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Kimberly Tenner
November 30, 2019

Test Powder Review

Test Powder

USP Labs’ Test Powder likely intrigues anyone who wants to boost testosterone while enhancing his workout.

This pre-workout supplement is advertised as having the additional benefit of naturally elevating testosterone levels. Consumers are even told they “ooze testosterone” by taking this product.

While that claim isn’t meant literally, Test Powder is clearly aimed at people hoping to build muscle and get ripped. Let’s see if Test Powder brings users closer to those fitness goals.

How Can You Get Results with Test Powder?

Although Test Powder is a pre-workout supplement, its usage directions are different from those of most pre-workout powders. Instead of taking it approximately 30 minutes before a gym session, people are told to take a 2-scoop serving with their morning meal 6 days a week.

Additional usage directions say to cycle Test Powder on and off every 4 weeks and not to take this product with alcohol.

Because those directions are specific, I recommend following them as closely as possible to be on the safe side. Do not exceed the recommended dose, although you could use 1 scoop instead of 2 if you want. Also, be sure to exercise regularly when taking Test Powder.

Is Test Powder Expensive Compared to Other Pre-Workouts?

Most websites I visited sell Test Powder for between $30 and $40, not including shipping charges. Considering Test Powder is a pre-workout supplement and a testosterone booster, that price is more than reasonable.

For comparison purposes I looked at the top testosterone boosters and pre-workouts on On that site, the best rated testosterone boosters cost between $30 and $75. Similarly the best pre-workouts sell for $30 to $50.

With a price in the middle or low side of those price ranges, Test Powder is a good deal, especially for people who use both a pre-workout and a testosterone supplement.

What Are the Main Ingredients?

Test Powder uses a proprietary blend and individually listed ingredients. Here’s a quick examination of the most prominent ingredients’ tested effects.

Also known as betaine, trimethylglycine is a chemical used to treat many medical conditions, to reduce obesity, and to enhance athletic performance. [1] According to one study, college-aged men who took trimethylglycine for 14 days performed more squats. However, trimethylglycine did not otherwise improve athletic performance. [2]

L-Carnitine Tartrate
L-carnitine is an amino acid involved in cellular energy production. People take L-carnitine to increase mental focus, raise energy, and burn fat. [3] Some research shows L-carnitine tartrate speeds recovery from exercise because of how this ingredient affects certain hormones. [4]

D-Aspartic Acid
D-aspartic acid is an amino acid and neurotransmitter. Men given D-aspartic acid for 12 days showed an increase in testosterone levels and luteinizing hormone, which also affects testosterone production. [5] Research indicates D-aspartic acid improves sperm quality as well, another indication it affects testosterone. [6]

Agmatine Sulfate
Agmatine sulfate is commonly used as a nitric oxide booster similar to arginine. Several animal studies show agmatine encourages blood vessels to dilate after producing nitric oxide gas. [7] Dilated blood vessels allow for faster blood flow and speedier nutrient delivery to muscles and other tissues.

Mucuna Pruriens
Mucuna pruriens is a plant that contains the chemical L-dopa. [8] L-dopa encourages the brain to produce more dopamine and other brain chemicals and hormones. In one study, infertile men who took mucuna pruriens experienced rises in testosterone. [9] However, it isn’t clear from currently available research if mucuna pruriens raises testosterone in fertile men.

Is Test Powder Safe for Everyone?

USP Labs included a long list of warnings on the nutrition facts for Test Powder. This product is safe for healthy people who work out regularly. But, the following people shouldn’t take Test Powder:

• People taking medications
• People with pre-existing conditions
• Pregnant women
• Women who may get pregnant
• People having surgery in 2 weeks or less

Will Test Powder Energize Your Workout?

Test Powder is promoted mainly as a workout enhancer, but its ingredients may also help people raise testosterone. Test Powder’s main ingredients are tested for releasing energy, burning fat, and encouraging testosterone production.

The best thing about Test Powder seems to be its economical price. For the price of a single supplement, consumers can have both a workout supplement and a testosterone booster. As long as you’re in good health and plan to exercise several times a week, Test Powder is worth trying if you want to work out harder and longer.


[1] WebMD. “Betaine Anhydrous.” Available from:

[2] Hoffman, JR, NA Ratamess, et al. “Effect of betaine supplementation on power performance and fatigue.” Journal of the International Society of Sports Nutrition. 6.7 (2009). Available from:

[3] WebMD. “L-Carnitine.” Available from:

[4] Kraemer, WJ, JS Volek, et al. “The effects of L-carnitine L-tartrate supplementation on hormonal responses to resistance exercise and recovery.” Journal of Strength and Conditioning Research. 17.3 (2003): 455-62. Available from:

[5] Topo, Enza, Andrea Soricelli, et al. “The role and molecular mechanism of D-aspartic acid in the release and synthesis of LH and testosterone in humans and rats.” Reproductive Biology and Endocrinology. 7. (2009): 120. Available from:

[6] D’Aniello, Gemma, Salvatore Ronsini, et al. “D-Aspartate, a Key Element for the Improvement of Sperm Quality.” Advances in Sexual Medicine. 2.4 (2012): 45-53. Available from:

[7] Gao, Y, B Gumusel, et al. “Agmatine: a novel endogenous vasodilator substance.” Life Sciences. 57.8 (1995): PL83-6. Available from:

[8] WebMD. “Cowhage.” Available from:

[9] Shukla, KK, AA Mahdi, et al. “Mucuna pruriens improves male fertility by its action on the hypothalamus-pituitary-gonadal axis.” Fertility and Sterility. 92.6 (2009): 1934-40. Available from:

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