We have upcoming maintenance
Xymogen.com will be down for 90 minutes tonight at 10:00 PM ET for scheduled maintenance. For further assistance, email us at info@xymogen.com, and one of our advisors will respond as soon as possible. Thank you for your understanding.

N.O.max™ ER 180 Tablets
Extended-Release Arginine Alpha-Ketoglutarate Clinically-Tested Ingredient
N.O.max™ ER represents an extended-release nitric oxide precursor. Scientists now refer to nitric oxide (NO) as the “foundation” of cardiovascular health. This tiny molecule is a vasodilator responsible for controlling blood flow to the entire body, which may hel
Autoship & Save 10% Promo codes may be applied to Autoship orders but cannot be combined with Autoship savings. When a promo code is used, the first Autoship order will receive the greater of the promotional discount or the Autoship discount. All subsequent Autoship deliveries will receive the standard 10% Autoship savings. Promotional discounts may be offered as a fixed dollar amount or a percentage off.
$100.79 $111.99
Save 10% now and on future deliveries. Register now
One Time Purchase $111.99
Product Highlights
- Supports Circulatory Health*
- Supports Cardiovascular Health*
- Optimizes Muscle Synthesis, Muscle Function, and Adaptation to Exercise*
Ingredient Information

Other Ingredients
Hydroxypropyl methyl cellulose, stearic acid, hydroxypropyl cellulose, silica, coating (hydroxypropyl methyl cellulose and medium-chain triglycerides), and magnesium stearate.
Contains
Milk
Related health categories
Formulated to exclude
Egg
Fish
Gluten
GMO
Peanuts
Sesame
Shellfish
Soy
Tree Nuts
Wheat
Yeast
Caution
Consult your healthcare professional prior to use, especially if you have or suspect you have a medical condition, including diabetes or cold sores; if you take prescription drugs or are allergic to any ingredient; or if you are pregnant or lactating. Keep out of reach of children. This product is not intended for use by individuals under 18 years of age. Do not use if tamper seal is damaged.
Warning
Consult your healthcare professional prior to use, especially if you have or suspect you have a medical condition, including diabetes or cold sores; if you take prescription drugs or are allergic to any ingredient; or if you are pregnant or lactating. Keep out of reach of children. This product is not intended for use by individuals under 18 years of age. Do not use if tamper seal is damaged.
Storage
Keep closed in a cool, dry place out of reach of children.
Trademarks
S1. ActiNOS™ is a trademark of Glanbia plc.
Label information
UPC #: 0871149001643
SKU #: 000000000300001018
Clean labels. Fresh supplements. Our manufacturing and warehousing space is environmentally controlled. Ingredients and finished formulas are always handled and stored correctly, ensuring clean, fresh supplements for you.
Our formulas come in single-serving pouches, stick packs, bottles, and dose and blister packaging, providing added convenience and the highest level of confidence in the integrity of our formulas.
XYMOGEN is committed to maintaining your trust. We gladly offer certificates of analysis on request. Our GMP certification through industry-recognized NSF means that we keep our facility exceptionally clean with strict adherence to procedure, meaning XYMOGEN professional formulas stand out in a class of their own.



