XPI Testosyn Review: Sinner or Winner? Ingredients & Side Effects

Testosyn Testosyn has been developed to give serious athletes a natural and safe way of boosting testosterone and enjoying all the associated benefits, like faster and bigger muscle gains, increased power and energy, and better recovery.

As a result of increased testosterone levels, the process of gaining lean muscle and losing unwanted fat is accelerated and enhanced to levels not otherwise possible.

Best results can only be achieved when you are committed to using Testosyn with a disciplined and intensive training regime.


Costs $59.95 for one bottle, or $169.95 for three. This also includes free shipping to almost every country on orders over $100. You can buy it from the XPIsupplements website.

Multiple payment options are available including PayPal and credit cards. Testosyn also comes with a 90-day money back guarantee.

Make sure you NEVER buy Testosyn from eBay. The only place to buy it is from the official website or Amazon.

Claims & Benefits

Testosyn is described as a “testosterone enhancing matrix” which provide all the benefits that come with boosting and maintaining optimal testosterone levels: increased power and lean muscle gains, fat burning, faster recovery, enhanced endurance and increased libido. It claims to be able to:

  • Provide more Tribulus Terrestris saponins than most other supplements
  • Powerfully boost testosterone levels naturally and keep them at their peak
  • Boost lean muscle gains by quickly and safely increase testosterone in a matter of weeks
  • Enhance lifting and power performances
  • Enhance sexual drive

The company is confident enough in the ability of the product to deliver the promised results, and provides a 100% money back guarantee with your purchase.

Testosyn Ingredients

Testosyn is made up of only natural ingredients with each playing a role in increasing and maintaining optimal testosterone levels.

Taking a closer look at each ingredient reveals how each one contributes to its specific benefit to the overall goals of the product:

  • Fenugreek
  • D-Aspartic Acid
  • Boron
  • Tribulus Terrestris
  • Horny Goat Weed

Every ingredient is compelling on its own, but when combined in measured quantities, can compound on each other for more comprehensive and powerful results.

Tribulus Terrestris – a well known and long used plant extract that contributes significantly to boosting testosterone levels, resulting in heightened athletic performance, increased strength and muscle gains, and a higher libido.

Studies have shown that Tribulus Terrestris supplementation results in increased ability in common exercises including leg press, bench, and deadlift.

Fenugreek – a herbal extract that has shown in studies to create a 98% increase in testosterone in only two months,

D-Aspartic Acid – an amino acid that increases both levels of testosterone serum and LH (luteinizing hormone) when taken at the optimal dosage as contained in Testosyn.

Boron – an essential trace mineral that also can positively contribute to testosterone production as well as decrease the estrogen hormone estradiol in a matter of days

Horny Goat Weed – famous for its use as a sexual enhancer, it’s included in the formula due to its ability to assist with increasing important nitric oxide levels, helping to relax the muscles and improve energy.

Side Effects

No side effects are reported for Testosyn. The natural ingredients used in the supplement at carefully measured quantities have all been utilized over time as natural herbal remedies with a track record of being safe.

Final Verdict

Providing a natural testosterone boosting formula that comes with a money back guarantee makes Testosyn an attractive option for:

  • Those wanting to go to the next level
  • Those who wish numerous benefits that increased testosterone levels bring
  • Those who want to break out of a stubborn plateau

Testosyn is suitable for anyone serious about getting maximum results from their training.

Editor’s Note: Our #1 rated testosterone booster is Testogen.

Testogen Review »