Tribolin

(nandrolone/methandriol blend)

Tribolin Description:
Tribolin, a.k.a. Tribolin 75, is a veterinary steroid blend of 40 mg/ml of methandriol dipropionate and 35 mg/ml of nandrolone decanoate. Ranvet Company, Tibolins primary manufacturer, also produces a very similar 70 mg/ml blend (minus 5 mg of nandrolone) called Filybol Forte.

Methylandrostenediol, methandriol for short, is a dihydrotestosterone (DHT) derived anabolic steroid. Classified as having both weak anabolic and androgenic properties, methandriol is generally considered too mild for bodybuilding use as a stand-alone drug. However, when stacked with other compounds, or combined (as in the case of Tribolin) it can be a great ancillary anabolic agent.

Nandrolone phenylpropionate is an anabolic androgenic steroid that was clinically developed for the treatment of severe wasting disorders such as advanced HIV and refractory anemias. As its name indicates nandrolone phenylpropionate is a member of nandrolone family of steroids, a group renowned for possessing very specific high anabolic and low/weak androgenic properties. Its phenylpropionate ester is indistinguishably different from the decanoate ester, so this component of Tribolin is essentially the same (in actions and side effects) as its more popular relative Deca-Durabolin (Deca).

Tribolin Form:
Tribolin is an oil steroid preparation for intramuscular injection. Its composition is 40 mg/ml of methandriol dipropionate and 35 mg/ml of nandrolone decanoate. Tribolins total steroid concentration equals 75 mg/ml, which typically comes in 10 and 20 mg/ml multi-dose vials. The Filybol Forte blend (70 mg/ml) comes in the same form and vial sizes.

Tribolin Indications/Purpose:
For bodybuilding purposes Tribolin, when taken in anabolic promoting dosages, represents an effective stand-alone steroid blend, but it is often far more practically administered as a stacked ingredient within both bulking and cutting anabolic cycles. Tribolins 40 mg/ml of methandriol dipropionate produces noticeable muscle hardening, water reducing, and vascularity improving effects.

Tribolins secondary (by amount, not effect) component, the nandrolone, lends its traditionally versatile benefits to the blend and is a very popular among bodybuilders and athletes. Like the rest of the nandrolone family, Tribolin has a number of anabolic benefits as it: increases levels of IGF-1 in muscle tissues; increases brain serotonergic amines levels, the chemicals that contribute to aggressive behavior which could help you to train harder thereby improving power, speed and overall results; increases the number of androgen receptors and; possesses a mild dose dependent fat reduction benefit. Additionally, nandrolones stimulate red blood cell (RBC) production which: improves endurance during exercise via better lactic acid clearing and oxygen delivery; carries more nutrients to working muscles for greater stamina; promotes better muscle glycogen restoration after exercise to speed recovery and; alleviates joint pain.

Nandrolone is a very adaptable compound that can be easily incorporated into all types of cycles, during both your bulking and cutting phases of training. When used within mass building cycles its usually stacked with testosterone and/or powerful orals like Oxymetholone (Anadrol) or Methandrostenolone (Dianabol). In cutting cycles its combined with short-ester injectable anabolic steroids such as Testosterone Propionate and Boldenone Acetate, and/or with DHT-derived orals like Stanozolol (Winstrol) and Oxandrolone (Anavar).

For performance enhancing anabolic benefits, Tribolin is optimally administered (by itself) in the range of 200-400 mg per week. If stacked within anabolic cycles, the dosages should be goal-oriented and adjusted accordingly.

Tribolin Side Effects:
Since its a progestin (as are all nandrolones), it stimulates the progesterone receptor, as well as progesterone itself which opens the door for some unwanted side effects. As with any form of anabolic steroids, it can possibly cause side effects which fall into two primary categories, estrogenic and androgenic.

Generally speaking, due to inherently low aromatization nandrolones and DHTs both of which constitute Tribolins blend do not to aromatize (convert from testosterone to estrogen), so you can expect to be free from estrogenic side effects (those due to increases in estrogen estradiol, prolactin, progesterone or progestin) which generally include increased water retention, body fat gain, and gynecomastia (due to an imbalance in the testosterone to estrogen ratio).

Androgenic side effects, those having to do with male sexual characteristics, occur due to elevated testosterone levels which are likely to produce oily skin, acne, body/facial hair growth, and testicular atrophy (temporary reduction in the size of your testicles). Androgen drug use of any kind is also known to accelerate balding, but only in men with a genetic predisposition for hair loss. In other words, if youre losing or going to lose your hair then testosterone supplementation can speed up the process, but it is never the primary cause of hair loss.

Synthetic testosterone and several other steroids, including nandrolones will shut down natural production altogether. A mere 100 mgs per week of either of these takes about 5-6 weeks to cause this shut down, 250-500 mgs shuts you down by the second week, and it takes roughly a month to return those testosterone levels to baseline. Tribolin may not be androgenic enough to promote shut down, but it will definitely suppress natural testosterone production.

Tribolin Chemical Composition
Nandrolone phenylpropionate + Methylandrostenediol Dipropionate (methandriol) blend (Trade name: Libriol, Tribolin, and Anabolic NA)
Nandrolone base + phenylpropionate ester (or Decanoate or Cypionate ester, respectively)
Formula (base): C18 H26 O2
Formula (ester): C9 H10 O2
Molecular Weight(base): 274.4022
Melting Point (base): 122-124C
Manufacturer: RWR
Effective Dose (Men): 200-400mg/week (2mg/lb of Bodyweight)
Effective Dose (Women): 50-100mg/week
Active life: 15 days
Detection Time: Up to 18 months
Anabolic/Androgenic Ratio: 125/37

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(nandrolone/methandriol blend)

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