Tribulus terrestris has plenty of supporters and evidence based research to back up the claims that it can help boost testosterone, help build lean muscle and lower body fat as well as many other health benefits.
But, as with many things in life, not all things are created equal and you need to read the small print in order to make sure that the supplement you are considering contains an extract from a quality source of tribulus terrestris.
In this guide we take a look at some of the bestselling and best reviewed brands selling tribulus terrestris online.
Please note: all prices quoted in this guide were correct as of Monday 12 June 2017. They may change over time.
At the time of writing, this powerful tribulus supplement is packing one of the highest purity on the market and is currently the bestselling single dose extract on Amazon.com. With 45% steroidal saponins, BRI’s source is from Bulgarian tribulus. This particular plant is the only strain of trib that contains Sulphated spirostanol and furostanol saponins; two powerful compounds that work in addition to protodioscin to boost androgen receptors. Bulgarian tribulus has more than twice the active muscle building compound than other species of the plant.
BRI Nutrition’s current bestseller on Amazon is a 1500mg, maximum strength supplement and contains a 90 day supply (2 x 750mg capsules daily) and is priced at $21.88.
Average customer reviews are 4.2 out of 5 stars across over 1200 customers.
Bio Science Nutrition
Taking an extract from the whole plant, Bio Science Nutrition’s product has also been standardised to contain a maximum strength supplement of tribulus terrestris and contains 45% (or 675mg per serving) of steroidal saponins.
The supplement is made in the USA and contains no allergens, GMOs, binders, fillers or preservatives. The product is produced in an FDA and GMP certified facility that is third-party tested for purity. The only other ingredients (components of the capsule) include vegetable cellulose, silicon dioxide and vegetable magnesium stearate.
Also offering a 90 day supply (2 x 750mg daily), Bio Science is priced at $19.95.
The product has a customer satisfaction rating of 4.4 stars out of 5 from a total of around 130 customer reviews.
Standardised to a level of 45% steroidal saponins but supplied in 1000mg tablets (up to 2 tablets to be taken daily), the tribulus terrestris found in this supplement is from the fruit and aerial parts only.
The formula is 100% vegetarian and contains 130mg per serving of calcium (from calcium carbonate). There are no allergens in the ingredients but the supplement is produced in a GMP facility that does process products that may contain wheat, gluten, milk, soy, shellfish, egg or tree nut ingredients.
A supply of 90 tablets can last for 90 days if you take one per day and costs $11.00.
Average customer ratings for this product are 4.2 out of five stars from almost 360 customer reviews.
Nutra Rise: Extreme Tribulus
Offering a pure Bulgarian extract at levels of 95% steroidal saponins with 80% protodioscin, this max strength supplement of tribulus terrestris is sold in capsule strengths of 650mg (2 per day).
The supplement is manufactured in the USA and adheres to GMP guidelines with independent purity testing. A vegetarian recipe, the only other ingredients are rice flour and vegetable cellulose to create the capsule.
There are 120 capsules per container size covering a 60-day supply at a cost of $18.99.
Average customer ratings are 3.4 stars out of 5 across over 360 customer reviews.
With 40% steroidal saponins, this supplement from GNC contains Vegetable Cellulose Capsule, Cellulose and Dicalcium Phosphate. The servings of 1000mg equate to two capsules and each container will provide a 45 day supply.
The cost of 90 capsules is $21.99. A vegetarian formula, the product contains no sugar, starch, artificial colors/flavors or sodium. They are wheat-free, gluten-free and yeast-free.
GNC has a strong reputation in the herbal supplement market but this product currently has no active reviews on Amazon.
Containing a dose of 1440mg per serving (two capsules per serving) with a standardized steroidal saponin content of 45%, this supplement from Biogreen Labs is a popular brand due to a mixture of good customer reviews, low price and high dosage levels of tribulus terrestris. The product is manufactured in the USA and is 100% natural containing only vegetable cellulose and magnesium stearate making it a fully vegetarian supplement.
The cost of 60 capsules for a 30-day supply is $11.51.
The average customer rating is 3.9 stars out of 5 across 386 reviews.
Made in accordance with GMP, the capsules are dosed at 625mg of tribulus terrestris extract with 40% furastanol (steroidal) saponins strength. The extract is taken from both the fruit and the aerial parts of the plant.
Manufactured in the USA, the capsules are made with gelatin and contain silica as well as magnesium stearate.
Serving size is intended to be a single capsule and a container of 100 servings will cost $10.12.
The Optimum Nutrition brand receives an average rating of 4.2 out of 5 stars across 100+ customer reviews.
Manufactured in the USA, the MET-Rx brand of tribulus terrestris is packaged in 750mg capsule doses.
The ingredients of the product consist of:
- 750mg of tribulus terrestris extract (fruit) standardized to 40% saponins.
- Plant cellulose
- Less than 2% Croscarmellose
- Less than 2% Silica
- Less than 2% Vegetable magnesium stearate
Containing 90 capsules per container (up to 2 recommended daily), the cost of this product is $8.37 and is one of the lowest priced tribulus terrestris products available. The MET-Rx supplement works out at just 9-18 cents a day.
Average customer reviews give this product an overall rating of 3.9 stars out of 5 across 116 reviews.
Similar in dosing size to MET-Rx, these 750mg capsules contain only Bulgarian tribulus terrestris extract and are standardised to deliver 90% saponins.
Allmax claim that the plant is harvested from the wild only in peak season making their product superior and organic.
90 capsules will cost you $18.50.
Average reviews come in at 3.9 stars out of 5 across just 32 customer reviews.
The only best selling tribulus terrestris extract sold as loose powder, Bulk Supplements supplies a factory sealed product with 250g with recommended each dose being 600mg to 1000mg (up to 250 servings) up to twice daily. There are no other ingredients in this extract being 100% pure tribulus powder and standardized to 45% steroidal saponins.
The price is just $14.21 with lower costs being available for bulk purchases.
Average reviews bring this product in at 4.3 stars out of 5 with over 350 reviews.