectable that is used. The particular synthetics which are low-suppressive are, for this reason, more efficient for low-dose use than is testosterone.

Without an anti-aromatase, it may be preferred to limit usage to 500 mg/week, although there can be risk of gynecomastia at doses even as low as 200 mg/week if no anti-estrogen is used. More advanced users may favor a gram per week. Still-higher doses such as 2 grams per week generally provide only a small further increment in performance, with that generally being noticeable only if a plateau has been reached at 1 gram per week. Amounts higher than this are employed by some pro bodybuilders but probably with only a slight further incremental effect.

COA : 

TEST ITEMS	SPECIFICATION	RESULTS
Description	White or Almost White Crystalline Powder	white powder
Identification	:    A.B.	Positive
Assay	:    97.0~103.0%	99.3%
Specific Rotation	:    +101°~+105°	+102.6°
Loss On Drying	:    1.0%max	0.27%
Melting Point	:    153~157°C	153.0~155.0°C
Organic Volatile Impurities	:    meets the requirement.	Conforms
Related Substances	:    meets the requirement.	Conforms
Residual Solvents	:    meets the requirement.	Conforms
Particle Size	:    100% ≤ 20 microns	Conforms
Conclusion	The specification conform with USP30 standard

Packaging & Delivery
We have professional team for package and shipment. Special way to ship 100 grams to 100kg powders at one time to your country. Fast and discreet shipment could be arranged for customs pass Guaranteed.

Our advantages
1) Our company is a professional raw powder factory in China for over 10 years, all powders are factory directly supplying.
2) Our products have exported to Germany, Norway, Poland, Finland, Spain, UK, France, Russia, USA, Australia, Japan, Korea and many other countries, over 100kgs each month.
3) Professional team special for package and shipment and staring on tracking code 24hours for customs pass guaranteed. 100% pass to UK, Norway, Poland, Spain, USA, Canada, Brazil; 98% pass to Germany, Russia, Australia, New Zealand.
4) Most of powders are in stock, Chargeable samples are available, Could be shipped out within 24hours.
5) High quality, good price, fast and safety delivery. Shipment by DHL, , FEDEX, HKEMS, EMS, etc