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Test Booster (by True GRIT): Review


Testosterone supplements (aka testosterone boosters) have seen a sharp rise in popularity in recent years thanks to all the bad publicity medically prescribed testosterone replacement therapy has received in recent years.

Test Booster by True GRIT is one of the newest supplements to hit the market.

Advertising Claims

  • Dramatically boost serum testosterone
  • Increase free testosterone and decrease estradiol in 7 days
  • Decrease cortisol to testosterone ratio

Manufacturer Name & Address

True GRIT, 381 North Service Road West, Oakville, ON L6M 0H4, Canada


  • Zinc (as Zinc gluconate) (15 mg): is a type of essential mineral that helps to regulate certain enzymes. Zinc is believed to possess immune-boosting and anti-oxidant qualities. Zinc normally leaves the body through sweat, and this possibly explains why zinc levels drop so low after a workout session. Moreover, zinc has shown a remarkable ability to sky-rocket testosterone levels as seen in repeated studies, as illustrated here.
  • Fenugreek Extract (as Trigonella foenum-graecum), seed Standardized to 50% Saponins (300 mg): is a type of plant known for its anti-diabetic effects and libido enhancement. One study involving 30 male subjects were given 500 mg fenugreek every day, and researchers noted increases in both testosterone and bioavailable testosterone, whilst DHT remained unaffected.
  • Broccoli (as Brassica oleracea) whole plant Supplying Diindolylmethane (DIM) (250 mg): is said to possess anti-estrogen qualities; however I was unable to find any studies to confirm this.
  • Ashwagandha Extract (Sensoril®) (as Withania somnifera), root and leaf ) (125 mg): is a type of herb known for its neuro-protective/anti-cancerous/anti-anxiety/pro-fertility effects. At least 4 studies have suggested that daily Ashwagandha supplementation managed to improve sperm quality and testosterone levels. Take this study for example where 57 men were administered 300 mg twice daily for 8 weeks. Researchers noted increases in muscle size, serum testosterone AND muscle recovery.
  • Shilajit Extract (PrimaVie®) (Standardized to 50% Fulvic Acid) (100 mg): is a mixture of minerals, Fulvic acid being the main bioactive. Although research on this ingredient is in its early days, one study involving a 200 mg daily supplementation on infertile men over 90 days saw average increases in testosterone by 23.5%, the FSH increased by 9.8% and the luteinizing hormone remained unaffected. Effects on healthy males remain unknown.
  • Boron Citrate Supplying 5mg of Boron (100 mg): is a type of dietary mineral which has shown to increase testosterone when supplemented at higher doses than what is normally found in food. One study involving a 3 mg daily supplementation over 119 days noted significant increases in testosterone AND estrogen in both sexes. An altogether different study involving a 10 mg boron supplementation on eight male subjects over 6 days saw reductions in estrogen, and increases in free testosterone in six of the eight subjects.
  • Safed Musli Extract (as Chlorophytum borivilanum), root (Standardized to 5% Saponins) (50 mg): is a type of Rasayana herb known for its adaptogenic and aphrodisiac qualities. Preliminary rat studies seem to suggest it possesses pro-erectile and aphrodisiac properties.
  • Bladderwrack Extract (as Fucus vesiculosus), whole plant (50 mg): is a form of seaweed packed with Fucoxanthin. This ingredient is believed to enhance the metabolism as well as insulin sensitivity, as noted in this study.
  • Yacon (as Smallanthus sonchifolius), root (50 mg): is a recognized metabolism enhancer. One study involving a 20 g daily supplementation noted reduced transit times from stomach to anus by up to 64%

Is the Marketing Honest?

The first claim that Test Booster dramatically boosts serum testosterone most likely refers to Ashwagandha Extract, which demonstrated increases in serum testosterone, muscle size and muscle recovery. I’m not too sure about the word “dramatically” because the study it refers to is unclear on this.

The second claim that Test Booster helps to increase free testosterone and decrease estradiol in seven days seems like stretching the truth a little. I’ve gone through as many studies as possible looking into the ingredients used, and I was unsuccessful in establishing exactly what ingredients contributed to estradiol reduction.

Nevertheless, with ingredients like zinc, fenugreek extract, Ashwagandha Extract, and to a lesser extent boron (which increases testosterone AND estrogen), will no doubt encourage increased testosterone production.

And the final claim that Test Booster decreases cortisol to testosterone ratio leaves me a bit baffled, because again, I was unable to find anything in any of the ingredients to substantiate this claim.

Does Test Booster Come With a Moneyback Guarantee?


Can Test Booster Trigger Any Side Effects?

Test Booster appears to be side-effect free.

How Much Is It?

  • 1 month supply, 120 capsules $29.99

Test Booster Pros & Cons


  • Reasonable price
  • Side effect free


  • Not all ingredients match purported benefits
  • Some ingredients need more study
  • No moneyback guarantee
  • Advertising claims exaggerated

Where Can I Buy Test Booster?

You can buy Test Booster from

Test Booster Final Verdict

Although Test Booster by True Grit is extremely reasonably priced, and its side-effect free, some of the advertising claims are not entirely accurate.

Moreover, a good chunk of the ingredients definitely require more study and with the absence of a moneyback guarantee, there is plenty of room for improvement.

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About Editorial Staff 90 Articles

Article vetted by senior Low Testosterone Answers staff after verification of all sources used herein, as well as consulting with appropriate professionals/experts relevent to the subject matter within this article.

If you have questions regarding any aspect of this article, use the “contact” page to submit your queries.

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