JYM Supplement Science

The Largest Store Selection Anywhere

Jim Stoppani Scooping Supps

10 Ways to Support Your Immune System

Here's how to keep functioning at full potential when you're training hard.

7 min read
Jim Stoppani Doing Science

Jim Stoppani's Ultimate Fat-Loss Stack

These three JYM products create a supplement synergy that will make dropping body fat just a little bit easier.

6 min read

The JYM System

Awesome Prices on JYM
Awesome Prices on JYM
Pre JYM Pre Workout Powder
Save 20% + Free Gift Pre JYM Pre Workout Powder, 30 Servings
JYM Supplement Science
9.1 4,119 Reviews
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A fully dosed pre-workout of 13 powerful ingredients working together to prime athletes for intense training sessions every time.*
$39.19
Pro JYM Protein Powder
Save 20% + Free Gift Pro JYM Protein Powder, 4 Lbs.
JYM Supplement Science
9.2 2,737 Reviews
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Protein powder blend of premium sources and ingredients for longer lasting growth helping athletes get bigger, stronger, and leaner.*
$45.58
Post JYM Recovery and Active BCAAs Powder
Post JYM Recovery and Active BCAAs Powder, 30 Servings
JYM Supplement Science
9.5 1,413 Reviews
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A post workout loaded with Jym's best formula for athlete's muscle recovery after high intensity training to refuel and rebuild.*
$37.99
Shred JYM Weight Loss Pills
Save 20% + Free Gift Shred JYM Weight Loss Pills, 240 Vegetarian Capsules
JYM Supplement Science
8.5 698 Reviews
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A true fat burner fully dosed to truly help burn fat, increase energy, and improve focus when added to a proper diet.*
$23.99
Alpha JYM Test Booster
Save 20% + Free Gift Alpha JYM Test Booster, 180 Vegetarian Capsules
JYM Supplement Science
8.4 365 Reviews
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Engineered by Dr. Jim Stoppani to support testosterone levels, increase muscle strength, reduce body fat, and help build lean mass.*
$31.98
ZMA JYM Capsules
ZMA JYM Capsules, 90 Vegetarian Capsules
JYM Supplement Science
9.1 320 Reviews
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An advanced recovery-enhancing ZMA supplement that focuses on 2 key minerals with precise Jym doses: Zinc and Magnesium.*
$18.99
Mass JYM Mass Gainer Protein Powder
Save 20% + Free Gift Mass JYM Mass Gainer Protein Powder, 5 Lbs.
JYM Supplement Science
8.1 39 Reviews
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Build lean muscle and grow with this Mass Jym 1:1 ratio of Pro Jym protein and clean carbohydrates to help reach your goals.*
$51.18
New Flavors
New Flavors
System Stack 4 Lb. Pro
Save 20% + Free Gift System Stack 4 Lb. Pro
JYM Supplement Science
9.6 41 Reviews
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Stack Your Results!
$128.76
Essential Stack
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JYM Supplement Science
n/a 0 Reviews
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High-Quality Jym Stack
$58.38
JYM Pro Mass Stack
Save 20% + Free Gift JYM Pro Mass Stack
JYM Supplement Science
n/a 0 Reviews
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A Complete Stack of Pro JYM & Mass JYM to Support Optimal Muscle Growth*
$79.17
Post JYM Stack
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JYM Supplement Science
10 19 Reviews
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Stack Your Results!
$43.98
System Stack 2 Lb. Pro
Save 20% + Free Gift System Stack 2 Lb. Pro
JYM Supplement Science
9.8 43 Reviews
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Stack Your Results!
$111.17
JYM 30-Day System
Save 20% + Free Gift JYM 30-Day System
JYM Supplement Science
9.4 3 Reviews
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Stack Your Results
$107.97
Shortcut To Size Header

Shortcut To Size

Beginner 12 Weeks
Shortcut To Shred Header

Shortcut To Shred

Beginner 6 Weeks
Alernating Rest-Pause Training Header

Alternating Rest-Pause Training

Intermediate 4 Weeks
Shortcut to Strength Header

Shortcut To Strength

Advanced 6 Weeks
Jim Stoppani Working Out Shoulders
Exercise

4 Ways Resistance Bands Can Transform Your Workout

Jim Stoppani Performing Biceps Curls
Exercise

Jim Stoppani's Secrets of Strength: Go Light to Get Strong

Jim Stoppani Lifting Heavy
Exercise

Jim Stoppani's Secrets of Shred: Scorch More Body Fat with Heavy-Light Supersets

Jim Stoppani Squatting
Exercise

Jim Stoppani's Secrets of Shred: Burn More Fat with Cardioaccelerated Rest-Pause Dropsets

Jim Stoppani Bench Pressing
Exercise

5 Keys to a Bigger Bench Press

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Jim Stoppani's 15-Minute Arm-Blaster Routine

5:22
Video Thumbnail 2

Jim Stoppani's Back-And-Fourth Back Workout

8:11
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Jim Stoppani, PhD Video Article: Are You Using The Wrong Chest Exercise?

4:29
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Jim Stoppani's "Push Your Strength" Chest Workout

6:50

Meet Dr. Jim Stoppani

Jim Stoppani received his doctorate in exercise physiology with a minor in biochemistry from the University of Connecticut. Following graduation, he served as a postdoctoral research fellow in the prestigious John B. Pierce Laboratory and Department of Cellular and Molecular Physiology at Yale University School of Medicine, where he investigated the effects of exercise and diet on gene regulation in muscle tissue.

For over 15 years Dr. Stoppani has helped millions of people change their lives with his science-based nutrition and supplementation plans, and detailed training programs.