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TestoRapid is a product sold by Alpha Pharma Healthcare that contains 100 mg of testosterone propionate.
The company is one of the more popular underground labs.
They sell anabolic androgenic steroids and other products to bodybuilders and athletes around the world.
In medical scenarios, testosterone is mainly used in hormone replacement therapy for men diagnosed with hypogonadism or low testosterone levels.
Alpha Pharma Healthcare produces TestoRapid in two forms.
One is available in a carton that contains 10 ampoules (1 mL each) for a total of 100 mg per milliliter of testosterone propionate.
The other form is an injection solution vial containing 10 mL of testosterone propionate.
The propionate ester is relatively short-lived, which may require more frequent injections, depending on dosage as well as personal goals.
Dosage and frequency of dosage may also differ depending on other components used in combination with TestoRapid for accelerated benefits.
What is Testosterone Propionate?
Testosterone propionate merely defines a synthetic form of testosterone hormone modified by the propionate ester.
Esters have an influence over the absorption rate and half-life of the drug to which it is attached.
The half-life defines the length of time it takes approximately one half of the drug’s primary action to decrease in the blood stream.
Propionate is only one of many esters commonly found attached to testosterone. What can it do for bodybuilders?
Testosterone propionate has the potential to provide many of the beneficial properties of the testosterone hormone, but as with any drug introduced without medical need, can also contribute to a number of side effects.
Testosterone propionate, like other forms of testosterone, fulfills a number of uses for both genders. For males, it enhances development of secondary sex male characteristics such as strength, height, body mass, and muscle development.
In women, testosterone is effective in inhibiting gonadotropin secretions from the pituitary gland and reduces production of estrogen in the ovaries, which in turn decreases endogenous estrogen levels.
Testosterone propionate (or any ester) functions via two primary mechanisms of action:
Its ability to target and activate androgen receptors either directly or as dihydrotestosterone, a metabolite of testosterone
Aromatization – or conversion to estradiol (estrogen) and triggers activity in certain estrogen receptors
Testosterone propionate (TestoRapid) quickly delivers a surge of testosterone into the bloodstream.
In general, testosterone propionate provides strong anabolic and androgenic potential (100/100) with a reputation for moderate estrogenic activity and low progestational activity.
TestoRapid Results for Bodybuilding
What does this mean for bodybuilders?
The higher the levels of testosterone, the higher the levels of estrogen increase to serve as a balance.
While considered relatively low in its potential to trigger progestational activity, it can and does happen.
Progestins act much like estrogen in the male body, producing female-type side effects. This means potential for:
Water retention/group fluid retention, which also increases weight gain
Potential for fat gain
Increased risk of developing gynecomastia (male breast tissue)
Bloating, mainly noted in the abdomen and the face
Dosage recommendations for TestoRapid (as supplied by Alpha Pharma Healthcare) suggest:
Men – 50 mg to 100 mg every day, or every other day, reaching an overall weekly dosage ranging 300 mg to 400 mg.
Women taking the drug for breast cancer treatments are recommended 50 mg to 100 mg per week, divided into evenly spaced dosages.
Because of its propionate ester, TestoRapid peaks within 24 to 48 hours, and then its activity gradually declines over the next three or four days.
In medical scenarios, prescribing guidelines for men average 25 mg to 50 mg two or three times a week depending on the condition under treatment.
In general, athletes and bodybuilders inject 50 mg to 100 mg every other day or every three days, averaging an overall 200 mg to 400 mg per week.
Women should use caution with any form of testosterone due to the potential for virilism. In women, and this triggers the development of male-type sex characteristics that include:
Growth of hair on the face or body (hirsutism)
Enlarged clitoris (clitoromegaly)
Disruption of menstrual cycles
Cessation of menstrual cycles (amenorrhea)
Dosage recommendations for women should not exceed 25 mg weekly. Even so, virilism may occur. Some TestoRapid side effects of virilism are irreversible, even when the drug is discontinued immediately.
Testosterone propionate (TestoRapid) type products are typically used for bulking phases, particularly because of its potential to trigger fluid retention and increased weight.
Many bodybuilders do not mind this side effect as it increases the appearance of muscle bulk.
TestoRapid and other testosterone propionate products can be used alone, but some bodybuilders prefer to stack it with other forms of testosterone such as:
Dosages can differ widely among users when the drug is stacked.
As is common, the risk of side effects and adverse reactions with use of TestoRapid or other forms of testosterone increases in turn with dosage and number of drugs stacked into a cycle.