Nitric Oxide Pre-Sport With L-Citrulline

Nitric Oxide Pre-Sport With L-Citrulline

Irwin Naturals4.6 (34 ratings)
Format:Softgel Quantity: 60 Softgel(s) · 30 servings
$22.99 $0.76 per serving
iHerbLowest$22.99Vitacost$22.99Pure Formulas$22.99

Product analysis

39 out of 100

Nitric Oxide Pre-Sport With L-Citrulline combines several ingredients for pre-exercise use. Undisclosed botanical-blend components make it harder to know exactly what the combination provides.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality24

Most preparations are unspecified, and the botanical blend does not identify its components. These omissions make the combination’s quality harder to judge.

Ingredient Transparency57

The listed amounts are disclosed, including a blend total. That total does not reveal the blend’s ingredients or replace the missing botanical composition details.

Value For Money25

The theanine contribution is costly, and the available citrulline comparison also suggests limited value. The older citrulline information adds uncertainty to that part of the comparison.

Customer Satisfaction68

Buyer ratings are generally positive. The small number of ratings offers only a limited picture of satisfaction.

Product Focus37

The formula combines several ingredients for pre-exercise use. Undisclosed blend components make its full composition and specific contribution difficult to establish.

Format
Softgel
Container
60 Softgel(s)
Per serving
$0.76
Customer rating
4.6 · 34 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
Medium Chain Triglyceride (MCT) Oil
1000 mg
L-Citrulline
750 mg 54
Beet powder
60 mg
L-Theanine
50 mg 70
Ginkgo extract (Flavone Glycosides, Terpene Lactones)
 40 mg 85
Cayenne powder
30 mg
Mate (Yerba Mate) powder
20 mg
Asian Ginseng extract (Ginsenosides)
 15.62 mg
BioPerine Complex
3 mg
Adults 18–50
Report overview
Theanine · 50 mg OverallScore70
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value
Each serving provides 50 mg of L-theanine, a modest amount that may offer mild support for relaxation or focus. The whole-product price works out to about $1.53 per 100 mg of theanine.
How this ingredient is rated

Active Ingredient Quality & Bioavailability80

The form is identified as L-theanine; the available facts do not record a branded source or purity claim.
Isomer Specificity (L-Theanine)
The form is identified as L-theanine.
Branded Forms & Purity Standards
The available facts do not record a branded source or purity claim.

Dose, Safety & Label Transparency86

The 50 mg of L-theanine per serving is separately disclosed and may offer mild support for relaxation or focus.
Theanine Dosage Efficacy
The 50 mg per serving may offer mild support for relaxation or focus.
Label Transparency & Blends
The 50 mg of L-theanine per serving is separately disclosed.

Value20

The whole-product price is about $1.53 per 100 mg of theanine, a relatively high cost on this basis.
Price per 100mg L-Theanine
The whole-product price is about $1.53 per 100 mg of theanine, a relatively high cost on this basis.
View ingredientView products
Citrulline · 750 mg OverallScore54
B- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value
Each serving provides 750 mg of L-citrulline, a low amount for exercise-focused use. The whole-product price works out to about $1.02 per gram of L-citrulline.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

L-citrulline is the stated form; the evaluation also flags additives without identifying them in the supplied facts.
Citrulline Form Specificity
The stated form is L-citrulline.
Purity and Sourcing Markers
The evaluation flags additives, but the supplied facts do not name them.

Dose, Safety & Label Transparency64

The serving provides 750 mg of L-citrulline, a low amount for exercise-focused use. The amount is clearly specified.
L-Citrulline Dosage Efficacy
Each serving provides 750 mg of L-citrulline, a low amount for exercise-focused use.
Label Clarity and Transparency
The L-citrulline amount is specified as 750 mg per serving.

Value0

The whole-product price works out to about $1.02 per gram of L-citrulline.
Price per Gram of L-Citrulline
The whole-product price works out to about $1.02 per gram of L-citrulline.
View ingredientView products
Ginkgo (Flavone Glycosides, Terpene Lactones) · 40 mg OverallScore85
B- Composition And Label DisclosureA+ Composition And Label Disclosure
Each serving lists 40 mg of ginkgo leaf extract, with the amount disclosed individually. The saved facts record 24% flavones and 6% terpenes for that preparation.
How this ingredient is rated

Composition and Label Disclosure70

The saved facts record 24% flavones and 6% terpenes for the ginkgo. No source-specific ginkgolic-acid limit is recorded in the saved facts.
Marker and Preparation Disclosure
The saved facts record 24% flavones and 6% terpenes for the ginkgo.
Declared Ginkgolic Acid Limit
No source-specific ginkgolic-acid limit is recorded in the saved facts.

Composition and Label Disclosure100

The 40 mg amount of ginkgo leaf extract per serving is disclosed individually.
Individual Preparation Amount Disclosure
The 40 mg amount of ginkgo leaf extract per serving is disclosed individually.

Commercial Price and Usability

The whole-product serving costs about $0.77; the evaluation does not assess value.
View ingredientView products
73 Performance

Steel-Libido RED

Irwin Naturals
Ingredient focus or goal alignment is stronger because the original uses modest citrulline, theanine, and ginkgo amounts with incompletely defined extract strength. Citrulline, theanine, ginkgo, velvet bean, and mild stimulants provide broad performance and focus coverage with disclosed amounts. Ginkgo, velvet bean, ginseng, theobromine, and piperine create meaningful interaction and tolerance concerns.
58 Performance

Nitro-T

LifeSeasons
Ingredient focus or goal alignment is stronger because the original uses modest citrulline, theanine, and ginkgo amounts with incompletely defined extract strength. Theanine and moderate caffeine provide a calm-alertness pairing alongside citrulline, ginkgo, and other performance ingredients. Kava conflicts with the stimulant design and carries a rare liver-safety concern, while ginkgo may increase bleeding tendency.
72 Performance

Steel-Libido RED

Irwin Naturals
Ingredient focus or goal alignment is stronger because the original uses modest citrulline, theanine, and ginkgo amounts with incompletely defined extract strength. Citrulline, theanine, ginkgo, velvet bean, and mild stimulants provide broad performance and focus coverage with disclosed amounts. Several botanical standards and complete directions are missing, while the complex stimulant blend raises interaction concerns.
76 Budget

Stress-Defy

Irwin Naturals
A lower serving cost improves everyday affordability. Theanine, rhodiola, holy basil, skullcap, ginkgo, and B vitamins form a coherent stress and calm-focus formula. Long-term use of the vitamin B6 amount may raise nerve-symptom risk, while ginkgo may increase bleeding tendency.
72 Budget

Focus-R

LifeSeasons
Only one eligible candidate is confirmed cheaper, so this is a close functional substitute rather than a strictly cheaper option. Theanine, methylcobalamin, caffeine, ginkgo, bacopa, and other botanicals provide broad calm-focus support. Kava may compound sedation and has liver-safety concerns, while ginkgo may increase bleeding tendency.
72 Budget

Loaded Pre Freedom Rocks

Ryse
Only one eligible candidate is confirmed cheaper, so this is a close functional substitute rather than a strictly cheaper option. Citrulline and beta-alanine provide meaningful pre-workout support with a fully disclosed stimulant blend. The combined caffeine load is aggressive, and added theobromine and vincamine increase concern for stimulant-sensitive users or those with cardiovascular issues.
58 Value

Fenugreek RED

Irwin Naturals
The available formula offers a practical balance of coverage and cost because the original uses modest citrulline, theanine, and ginkgo amounts with incompletely defined extract strength. Citrulline, ginkgo, fenugreek, and an oil base provide circulation and performance coverage. Dose depth and extract standardization are uneven, and ginkgo may increase bleeding risk with anticoagulant or antiplatelet medicines.
67 Value

Testosterone UP RED

Irwin Naturals
The available formula offers a practical balance of coverage and cost because the original uses modest citrulline, theanine, and ginkgo amounts with incompletely defined extract strength. Clearly disclosed ginkgo and L-citrulline anchor a broad testosterone and circulation formula. Fenugreek, beet, and ginseng are modest or incompletely standardized, while ginkgo may increase bleeding risk.
66 Value

Testosterone Mega-Boost RED

Irwin Naturals
The available formula offers a practical balance of coverage and cost because the original uses modest citrulline, theanine, and ginkgo amounts with incompletely defined extract strength. Clearly disclosed ginkgo and L-citrulline provide the strongest circulation and performance support in a broad botanical formula. Several botanicals lack standardization, and ginkgo may increase bleeding risk with anticoagulant or antiplatelet medicines.
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