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  • Vitamin & Mineral Support for Active Adults
  • Blend of Zinc, Magnesium & Vitamin B6
  • 3 Capsule Serving Size
  • **Product Packaging Information under Product Overview
From $16.99 .

Product Overview

Vitamin & Mineral Support for Active Adults

Zinc Magnesium Aspartate is a combination of zinc, magnesium and Vitamin B6. ON ZMA is designed to fill gaps in micronutrient intake, particularly for those with active lifestyles. ON ZMA supports the breakdown and transport of nutrients, and helps convert food into cellular energy. Additionally, zinc provides immune support. ZMA® is a registered trademark of SNAC System, Inc., San Carlos, CA 94070

**Product Packaging Information

Please note due to Covid challenges, we have faced supply chain constraints sourcing packaging components for our products. As a result, packaging cap and bottle colors may vary, temporarily, across some of our products. Despite these challenges, we are here to help you stay stocked with your favorite Optimum Nutrition products to support your fitness goals. Rest assured that these variances affect packaging only, it does not affect the product inside. We are still delivering the same high quality products backed by 30 years of the highest quality standards. Thank you for your understanding during this time.


  • Blend of Zinc, Magnesium & Vitamin B6 3

  • Capsule Serving Size

Suggested Use

Men – take 3 capsules before bed. Women – take 2 capsules before bed. Intended for use in healthy adults as part of a healthy, balanced diet and exercise program.

Nutritional Information

Nutritional information will be shown when a flavour and/or size is selected.

Customer Reviews

Overall Rating (4.7)
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Review by Gabriel Romero on Jul 21, 2021
Highly suggest ZMA for micronutrient intake. I don't have daily intake of my micronutrients and ever since I bought these...I have felt it's affected my diet/body. Either way...You can't go wrong with Magnesium/Zinc/B6

Underrated product for health and sleep!

Review by Fabio on Jun 25, 2021
Enzymes in the body that contains Zinc participates in macronutrient metabolism and cell replication. Zinc is also lost in sweat. Magnesium serves as a physiological regulator in neuromuscular, cardiovascular, immune, and hormonal functions. ZMA is a great combination with the proven quality of Optimum Nutrition. Great product to aid on overall health and sleep quality.


Review by Kevin on Jun 22, 2021
Really good product. It helps me a lot!

It Works

Review by Michael Rodriguez on Jun 19, 2021
Haven't dreamt in a long time until I started taking these. Good for your immune system as well.

seal pup

Review by C. Smith on Jun 18, 2021
Five Star service. Customer service personnel friendly and knowledgeable about the products. Look forward to doing business in the future.


Review by Michael Wiltshire on May 10, 2021
My joints felt better in less than 24 hours.


Review by Jelle on Mar 19, 2020
Prima ondersteunend product in de juiste samenstelling, aanrader voor sporters die dagelijks trainen, het bevordert o.a. spier herstel.
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Review by Michael on Jan 5, 2020
Goede zink / magnesium verhouding in vergelijking met andere producten.
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Tres bien

Review by gerald on Dec 9, 2019
Bon produit
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Produit très correct

Review by stessy on Nov 16, 2019
Très bien. Colis reçu en 2 jours. Très professionnel et toujours un petit cadeau. Prix hyper intéressant
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