Syntheroid Review

(Last Updated On: January 11, 2015)

Does Syntheroid Work?

Syntheroid is one of the most popular testosterone boosting supplements in the USA.. formulated by XPI Supplements it claims to greatly improve performance, libido, muscle mass and strength.

The manufacturers tell us that the formula is a combination of powerful ingredients that could increase testosterone levels by up to a massive syntheroid-featured42%.

The Formula

Their transparency in disclosing the full ingredient list is refreshing, many manufacturers ( we find) don’t always give the full information.  The phrases often used can include ‘complex’ or Proprietary blend’.

Syntheroid Contains

  • Testofen         300mg
  • D-Aspartic Acid 1560mg
  • Horny Goats Weed 150mg
  • Tribulus Terrestris 150mg
  • Maca Root 100mg
  • Mucuna Pruriens 100mg
  • Boron 5mg
  • Bioperine 5mg
  • Eurycoma Longifolia 100mg


The recommended daily dose is 3 capsules, twice daily – (6 caps per day).

syntheroid-supplement-facts-new-261x300Users Verdict

Many favourable reviews can be found on the official website, independent reviews tend to more mixed…

Some users have been pleased with the results, although some feel that 6 capsules was rather a lot to take and there have been reports of some less than favourable side effects – making Syntheroid not the best choice for some.

Side Effects Reported

Some users complained of stomach upsets, heartburn and wind (tended to be within 30 minutes of ingesting the capsules) other users reported sore nipples and even a small increase in breast tissue.  Temporary loss of sex drive after finishing the course has been reported, a cause for worry?

Where To Buy Syntheroid

The makers sell direct from their official website, prices start at $59.95 plus a shipping charge

You can also purchase through Amazon and Ebay


The makers offer a 90 day cash back guarantee on orders but this only applies if you order directly from the official site….

Do I Buy Syntheroid ?

The product is attractively presented on the official website with full information on the ingredients.

Looking more closely at the formulation however, we feel there are some concerns.

There is a distinctive lack of vital muscle growth ingredients, including Vitamin D, ZMA – a blend of Zinc, Magnesium and Vitamin B6 – these are a must for effectively increasing muscle growth and strength.

D-Aspartic acid, a clinically proven T boosting ingredient is present together with Fenugreek (Testofen)  but the remaining ingredients actually have no clinically proven testosterone boosting muscle increasing properties.  Mucuna Pruriens, Maca and Boron are, however, known to help provide minor increase in libido.

If you are simply looking to increase libido, Syntheroid could possibly be a decent choice..

However -If you are aiming to increase strength and muscle mass…We feel that this may not be the product for you.. 

One product that has been proven to increase muscle mass, strength 1boxrightsmalland libido is TestoFuel..  a proven muscle booster packed with ingredients to deliver effective results, including ZMA, Vitamin D, D-Aspartic Acid, Fenugreek and other essential ingredients – its readily available worldwide, with a full cash back guarantee that contains no small print or exclusions.

Full Information On Testofuel

Highest Rated Testosterone Booster Of The Year
Testogen (Rated 5/5)

What makes Testogen our favourite muscle boosting supplement of all?

It's Easy - With an unmatched clinically approved formula, impressive results PLUS a lengthy cash back guarantee and FREE worldwide shipping.

We Tried It Ourselves - Discover Our Results


The information in this website is for advice and guidance only. It is based on our own intensive research and personal experiences, and is not intended to replace professional medical advice, or to diagnose or treat any health conditions. All rights reserved.