naNOX9 Next Gen is a nitric oxide supplement made by MuscleTech.

It’s designed to improve pumps and performance by increasing nitric oxide levels.

Muscletech is America’s top-selling supplement brand, based on total sales since 2001.

Ingredients Label

Active Ingredients

Nitrosigine®

Nitrosigine® is a special form of arginine, an amino acid that boosts nitric oxide.

It’s been shown to dilate the blood vessels, improving endurance and pumps (1).

Pomegranate

Pomegranate is another nitric-oxide booster which can boost pumps and endurance.

This is most likely due to the nitrates found in pomegranate (2).

Beta Alanine

Beta alanine is an endurance-boosting compound.

It’s been shown to counteract the effects of fatigue, by reducing the build-up of waste products in the body during exercise (3).

The effective dose is about 2-5g.

Choline Bitartrate

Choline is brain-boosting compound, which may also improve fat metabolism (4, 5).

Rhodiola Rosea

Rhodiola rosea is a herb that reduces fatigue.

It’s been shown to improve mood and brain function (6).

The effective dose is 50mg daily.

Eleuthero

Eleuthero, also known as Siberian ginseng, is an adaptogenic herb.

It’s been shown to improve endurance and reduce fatigue in some small studies (7).

Who Takes It?

Athletes wanting to improve endurance and pumps during workouts may enjoy using naNOX9 Next Gen.

How to Take

Take 4 caplets, 30 minutes before working out.

Side Effects

Beta alanine may cause a harmless tingling sensation in the face and skin.

May upset the stomach if taken on an empty stomach.

Pros

Boosts nitric oxide levels
Reduces fatigue and improves endurance
Stimulant-free.

Cons

Some ingredient doses are lower than ideal
Has less nitric-oxide boosting ingredients than expected.

Conclusion

naNOX9 Next Gen is a nitric oxide supplement that also throws in multiple endurance-enhancing and fatigue-reducing ingredients.

The numbers and doses of nitric oxide boosting ingredients are somewhat smaller than expected, which may lead to disappointment in terms of pumps.

The formula does include many useful extras however, which may significantly improve endurance, mental energy, and mood.

It’s stimulant-free, which allows it to be combined with other pre-workout products for a more all-round effect.