Product Image

Nitric Oxide Pre-Sport With L-Citrulline

Irwin Naturals
4.6
★ ★ ★ ★ ★
(34 ratings)
Theanine 50 mg
Citrulline 750 mg
Ginkgo
Product Image
Score61
A modest pre-sport circulation blend with little direct vision relevance and ambiguous ginkgo labeling.
How scoring works
Quantity:60 Softgel(s) • (30 servings)
Goals:

Score 61

A modest pre-sport circulation blend with little direct vision relevance and ambiguous ginkgo labeling.
How scoring works
$22.99($0.76 per serving)
Pure Formulas
$ 22.99
iHerb
$ 22.99
Vitacost
$ 22.99
Report prices

Analysis

The softgels provide 750 mg L-citrulline with MCT oil, beet, ginseng, ginkgo, and theanine. That combination is aimed at workout blood flow and alertness rather than eye nutrition.

Citrulline is below amounts commonly used in dedicated pre-workout powders, while beet and theanine are also modest. Two ginkgo lines list the same 40 mg amount for different standardization markers, leaving the actual extract dose unclear.

No lutein, zeaxanthin, vitamin A, or other clearly vision-focused nutrient is listed. The formula best fits light pre-sport support, not the stated goal.

Who is it for
  • Adults seeking mild pre-workout support
  • People comfortable with multi-ingredient softgels
Best for
  • Light workout circulation
  • Mild focus support

Pros

  • Includes L-citrulline
  • Combines ginkgo and ginseng
  • Provides 50 mg L-theanine

Cons

  • Poor fit for vision support
  • Citrulline amount is modest
  • Duplicate ginkgo lines are ambiguous

Warnings

  • Ginkgo and ginseng may increase bleeding tendency with warfarin, aspirin, clopidogrel, and similar medicines.
  • BioPerine can change absorption of some medicines.

Nutrient quality

53 Moderate impact

L-citrulline and L-theanine are appropriate forms, but the ginkgo marker percentages are not stated. Citrulline, theanine, and ginkgo are all below commonly used performance or focused-support amounts.

Ingredient transparency

78 High impact

Each listed active has a specific amount, including citrulline, theanine, and the ginkgo fractions. Excipients and daily directions are absent from the supplied data, which leaves some label details uncertain.

Customer satisfaction

62 Moderate impact

The aggregate satisfaction average is favorable, though no detailed feedback is supplied. The limited volume supports only moderate confidence in the aggregate signal.

Value for money

45 Lower impact

The formula offers several relevant performance ingredients, but their dose depth is limited. The serving cost appears high relative to the modest citrulline and theanine amounts.

Report analysis

Ingredients

IngredientAmount per serving
Medium Chain Triglyceride (MCT) Oil
1000 mg
L-Citrulline
750 mg
Beet powder
60 mg
L-Theanine
50 mg
Ginkgo extract (Flavone Glycosides, Terpene Lactones)
 40 mg
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

The label clearly identifies L-theanine, but the 50 mg dose offers only mild support compared with the preferred range. No branded source, purity percentage, or independent testing is provided. The normalized cost for theanine is high, and the accompanying ingredients do not qualify for a value adjustment.

View ingredientView products
Citrulline · 750 mg OverallScore54
B- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value

Pure L-Citrulline is clearly identified, and the exact 750 mg amount is easy to verify. The dose sits at the bottom of the limited-support range and is well below common performance amounts. No purity or sourcing evidence is supplied, while the cost per gram of active citrulline is high.

View ingredientView products
Ginkgo (Flavone Glycosides, Terpene Lactones) · 40 mg OverallScore31
F Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyF Value

The extract names flavone glycosides and terpene lactones but gives no marker percentages. The disclosed amount falls below the usual maintenance and clinical ranges. Its normalized cost is high for the small, unverified extract dose.

View ingredientView products
Loading alternative details
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.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Ginkgo biloba extract for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2013
    Systematic review119 participants2 studies pooledVision Support forGinkgo
  2. [Ginkgo extract in impaired vision--treatment with special extract EGb 761 of impaired vision due to dry senile macular degeneration].
    Fies P; Dienel A · Wiener medizinische Wochenschrift (1946) · 2002
    Randomized trial99 participantsVision Support forGinkgo
  3. Electrophysiological analysis of the effects of ginkgo biloba on visual processing in older healthy adults.
    Page JW; Findley J; Crognale MA · The journals of gerontology. Series A, Biological sciences and medical sciences · 2006
    Clinical trialVision Support forGinkgo
  4. Ginkgo biloba--an appraisal.
    Dubey AK; Shankar PR; Upadhyaya D; Deshpande VY · Kathmandu University medical journal (KUMJ) · 2007
    Narrative reviewVision Support forGinkgo