"Just…incredible. I’ve taken a handful of test boosters over the years. Taken them for months at a time as well as time off to see and feel the difference. This one really hits. An absolute game changer. Mental clarity, drive and energy all day long. I wish I knew this was around and worked like this a long time ago. Regardless, so happy I’m using this now."
Derek C.
Verified Buyer
"Excellent"
4.8
247,353 Optimized Men

Fuel Your Natural Testosterone.

With Today's Subscribe & Save Offer*
Select Plan
Best Deal
2 Month Protocol Bundle
60 serving supply, delivered every 3 months
$39.00/mo
$79.00
  • (rebills in 60 days at $79)
  • 270ct Bag · Test Gain™ High Dose Protocol
  • Pill Pouch
  • Vitamin D3+K2
  • Test Gain Guide (eBook)
2 Month Protocol + Test Kit
40 serving supply, delivered every 2 months
$44.00/MO
$197.00
  • (rebills in 60 days at $79)
  • 270ct Bag · Test Gain™ High Dose Protocol
  • At-Home Testosterone Test Kit ($250 value)
  • Pill Pouch
  • Vitamin D3+K2
  • Test Gain Guide (eBook)
1 Month Product Trial Only
20 serving supply, delivered every 1 month
$49.00/MO
$59.00
YOU SAVE $95
$124.00
$29
🎁 Bonus gifts in your  shipment 🎁
Exclusive FREE Gifts on Orders by Mar 13th
FREE $50.00
Locked
FREE $5.00
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FREE $35.00
Locked
Usually  $250
Locked
t-Guide
Pouch
D3+K2
At-Home Testosterone Test Kit
THE PROBLEM

Signs Your T Needs Attention ⚠️

If you are experiencing more than two of these symptoms, your body is likely starving for natural hormonal support.

LOW CONFIDENCE

Feeling less assertive, more anxious, or socially withdrawn

LOW ENERGY

Feeling constantly fatigued and struggling to stay motivated

WEIGHT GAIN

Feeling constantly fatigued and struggling to stay motivated

WEAKNESS

Reduced strength, muscle mass, and physical performance

MOOD SWINGS

Increased irritability, anxiety, or difficulty managing stress

LOW LIBIDO

Decreased sex drive and challenges with sexual performance

THE PROBLEM

Signs Your T Needs Attention ⚠️

If you are experiencing more than two of these symptoms, your body is likely starving for natural hormonal support.

LOW CONFIDENCE

Feeling less assertive, more anxious, or socially withdrawn

LOW ENERGY

Feeling constantly fatigued and struggling to stay motivated

WEIGHT GAIN

Feeling constantly fatigued and struggling to stay motivated

WEAKNESS

Reduced strength, muscle mass, and physical performance

MOOD SWINGS

Increased irritability, anxiety, or difficulty managing stress

LOW LIBIDO

Decreased sex drive and challenges with sexual performance

WHAT TO EXPECT

Your 90 Day Journey

DAY 7

ACTIVATION

  • Tongkat Ali blocks stress hormones
  • Pre-digested nutrients feed starving testosterone cells
  • Workouts feel explosive and intense again
  • All-day energy that doesn't crash

DAY 30

TRANSFORMATION

  • Tongkat Ali blocks stress hormones
  • Pre-digested nutrients feed starving testosterone cells
  • Workouts feel explosive and intense again
  • All-day energy that doesn't crash

DAY 90

OPTIMIZATION

  • Tongkat Ali blocks stress hormones
  • Pre-digested nutrients feed starving testosterone cells
  • Workouts feel explosive and intense again
  • All-day energy that doesn't crash

13 Active Compounds.Zero Fillers.

Clinically dosed, fully transparent panel. Enhanced with our proprietary enzyme delivery system for maximum cellular uptake.

Tribulus Terrestis

1,000 MCG

Boosts testosterone production by up to 90% in 10 days, enhances libido, and supports explosive muscle growth.

Eurycoma Longifolia

100 MCG

Increases free testosterone levels while reducing cortisol interference for sustained energy and male vitality.

Pygeum Africanum Bark

100 MCG

Maintains healthy testosterone levels while supporting prostate function and enhancing sexual performance.

SAW PALMETO

400 MCG

Maintains healthy testosterone levels while supporting prostate function and enhancing sexual performance.

B-Vitamin Complex

4,000 IU

Fuels testosterone production pathways while boosting energy, focus, and cellular metabolis

BIOTIN

4,000 IU

Fuels testosterone production pathways while boosting energy, focus, and cellular metabolism.

ZINC

675 MCG

Essential mineral for testosterone synthesis and metabolism. Critical for optimal male hormone production.

BORON

675 MCG

Increases free testosterone and helps regulate estrogen levels for improved hormonal balance.

Selenium

4 MG

Protects testosterone-producing cells from damage while supporting healthy thyroid
and metabolic function.

CoPper

4 MG

Supports testosterone production enzymes and helps maintain healthy hormone balance and energy metabolism.

Manganese

4 MG

Activates enzymes involved in testosterone synthesis while supporting bone health and metabolic function.

L-Arginine

4 MG

Improves blood flow and circulation to optimize testosterone delivery throughout the body and enhance performance.

Molasses

4 MG

Natural source of minerals that support testosterone production and provides sustained energy for workouts.

Opti-Blend Delivery System

4 MG

Pre-digests nutrients with enzymes for maximum testosterone support absorption and utilization.

Unleash  Maximum LEVELS

with Test Gain™

Designed to power your workout with pump, focus, and endurance*
TEST GAIN™
TRT
OTHER BRANDS
3rd-Party Lab Tested
✅
❌
❌
Clinically Dosed Ingredients
✅
✅
❌
8 Science-Backed Ingredients
✅
❌
❌
Designed for Natural Support
✅
❌
❌
90 Day 100% Satisfaction Guarantee
✅
❌
❌

Full Protocol with Testosterone Test Kit.

Join hundreds of thousands of high-performers making Test Gain™ a daily habit, natural testosterone support using predigested herbs, whole food vitamins, and organic minerals to lift heavier, think clearer, and recover faster.
Your Full Protocol Includes
FIRST TIME  PURCHASE INCLUDES:
Test Gain™ High Dose Protocol · 270ct Bag  
Pre-digested testosterone booster for maximum absorption
and explosive results
$372
$79.00
Premium Travel Pouch
Premium carrying pouch for convenient supplementation
$5.00
Ultimate Testosterone Guide
Complete optimization manual with proven strategiesfor peak masculine vitality
$50.00
At Home Testosterone test kit
Easy-to-use blood test kit to measure your testosterone
$250.00
Total
70.9% OFF
$677.00
$197.00

Test Gain™ Increases
Testosterone Production Naturally

Designed to power your workout with pump, focus, and endurance*

Meet Our Formulations
AdvisoryBoard

Meet Our Formulations
Advisory Board

Instantized Creatine® turns gains into a 10-second habit, no grit, no bloat.
Douglas D. Grant
Founder and CEO at Optimal Health Systems
Douglas D Grant is the visionary founder of Optimal Health Systems and was the first nutritionist ever hired by the NBA. With over three decades of experience in sports nutrition and supplement formulation, he has worked with elite athletes, professional teams, and health optimization experts. His groundbreaking research in nutrient absorption and bioavailability has revolutionized how supplements are formulated for maximum effectiveness.
Dr. Marc Harris, MD, ND, PhD
Internationally Recognized Hormone Researcher
Dr. Marc Harris, MD, ND, PhD, is a physician and naturopathic doctor with advanced expertise in endocrinology, biochemistry, and human physiology. A published researcher and author of Naturopathic Endocrinology, he has dedicated his career to studying hormones and natural approaches to optimizing hormonal health, including the development of formulations designed to support healthy testosterone levels.
Dr Richard Teh M.D.
Board-Certified Physician with 35+ Years of Clinical Experience
Dr. Richard Teh, MD, is a veteran physician with more than 35 years of experience in internal medicine and metabolic health. Over the course of his career, he has developed extensive expertise in the physiological factors that influence energy, metabolism, and hormonal function, including testosterone regulation. His work focuses on identifying practical strategies to help support healthy hormone levels and long-term vitality.

See a Massive Difference in 90 DayS Or Your Money Back

We guarantee every customer achieves measurable testosterone gains or we refund you 100% of your investment. We're so confident Test Gain™ will transform your performance that we bear all the risk.

Why 250K Choose us daily

Join the movement of peak performers who've made Test Gain™ their daily edge

JUST…INCREDIBLE

I’ve taken a handful of test boosters over the years. Taken them for months at a time as well as time off to see and feel the difference. This one really hits. An absolute game changer. Mental clarity, drive and energy all day long. I wish I knew this was around and worked like this a long time ago. Regardless, so happy I’m using this now.

Derek C.
VERIFIED BUYER

GAME CHANGER!

I’ve noticed a HUGE difference in energy and overall stamina while working out using this product. Would highly recommend!

Austin S.
VERIFIED BUYER

GREAT SUPPLEMENT

This supplement is great. Especially when you mix it with creatine. I'm 50 years old and I have been training since I was 19 I have tried a lot of products out there. Since I discovered gains in bulk I am in the best shape of my life.

Robbie H.
VERIFIED BUYER

THIS WORKS

As an older athlete looking for healthy ways to stay in the game, Test Gain is proving to be a pleasant surprise - better sleep and recovery, great pumps, and an overall feeling of vitality and more energy with no side effects or weird moods.

Tim C.
VERIFIED BUYER

AMAZING SUPPLEMENT

I feel great taking this and their other products and look forward to working out and pushing myself harder each time. I feel like im in my 20s again at the gym since I started taking these. Will continue to take Test Gain for sure.

Jerry S.
VERIFIED BUYER

SAFE AND EFFECTIVE

I really needed a safe test product to use and Gain and Bulk delivered. There are no extra additives in their test booster. It’s a clean product that I feel safe taking. I am able to do heavier lifts. Great product!

John Z.
VERIFIED BUYER
Test Gain - Pure 3D Glassmorphism

Frequently Asked Questions

Got questions? We've got answers. Everything you need to know about maximizing your results with Test Gain™
Within the first week, most men experience dramatic increases in energy, improved sleep quality, and enhanced mental clarity...Within four weeks, a massive increase in strength, vitality, and power becomes noticeable.By the eighth week, the full spectrum of benefits become apparent, and with consistent use of Test Gain™, these effects are sustained for the long term.
Test Gain™ supports healthy male hormones, such as testosterone, which are critical for living a vital, energized life. Our unique pre-digested formula ensures maximum absorption for sustained energy without crashes.
Increases in testosterone support efforts in the gym. Many customers report total testosterone increases of up to 90% in just 10 days, which can support lean body mass and explosive muscle building in the gym.
If for any reason you are not completely satisfied with your purchase, you can request a refund within 90 days of delivery of your first order. We'll refund you for the full cost of the product no questions asked. For all subsequent shipments, you may reschedule or cancel at any time in Your Account.
No you don't need to cycle Test Gain™. If you want to do a "Reset Week" every 3-4 months, this won't hurt though. Our founder does a "Reset Week" every few months with all his supplements.
GAINS IN BULK, LLC
8150 E Germann Road Building #2, Suite #115 | Mesa, Arizona 85212 United States
Have Questions or Need Support?
support@gainsinbulk.com
(833) 441-7877
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Before taking any dietary supplement consult with you doctor, especially if you have any medical condition or are taking any medication. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
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