ON Optimum Nutrition ZMA 101: It is known that the muscle building process happens at night when you sleep. The key is to prime your body with its best environment to build muscle most efficiently. ZMA is a precise patented formula that has been clinically proven to help your body get deeper and more restful sleeps. This formula has also been proven to build muscle. Get ready to have the best dreams of your life...and wake up refreshed.
How It Works: Because athletes and active adults have greater nutrient needs than inactive people, ON’s ZMA provides more than ample amounts of Zinc, Magnesium and Vitamin B6. This novel Zinc Monomethionine Aspartate formula can help fill gaps in your micronutrient intake.
BEYOND THE BASICS
- 30 MG of Zinc per Serving
- 450 MG of Magnesium
- 10.5 MG Vitamin B6
- Take 2-3 Capsules Before Bed
Slideshow
Other top rated products
Slide controls
5.0 star rating 10 Reviews
Flavor
Flavor
SEE MORE SEE LESS
WRITE A REVIEW
* Indicates a required field
* Score:
*
*
*
How would you rate the flavor? (Include flavor in review)
1 of 5 rating
2 of 5 rating
3 of 5 rating
4 of 5 rating
5 of 5 rating
*
Would you recommend this product?
Your answer must be at least 1 characters in length
0/256
You are connected as
Connect with:
-OR-
*
*
Review's title & body can't be empty
Question's body can't be empty
Please enter a star rating for this review
Name field cannot be empty
Invalid email
Your review has already been submitted.
Max length was exceeded
Please fill out all of the mandatory (*) fields
One or more of your answers does not meet the required criteria
Thank you for posting a review!
We value your input. Share your review so everyone else can enjoy it too.
Thank you for posting a review!
Your review was sent successfully and is now waiting for our staff to publish it.
ASK A QUESTION
* Indicates a required field
Review's title & body can't be empty
Question's body can't be empty
Please enter a star rating for this review
Name field cannot be empty
Invalid email
Your review has already been submitted.
Max length was exceeded
Please fill out all of the mandatory (*) fields
One or more of your answers does not meet the required criteria
Thank you for posting a question!
Please click on the link in the confirmation email we just sent you to submit your question.
Your question will appear on the site once someone answers it.
Your question will appear on the site once someone answers it.
- REVIEWS
- QUESTIONS
Filter Reviews
More Filters
FILTERS Clear All
Rating
Reviews
Recommendation
Flavor
Show 10 Reviews
Rating
- All
- 5.0 star rating
- 4.0 star rating
- 3.0 star rating
- 2.0 star rating
- 1.0 star rating
Images & Videos
Recommendation
Flavor
Clear All
10 Reviews
Sort: Select
Updating Results
Verified Reviewer
0.0 star rating
05/24/25
R
Riley W.
5.0 star rating
Recommendation:
Yes for sure!
01/18/22
Recommendation:
Yes for sure!
Flavor
Flavor
SEE MORE SEE LESS
Great
Review by Riley W. on 18 Jan 2022 review stating Great
Best sleep I’ve ever had
On ZMA
E
Elizabet F.
5.0 star rating
Recommendation:
Yes for sure!
01/21/21
Recommendation:
Yes for sure!
Flavor
Flavor
SEE MORE SEE LESS
Excellent
Review by Elizabet F. on 21 Jan 2021 review stating Excellent
Works 100%. I sleep very well
On ZMA
K
Katrina P.
5.0 star rating
Recommendation:
Yes for sure!
12/23/20
Recommendation:
Yes for sure!
Flavor
Flavor
SEE MORE SEE LESS
Good so far. Helps relax
Review by Katrina P. on 23 Dec 2020 review stating Good so far. Helps relax
Good so far. Helps relax me at the end of the day
On ZMA
T
Tamara K.
5.0 star rating
Recommendation:
Yes for sure!
12/23/20
Recommendation:
Yes for sure!
Flavor
Flavor
SEE MORE SEE LESS
ZMA
Review by Tamara K. on 23 Dec 2020 review stating ZMA
I highly recommend this supplement, it helps relax you and my sleep has improved.
College or University:
My son just graduated from Pacific University in Forest Grove Oregon.
On ZMA
R
Richard M.
5.0 star rating
Recommendation:
Yes for sure!
05/24/20
Recommendation:
Yes for sure!
Flavor
Flavor
SEE MORE SEE LESS
ZMA for a better life !
Review by Richard M. on 24 May 2020 review stating ZMA for a better life !
I have used this product for 10+ years, the formula gives me a good nights sleep and I believe it is a great boost to the immune system. In the past 10 years I have missed Zero days of work because I was sick.
College or University:
School of Gains


On ZMA
You may also like
More from Optimum Nutrition
Recently viewed