🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

3 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

1.5 Gram(s)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 1.5mg
📊 Market median: 500.0mg (143 products)
This product: 500mg
L-Glutathione
200 mg
Bioperine Black Pepper Fruit Extract
5 mg

Other Ingredients

Hypromellose capsule L-Leucine

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (97% of products) Structure/Function (91% of products) Nutrient (29% of products) No Claim (2% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

3 Capsules - 30-45 mins - Before Directions: As a dietary supplement, take 3 capsules with a glass of water 30-45 minutes before working out.

⚠️ Warnings & Precautions

Warning: Check with a qualified healthcare professional before taking this product.

Do not use if you are pregnant or nursing a baby, under 18 years of age, have any known or suspected medical conditions, and/or if you are taking any prescription or OTC medications.

Do not use if you are pregnant or nursing a baby, under 18 years of age, have any known or suspected medical conditions, and/or if you are taking any prescription or OTC medications.

Discontinue use and immediately consult your healthcare professional if you experience any adverse reaction to this product. Use only as directed. Do not exceed the recommended serving.

Keep out of reach of children.

Do not use if safety seal is broken or missing.

🧪 Formulation Notes

N.O. XT is formulated using a synergistic combination of premium ingredients to help boost nitric oxide, maximize pumps, enhance endurance, and improve body composition.

N.O. XT contains only the most cutting-edge ingredients backed by science and proven in the gym.

N.O. XT contains no under dosed ingredients, no proprietary blends and no fillers.

1500 mg L-Citrulline 200 mg Glutathione 500 mg Nitrosigine

Nitric oxide boosting agent Boost N.O. levels Build muscle Powerful pumps Boost strength

Additional Information

Store in a cool, dry place.

Please recycle container

Product Details

UPC / SKU 0 40232 66165 5
DSLD Entry Date 2022-01-22
Product Type Other Combinations
Form Capsule
DSLD ID 257815
Data Updated 2026-04-11

Research Evidence

12 Research Sources
45 Avg Quality Score
6 Rct
5 Clinical Trial
1 Meta Analysis
C Effect of food sources of nitrate, polyphenols, L-arginine and L-citrulline on endurance exercise performance: a systematic review and meta-analysis of randomised controlled trials
Meta Analysis Journal of the International Society of Sports Nutrition 2021
C Effects of L-Citrulline Supplementation on Endothelial Function and Blood Pressure in Hypertensive Postmenopausal Women.
Rct Nutrients
C Effects of Acute Citrulline Malate Supplementation on CrossFit® Exercise Performance: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Study.
Rct Nutrients
C Impact of L-Citrulline Supplementation and HIIT on Lipid Profile, Arterial Stiffness, and Fat Mass in Obese Adolescents with Metabolic-Dysfunction-Associated Fatty Liver Disease: A Randomized Clinical Trial.
Rct Nutrients
C Effect of L-Citrulline Supplementation on NAFLD in Adolescents With Obesity
Clinical Trial ClinicalTrials.gov 2021
C Effects of L-Citrulline or Citrulline-malate on Neuromuscular Performance in Resistance-trained Adults
Clinical Trial ClinicalTrials.gov 2022
C Acute effects of Nitrosigine® and citrulline malate on vasodilation in young adults.
Rct Journal of the International Society of Sports Nutrition
C Effects of Combined Versus Single Supplementation of Creatine, Beta-Alanine, and L-Citrulline During Short Sprint Interval Training on Basketball Players' Performance: A Double-Blind Randomized Placebo-Controlled Trial.
Rct International journal of sports physiology and performance
C Acute effects of combined supplementation of L-arginine and citrulline malate on aerobic, anaerobic, and CrossFit exercise performance.
Rct Scientific reports
C L-Citrulline in Peripheral Artery Disease
Clinical Trial ClinicalTrials.gov 2016
View all evidence for Citrulline →

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