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Sigma – Testosterone Booster (120 Capsules)

Sigma – Testosterone Booster (120 Capsules)

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Sigma – Testosterone Booster (120 Capsules)

Rated 4.8 out of 5
994 Reviews|5 Questions | 209 Answers|
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About This Product

  • Promotes increased testosterone and free testosterone levels
  • 3rd-party tested formula

Promote higher testosterone and free testosterone levels with Sigma from Gorilla Mind. This 3rd-party tested formula supports optimal nutrient and mineral intake, androgen biosynthesis, binding protein interactions, and stress management with vitamin d3, magnesium, zinc, boron, Fadogia Agrestis, Tongkat Ali, and KSM-66®.

Frequently Asked Questions

What is “free” testosterone?

“Free” testosterone refers to testosterone that isn’t bound to proteins. Free testosterone affects muscle mass, sex drive, and energy.

What is androgen biosynthesis?

Androgen biosynthesis is the process in which sex steroid hormones (androgens) are made. Androgens play a role in maintaining reproductive health, muscle tone and mass, cardiovascular health, and cognitive function.

What is Fadogia Agrestis?

Fadogia Agrestis is a plant native to Nigeria that is often used to promote elevated testosterone levels.

What is Tongkat Ali? 

Tongkat Ali is an herb derived from the Eurycoma longifolia shrub. It has been shown to support sexual health and vitality in males. 

What is KSM-66?

KSM-66 is a branded, full-spectrum ashwagandha extract that supports healthy testosterone levels, performance, and the body’s response to stress.

Read More

Directions

For best results, take two (2) to four (4) capsules spread throughout the day. Do not exceed four (4) capsules in any 24 hour period. Sigma Testosterone Booster* should be cycled. Take daily for 1 month, then at least 1 week off before resuming use.

Warning

KEEP OUT OF REACH OF CHILDREN. This product should not be taken by individuals who are pregnant, nursing, have or suspect a medical condition, are taking any medications, or are under 18 years of age. Consult a physician before taking this or any other dietary supplement. Store in a cool, dry place.

Updated Jan 15, 2026
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Serving Size: 2 Capsules
Number of Servings: 60 Servings
Amount Per Serving
% Daily Value
VITAMIN D3  - (AS CHOLECALCIFEROL)
188%
MAGNESIUM  - (AS MAGNESIUM BISGLYCINATE)
24%
ZINC  - (AS ZINC BISGLYCINATE)
137%
FADOGIA AGRESTIS  - (10:1)(STEM)
**%
TONGKAT ALI EXTRACT  - (ROOT)(STANDARDIZED TO 1% EURYCOMANONE)
**%
ASHWAGANDHA EXTRACT  - (KSM-66)(ROOT)(STANDARDIZED TO 5% WITHANOLIDES)
**%
BORON  - (AS BORON CITRATE)
**%

Other Ingredients:

Hypromellose (HPMC) Capsule, Vegetable Magnesium Stearate, Silicon Dioxide.

Brand:
Gorilla Mind
Form:
Capsules
Serving Size:
2 Capsules
Number of Servings:
60 Servings
Price per Serving:
($0.83 / serving)
Product Weight:
5  OZ
Item # :
GMD-11726 / 2277259

  • Aspiring Bodybuilders: Individuals aiming to enhance muscle mass and strength may find this supplement beneficial as it supports free testosterone levels, crucial for muscle development.
  • Men Over 40: Those experiencing age-related changes may benefit from ingredients that support healthy testosterone levels, helping to maintain vitality and energy.
  • Active Lifestyle Seekers: People engaging in regular physical activities might seek the support this product offers for nutrient intake and recovery, enhancing their workout performance.
  • Stress-Affected Individuals: For those managing daily stress, the formula includes ingredients like KSM-66® Ashwagandha extract to support stress management, promoting a balanced well-being.
  • Health-Conscious Individuals: Individuals focused on maintaining overall reproductive health and cardiovascular function could benefit from the comprehensive profile of testosterone-supporting ingredients included in this supplement.

994 Ratings
4.8out of 5 stars
994 Ratings

Rated 5 stars by 85% of reviewers

Rated 4 stars by 11% of reviewers

Rated 3 stars by 3% of reviewers

Rated 2 stars by 1% of reviewers

Rated 1 star by 1% of reviewers

Would you recommend?
1-10 of 994 Reviews
Rated 5 out of 5
May 30, 2026
Good quality
Quality ingredients. After stopping using exogenous assistance, this has been the exact performance boost that I needed. My workouts have been much better quality and my mood has been improved greatly.
Brandon O.
Rated 5 out of 5
May 29, 2026
Good product for sure
Been using the product for 15 days now, have better energy through out the day. Waking up feeling less groggy. Muscles feel harder and the pump is coming quicker. I believe I'll keep using Sigma for the foreseeable future.
Chris C.
Rated 5 out of 5
Apr 29, 2026
I endorse this product.
This product has proven to be highly effective. As a 46-year-old individual, I have experienced enhanced cognitive clarity and sustained energy levels, both professionally and during my fitness regimen. In my role within the healthcare sector, where I engage with numerous individuals during shifts ranging from 12 to 24 hours, this product consistently maintains my focus, energy, and alertness. Furthermore, it facilitates my ability to transition directly to the gym post-shift, enabling me to maintain my physical conditioning. I wholeheartedly endorse this product.
Daron A
Rated 4 out of 5
Apr 27, 2026
Sticky
I do really like this product. It's the third time I bought it. Unfortunately this time the pills are sticking together fairly bad. Kind of a pain.
Justin K.
Rated 4 out of 5
Apr 14, 2026
Solid product
I think it's solid
Steven P
Rated 5 out of 5
Mar 24, 2026
Will keep on buying
Always good, I cycle it.
Juan C.
Rated 5 out of 5
Mar 15, 2026
Love it
Love it
nicholas J.
Rated 5 out of 5
Feb 22, 2026
Feeling good!
Already feeling better Strett just a week. Really excited to see this through
Derek B.
Rated 5 out of 5
Feb 19, 2026
Awesome product! Noticeably stronger and
Awesome product! Noticeably stronger and more energetic.
Harvey T.
Rated 5 out of 5
Feb 16, 2026
It just works
Ive tested sigma twice. It increased my levels by 100 points each time.
Moose
Disclaimer:

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

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5 Questions
Why did you choose this?
The Vitamin ShoppeStore

it helps with sleep!

Kyle T

The rating and product info sounded like what I was looking for. I wanted to try a new product.

robert g

Because it’s awesome

BRIAN T

build strength and reviews seem to portray that

Andrew G
Will this interact negatively with ultimate man 50?
KEIR C

Best Answer:  Yes you can use the ultimate man 50 with this supplement as they will not interfere with each other.

Kevin V.staff

Yes Correct.

Sahil P
Do I need to take a liver cleanse after this?
A shopper

Best Answer:  No, you do not need to use a liver cleanse or liver support after use or during use.

Kevin V.staff
Does this cause your heart to accelerate or palpitate?
A shopper

Best Answer:  This supplement does not contain any stimulants or caffeine so it will not accelerate your heart rate.

Kevin V.staff
Can Women Benefit from taking this product?
A shopper
Disclaimer:

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of the Vitamin Shoppe. Vitamin Shoppe does not verify or endorse any claims made in these reviews.Please read the full product reviews disclaimer.

 

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  2. Place your online order of $45 or more* - after promotions and before tax are applied
  3. Use "Standard" shipping option at checkout

Orders will be shipped within 24 hours of order placement*, pending verification of billing information and shipping method selected. International orders and orders containing gift cards or items that are not currently in stock will be processed as quickly as possible.

 

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About Gorilla Mind

Gorilla Mode Lean Beef Patty Signature Series Pre-Workout Formula – Patty's Iced Tea (1.76 lbs./40 Servings)

Shop Gorilla Mind

Experts Break it Down

These Food And Drink Habits Can Lower Your Testosterone

These Food And Drink Habits Can Lower Your Testosterone

Ahead, hormone specialists explain why healthy testosterone levels are essential for optimal overall health and well-being, as well as how diet can influence T for better or worse.

4 Herbs That Support Healthy Testosterone

4 Herbs That Support Healthy Testosterone

While a number of factors contribute to healthy T levels in both men and women, your daily supplement routine can have a bigger impact than you might realize. Ahead, health experts explain the importance of having healthy testosterone levels, as well as how you can support yours naturally.

4 Signs You Have Low Testosterone

4 Signs You Have Low Testosterone

Testosterone. The male sex hormone guys have to thank for their deep voices, facial and body hair, and muscular strength, also plays a role in a number of unseen (yet vital) aspects of men’s health. Here’s how to tell if you’ve got low T—and what to do about it.

How Does Testosterone Replacement Therapy Work—And Is It Right For You?

How Does Testosterone Replacement Therapy Work—And Is It Right For You?

While TRT is becoming more and more common, few men understand what testosterone replacement therapy is, exactly. We tapped a team of hormone specialists for all of the details so that you can make a truly informed decision about whether TRT might be a good move for you.

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