Masteron Enanthate is dosed at 200mgs/ml, and comes in a 10ml multi use vial, with (of course) the enanthate ester instead of Masteron’s traditional propionate ester. Though this particular compound acts just like the one with the propionate ester, in almost all respects.
The higher concentration (200mgs/ml) and longer ester (enanthate) allow us to do several interesting things with this compound.
One I’ve heard of is people running a gram per week of it, and that would only require two shots! Another thing I’ve seen is people using this with a long estered Tren and Test (along with an ancillary compound like Letro) and having a great cutting cycle that only requires a 1-2 day a week injection schedule.
However, in December 2004 the United States the 14-member Food and Drug Administration (FDA) advisory committee, plus voting consultants, for Reproductive Health Drugs unanimously rejected Procter and Gamble's fast-track request for Intrinsa citing concerns about off-label use . In Canada, post-menopausal women have been able to obtain government-approved testosterone treatment since 2002. In Australia, post-menopausal women can use Organon testosterone implants which have to be surgically inserted and last from three to six months. 
Side effects of testosterone enanthate include symptoms of masculinization like acne , increased hair growth , voice changes , and increased sexual desire .  The drug is a synthetic androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and dihydrotestosterone (DHT).   It has strong androgenic effects and moderate anabolic effects, which make it useful for producing masculinization and suitable for androgen replacement therapy .  Testosterone enanthate is a testosterone ester and a long-lasting prodrug of testosterone in the body.    Because of this, it is considered to be a natural and bioidentical form of testosterone.