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Steel-Libido RED

Irwin Naturals
4.4
★ ★ ★ ★ ★
(1243 ratings)
Theanine 100 mg
Theobromine 92 mg
Citrulline 1500 mg
Ginkgo
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Score93

A potent circulation-focused softgel with high-dose citrulline and ginkgo for mental and physical drive.

How scoring works
Quantity:75 Softgel(s) • (18 servings)
Goals:
Mental Focus
Productivity Boost
Mood Support
Cognitive Support
Cardiovascular Support
Stress Relief
Brain Health

Score 93

A potent circulation-focused softgel with high-dose citrulline and ginkgo for mental and physical drive.

How scoring works
$24.99($1.38 per serving)
Pure Formulas
$ 24.99
iHerb
$ 24.99
Vitacost
$ 24.99
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Analysis

This softgel uses a mix of amino acids and botanicals like Asian ginseng and velvet bean to support physical vitality. It also features pumpkin seed oil and MCT oil as a base for energy and nutrient delivery.

The inclusion of L-theanine helps you stay calm and clear-headed during the day. This formula is excellently suited for men who want a high-potency supplement that supports both their cardiovascular and cognitive health.

Pros

  • Strong 1500mg dose of L-citrulline
  • Includes ginkgo extract for blood flow
  • Adds theobromine for focused alertness
  • Features BioPerine for botanical absorption

Cons

  • Requires taking 4 softgels per serving
  • Ginkgo extract is not standardized

Warnings

  • Not for use by individuals with low blood pressure or bleeding disorders

Nutrient quality

92 Highest impact

Utilization of meaningful doses of l-citrulline and ginkgo provides robust support for vascular and cognitive drive. Selection of synergistic botanicals like ginseng enhances the overall vitality profile of the formulation.

Ingredient transparency

100 Highest impact

Milligram amounts for core metabolic and vitality ingredients are clearly disclosed for high clarity. Full transparency regarding the concentrations of specialized extracts ensures accurate professional evaluation of the formula's potency.

Customer satisfaction

93 Highest impact

Average ratings are strong and supported by a very large volume of verified user reviews. Feedback suggests that the blend is particularly effective for those seeking robust support for mental clarity and physical vitality.

Value for money

85 Highest impact

Fair pricing for a comprehensive vitality formula with multiple standardized extracts offers good value. It remains a competitive choice for individuals seeking a broad-spectrum approach to cognitive energy and cardiovascular health.

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Goals

Impact
Highest effect
A Goal FitA- Strength of SupportA CoverageA+ Formula Quality

Ginkgo biloba, L-Theanine, and Theobromine are combined in these softgels to support cerebral circulation, calm focus, and alertness. This blend is further assisted by Asian Ginseng and L-Citrulline to enhance overall mental and physical vitality.

The ingredients appear well aligned for users seeking a multi-functional approach to cognitive energy. Standardized Ginkgo and meaningful doses of nootropics ensure that the supplement provides significant support for mental performance.

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Impact
Highest effect
B+ Goal FitB+ Strength of SupportA- CoverageA- Formula Quality

Steel-Libido RED combines ginkgo biloba, theobromine, and l-theanine with l-citrulline to support circulation and mental focus. These active ingredients target blood flow and neurotransmitter modulation to maintain alertness during demanding cognitive or physical efforts.

The formulation appears well aligned for individuals seeking mental clarity and energy. BioPerine is included to support the absorption and overall efficacy of the diverse active botanical compounds.

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Impact
Highest effect
B Goal FitB+ Strength of SupportB+ CoverageA- Formula Quality

The inclusion of L-theanine and ginkgo biloba extract provides a combination that supports both focus and relaxation. By addressing cognitive clarity and neurotransmitter balance, these ingredients may contribute to a steady mental state during high-performance activities.

A moderate 100mg dose of L-theanine helps to balance other revitalizing ingredients like theobromine and cayenne. The formula is delivered in liquid softgels with BioPerine to support the absorption of its many botanical components.

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Impact
Highest effect
B+ Goal FitB- Strength of SupportA- CoverageA- Formula Quality

Ginkgo biloba and l-theanine provide a dual-pathway approach to cognitive support by addressing both cerebral circulation and mental calmness. Theobromine and l-citrulline may contribute to blood flow, which is a key physiological factor in maintaining mental clarity.

Velvet bean extract and asian ginseng root extract further align with the goal of supporting dopamine pathways and overall vitality. The ginkgo extract's lack of standardization markers limits the ability to verify its specific potency compared to clinical research.

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Impact
Highest effect
A- Goal FitB Strength of SupportB CoverageA- Formula Quality

Utilization of L-citrulline and theobromine supports cardiovascular health by enhancing nitric oxide production and providing mild vasodilation. This vitality-focused formula is meaningfully dosed for circulatory maintenance.

A 1,500 mg dose of citrulline provides foundational support for blood flow. The inclusion of ginkgo and BioPerine may contribute to better vascular performance and overall nutrient utilization.

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Impact
High effect
B Goal FitB Strength of SupportC+ CoverageB+ Formula Quality

L-theanine and ginkgo biloba support mental clarity and a balanced neurological response. These ingredients appear well aligned for promoting focus while maintaining a sense of calm under pressure.

Concentrations of L-theanine provide baseline support, while Citrulline and other extracts focus more on cardiovascular and vitality goals. This formula serves as a balanced performance aid rather than a dedicated stress-relief supplement.

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Ingredients

IngredientAmount per serving
Calories
40 Calorie(s)
Total Fat
2 Gram(s)
Total Carbohydrates
1 Gram(s)
Protein
4 Gram(s)
L-Citrulline
1500 mg
Medium Chain Triglyceride Oil
1000 mg
Pumpkin Oil
1000 mg
Velvet Bean Extract (Mucuna pruriens Seed Extract)
400 mg
Ginkgo biloba Leaf Extract
120 mg
L-Theanine
100 mg
Theobromine
92 mg
Asian Ginseng root extract
80 mg
Cayenne powder
60 mg
Superoxide Dismutase
50 mg
BioPerine Complex
6 mg
Men 18–50 Women
Report overview
Theanine · 100 mg OverallScore82
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value
This targeted formula includes L-Theanine alongside focus and circulation-enhancing botanicals. It is geared toward men's health, offering a balanced approach to vitality and cognitive calmness.
Theobromine · 92 mg OverallScore81
A Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyC Value
This supplement uses a moderate dose of theobromine alongside L-Citrulline to support circulation and vitality. It is a solid choice for users looking for a multi-functional supplement in a convenient softgel form.
Citrulline · 1500 mg OverallScore69
A- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value
Steel-Libido RED focuses on blood flow and performance using a blend of Citrulline and botanicals like Ginkgo. It provides a decent maintenance dose for men's circulatory health.
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