Summary: the effectiveness of Pronabolin formula is anecdotal at best. It may work as libido boosters, but it’s not likely to raise your T level to noticeable level. For a more effective aphrodisiac formula, we recommend this doctor-approved formula instead.
If you spend anytime online, you will come across ads for testosterone boosters. These magic pills promise to boost testosterone level, lose weight also enhance your libido. Take Pronabolin for example, the advertised benefits are:
– Increase sex drive and libido
– Reclaim energy & vitality
– Build your strength & stamina
– Shed weight
Sound pretty promising, right? Before you sign up, I have to rain on your parade: Pronabolin is not likely going to work for you. In fact, most testosterone pills do not work as advertised. I searched the US National Library of Medicine (link) and Clinicals Trials (link) for “Pronabolin” with no success. A simple search on Google returned no results too.
Now let’s take a look of Pronabolin ingredients profile:
Tribulus Terrestris : few studies show this Ayurveda herb may boost sexual well being and erectile function. However, Tribulus has no effect on testosterone (see study 1, 2 & 3) and fat loss . As well, it did not demonstrate strength-enhancing properties .
Fenugreek: limited evidence shows that Fenugreek can enhance testosterone , but it’s not to a remarkable level. Besides, Fenugreek may improve sexual function and aid in fat loss.
Tongkat Ali : it’s a medicinal herb from Indonesia and Malaysia. Despite the buzz, Tongkat Ali’s testosterone-boosting properties have not been proven in peer-reviewed study. A clinical trial shows that Tongkat Ali supplementation is able to increase sexual libido and to aid fat loss. 
Note: you will want to practice extra caution with Tongkat Ali products. In the past, few Tongkat Ali products are found to be contaminated with heavy metals. To get the best quality, make sure the manufacturers source plants that have been grown and aged in Indonesia.
Horny Goat Weed / Epimedium: this herb is often promoted as sexual enhancer and testosterone booster. In a rat study, high dose of Horny Goat Weed has been shown to increase testosterone level , though there’s no related human trials.
Horny Goat Weed contains an active component called icariin. In few studies, it exerts pro-erectile properties.
Coleus Forskohlii: it’s often retailed as a fat burner, though the evidence supporting its weight loss effects is limited. Two related studies [9, 10] show that Coleus Forskohlii supplementation can result in weight loss, but the result is far from miraculous.
Another preliminary study  noted slight increases in testosterone level with oral ingestion of Coleus Forskohlii.
Side effects and Interactions
These are the theoretical side effects some people may notice with the ingredients inside Pronabolin:
Tribulus Terrestris: side effects include trouble sleeping and prostate problems. It may also interact with certain heart and blood pressure medicine. (source)
Fenugreek: Side effects include diarrhea, stomach upset, bloating, gas, and a “maple syrup” odor in urine. (source) It may interact with medicines that slow blood clotting and medicines for diabetes.
Horny Goat Weed: High doses may cause a stimulatory effect and sweating. (source)
Pronabolin Customers Reviews
Customers reviews and testimonials are mixed. On Amazon, Pronabolin received a rating of 3/5 . Here’s the top critical reviews:
Who made Pronabolin?
Upon investigation, I found two major red flags:
#1. The domain name of the official website pronabolin.com is kept hidden.
#2. On the FAQ section, it’s mentioned that Pronabolin is created by Green Bracket LLC. There are a number of complaints posted online this company (see BBB, Ripoff Report, Trustlink).This is what BBB (Better Business Bureau) said about the company:
“Our files contain a pattern of complaints from consumers that allege Specifically, consumers allege that they signed up for a “risk free 14 day trial.” Some consumers report multiple charges of $89.95 that they feel were not authorized. Other consumers state they were aware of the $89.95 charges if they failed to cancel within the trial period, but report requests for cancellation via phone calls or email were ignored.”
Address: 4135 Laguna Street, Coral Gables, FL 33146
Where to Buy Pronabolin
Currently, Pronabolin is not available in GNC or other offline store. The only way to purchase is via the official website. It cost $79.95 for 30 day supply.
Remember this: there’s no magic pills. While the Pronabolin formula may improve your sex life, it’s not going to alter your testosterone level to significant level. There are better, natural ways to boost your testosterone level:
#1. Eat sensible diet and make sure you keep healthy weight. Unless your diet is impeccable, make sure you consume high quality supplements.
#2. Stay active. Specifically, do heavy, compound lift regularly.
#3. Get enough sleep.