GainZzz™ | GNC

Force Factor® GainZzz™


Item # 444057


Free Shipping on Orders of $49 or More! Details
Free Shipping on Orders of $49 or More!
Size: 60 Capsules

Add to cart options

Product Options

Product Actions

This item is currently not available.

Note: This product cannot be sold in Canada


Product Information


Recover From Today, Recharge For Tomorrow

Wake Up To More Muscle
If you're having difficulty building the strength and muscle you want, or if you've hit plateau, you may be undervaluing one important part of your training routine - sleep!

In fact, a good night's sleep may be the most powerful muscle-building force in nature. It induces regeneration and repair, as cells replace themselves with bigger, stronger replicas. When you're not sleeping long enough or deeply enough, you're missing out on the natural anabolic window that activates explosive growth, depriving muscles of prime HGH and testosterone production.

GainZzz™ is the new, smart formula that helps you harness the full anabolic power of a solid night's sleep. Developed by the Harvart- and MIT-trained scientists at Force Facrot, GailZzz is specifically engineered to help you get to sleep quickly and stay asleep during the critical window when the production of natural anabolic hormones is at its highest, and the body's muscle-building cycle is at its peak. With GainZzz, you're helping to rebuild muscle throughout the night and limit catabolic breakdown, so you can finallly get every inch of size and ounce of strength from your workouts.

Recover, Relax, Rebuild
GainZzz™ is precisely formulated to help you recover physically and mentally from intense workouts that are tough on your mind and body. The secret is the unique combination of three proprietary blends:
  • Body Recuperation Complex:GainZzz incorporates Wellmune® to minimize post-exercise immunosuppression and help maintain your overall health, so you're ready to hit the gym again tomorrow. Additional antioxidants from CherryPURE™ and AuroraBlue® lighten the oxidative burden, shorten recovery time, and reduce strength loss between workouts. And because free radical buildup also affects mental performance, the Body Recuperation Complex helps promote emotional wellbeing to combat the mental fatigue that can cause your muscles to shut down well before they've reached their physical limits.
  • Mind Relaxation Matrix: Gain Zzz helps you reduce stress, tension, and anxiety by promoting GABA (Gamma-Aminobutyric Acid) uptake, which increases alpha brain waves so you feel relaxed and focused.
  • Sleep Rejuvenation Blend: GainZzz includes sleep-inducing compounds to help reset and regulate your natural sleep-wake cycle. That means you're "in the zone" during those important peak hours when muscle is being rebuilt.

Label (click image to enlarge)


Take 2 capsules 60 minutes before bedtime.
Manufactured by equipment which processes products containing milk, eggs, soybeans, wheat, shellfish, fish oil, tree nuts, and peanut flavor.


Use only as directed. Consult a healthcare professional before use if you are pregnant or nursing, have a medical condition, or use prescription medications. Store in a cool, dry place. Protect from heat, light, and moisture. Do not drive, operate machinery, or consume alcohol while using GainZzz. Keep out of reach of children. For adult use only.

Other Ingredients

Gelatin, Magnesium Stearate, Titanium Dioxide, FD&C Red #40, FD&C Blue #1, FD&C Red #3, FD&C Yellow #6
Distributed by Force Factor, LLC
Boston, MA 02108
Wellmune WGP® is a registered trademark of Biothera.
CherryPURE™ is a trademark of Shoreline Fruit, LLC
AuroraBlue® is a registered trademark of Denali Biotechnologies, Inc.

Nutrition Facts

Serving Size  2 Capsules
Servings Per Container  30

Amount Per Serving     % DV

Muscle Recovery Superblend  1500 mg   **
   Body Recuperation Complex   **
   Mind Relaxation Matrix   **
   Sleep Rejuvenation Blend   **

** Daily Value (DV) not established.


4.8 / 5.0
5 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Best post workout stack
Saw a few guys using Test X180 and Gainzzz last month at the gym. Figured I'd give it a shot. Bought it from my local GNC store and have noticed I recover much better than before. Because of my schedule I have to workout later at night so getting to sleep used to be pretty rough right after the gym. Gainzzz stacks really well with Test X180 so give it a shot if you're looking for something new and unique.
September 9, 2016
Get jacked in your sleep!
Up until now I never thought sleep was that important. Was I ever wrong though! I'm sleeping a full 8 hours instead of my typical 6 and I can feel the difference. I've got more energy, motivation, and im seeing progress from my hardd work. Best of all I am not god awful sore every morning.
February 2, 2016
Great Stack with Test X180!
I use both Test X180 and GainZzz and together the results have been great. I think the biggest thing I've noticed is that I'm getting much more restful sleep. I can tell because I don't wake up nearly as sore as I used to performing essentially the same workouts. I feel like my body is recovering faster thanks to better sleep, so I'd give this product a 4.5/5 stars!
February 2, 2016
Build while sleeping
I'm halfway through my first bottle of it and I've noticed that it helps knock me out before I go to sleep and sleep better throughout the night. I find myself less sore than when I don't use it the next day and that when I get back into the gym I'm generally feeling more ready to go and rebuilt and ready to tear it up again. I highly recommend this product!
February 1, 2016
Muscles while you sleep
This is something truly cool. Gainzzz (gotta love that name btw) is an amazing formula that helps you get to sleep and stay asleep during that critical period of time where your body is recovering and building muscle. I've definitely seen improvements since I've started with it.
January 8, 2016