Frequently Asked Questions

The Nuuniverse asks, we answer.

Proper hydration is key to maintaining a healthy lifestyle! Whether you’re training, resting or on-the-go, the electrolytes found in Nuun Sport tablets (sodium, potassium, magnesium, calcium) will aid in the absorption of water, keeping you healthy and hydrated.

All Nuun branded products contain a blend of electrolytes to help aid in physical process of hydration when the tablets are suspended in water. 

Nuun is sold in our webstore and over 2,000 outlets in Canada. and available in over 30 countries. If you're in Canada, you can find a store here.

At Nuun, we stand behind our products and quality controls. You can learn more about our 120-day satisfaction guarantee here.

Our standard shipping cost is $11.95. Free shipping automatically applies to all purchases over $60 (after any applied discounts).

Check to make sure the code is entered correctly, and the code you're using has not expired. If it's still not working, please email us at with a screenshot of your cart and the discount code you're trying to use.

Consumption differs from person to person depending on activity, sweating and medical needs. That said, our recommendation is one tablet per day for Nuun Sport, Nuun Sport + Caffeine, Nuun Vitamins, Nuun Immunity, and Nuun Rest. For Nuun Endurance, we recommend one scoop per day.

We recommend consuming our products within 6 months after the ‘best by’ date if still sealed, 2-3 months if opened. At this time, we don’t offer replacements for expired product.

Feel free to email us at or call us toll-free at 855-426-6886 with any questions, comments, concerns about your order or the product.

Give us a ring at 855-426-6886 or email and we will be happy to send you a scoop!

If you are pregnant or breastfeeding, please consult a healthcare practitioner before using this product.

All Nuun branded products do not contain any nutrients that cannot be consumed by children, and the refreshing taste and sodium may encourage them to drink more water. However, daily requirements for children differ to what’s recommended for adults. Some of our products contain small amounts of caffeine (up to 40 mg per serving), and these products when consumed in greater quantities may not be suitable for children. We suggest consulting with your child’s physician prior to use.

Our tablet products (Nuun Sport, Nuun Vitamins, Nuun Immunity, Nuun Rest) contain small amounts of carbohydrates and sugar. We recommend reviewing each product label before consumption and consulting with your physician for any additional questions or concerns.

Yes, all Nuun products are certified vegan by the American Vegetarian Association.

Yes, all of our products are gluten free. Our products have been certified gluten free by the Gluten Intolerant Group (GIG). For more information visit their website.

All of our products are soy and dairy free, and we are gluten free and vegan certified! Our tablets are manufactured in a facility that is nut and peanut free. It is also a dedicated gluten-free facility which includes wheat. Our powder products are manufactured in a facility that processes other products which may contain soy, dairy, wheat, tree nuts, shellfish, fish, peanuts, and eggs. 

We do use non-GMO derived dextrose (from corn) in our products. Some of our products do contain grapefruit as a natural flavor: Nuun Sport Citrus Fruit, Nuun Vitamins Grapefruit Orange, and Nuun Immunity Citrus Orange. If your particular allergy is not addressed here, please reach out to so we can help answer your specific dietary questions.

All Nuun products contain corn-derived dextrose and citric acid derived from fermented molasses and non-GMO corn. The source of our B-vitamins is Pyridoxal 5-Phosphate and folic acid, which are commonly derived from plant (corn, grain, etc.) or synthetic sources.

Nuun tablet products (Nuun Sport, Nuun Vitamins, Nuun Immunity, and Nuun Rest) do not contain any tree nuts or peanuts, and are manufactured in a facility that does not contain tree nuts or peanuts in any product it produces.

Our powder products (Nuun Endurance) do not contain any tree nuts or peanuts, but are manufactured in a facility that also processes other products which may contain soy, dairy, wheat, tree nuts, shellfish, fish, peanuts, and eggs.

Procedures and programs have been initiated to protect the safety of non-allergen containing products. These procedures include but are not limited to: specific measures to verify cleaning procedures, cleaning of equipment and areas, proper product and utensils storage instructions and training for all employees on the possible dangers of allergens.

No, Nuun is manufactured in facilities that use nitrile gloves.

All Nuun branded products do not contain any banned, or illegal substances. Our tablet products are certified by Informed Choice and Nuun Endurance is certified by Informed Sport to ensure they are safe for consumption. To learn more about the certification, visit their website.

According to the Non-GMO Project standard, our products do not contain any genetically modified or engineered organisms, and/or DNA manipulation in the final product form. All of our current product lines (Nuun Sport, Nuun Vitamins, Nuun Immunity, Nuun Rest, and Nuun Endurance) are certified non-GMO by the Non-GMO Project.

We recommend storing our tablet and powder products at or below 25 degrees Celsius. Be sure to re-seal the canister properly after use.

The Best By dates on our products varies by product line. The expiration date can be found stamped on the bottom of the tube or canister. Once added to water, we recommend storing pre-mixed Nuun in the fridge and consuming within the week. The longer it sits, the more flavor and electrolyte profile can degrade.

Yes! You can certainly prepare your Nuun in advance to make the morning of the race or a training session more convenient. We’ve noticed that refrigerating for several days only affects the flavoring, not the nutrient content or quality.

Nuun's tubes are made from #5 polypropylene. Recycling programs vary from community to community. Always check with your local recycling office to see what is accepted in your area.

The tiny beads are made up of silicon dioxide. They help retain any moisture present within the tube. Silicon dioxide is non-toxic.

Nuun is manufactured in Minneapolis, MN and Salt Lake City, Utah in the USA with domestic and imported ingredients.