Steel-Libido

Steel-Libido

Irwin Naturals4.4 (796 ratings)
Format:Softgel Quantity: 150 Softgel(s) · 75 servings
$47.99 $0.63 per serving
iHerbLowest$47.99Vitacost$50.37

Product analysis

41 out of 100

Steel-Libido brings choline, arginine and several botanicals together in a broad formula. Its undisclosed herbal blend and limited ingredient-form details make it difficult to compare quality or know exactly what you are buying.

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

Nutrient Quality29

Choline is supplied in a well-regarded form, but most other ingredients have limited form details. The herbal blend also leaves its individual components unclear, preventing a complete quality comparison.

Ingredient Transparency58

Declared amounts are available, but most ingredient forms are unspecified. The herbal blend does not identify its components, leaving you without a complete picture of the contents.

Value For Money30

Choline and arginine offer weak value for their supplied amounts, and tyrosine is particularly costly. The remaining ingredients do not have enough detail for a firm value comparison.

Customer Satisfaction73

Customer feedback is favorable, with the number of ratings offering some perspective on satisfaction. Ratings do not establish effectiveness or safety.

Product Focus26

The formula combines many ingredients without a clear, supported benefit emerging from the available information. The undisclosed blend also prevents a complete account of what each ingredient contributes.

Format
Softgel
Container
150 Softgel(s)
Per serving
$0.63
Customer rating
4.4 · 796 ratings
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Ingredients

IngredientAmount per servingScore
Calories
20 Calorie(s)
Total Fat
1.5 Gram(s)
Total Carbohydrates
1 Gram(s)
Protein
1 Gram(s)
Choline (CDP-Choline)
 10 mg 63
Flaxseed Oil
894 mg
L-Arginine (L-Arginine Hydrochloride)
 167 mg 44
Maca powder
130 mg
Ashwagandha powder
120 mg 50
Epimedium extract (Icariin)
 120 mg
DMG
80 mg
Yohimbe extract (total Alkaloids)
 70 mg
L-Tyrosine
60 mg 42
Cayenne powder
50 mg
Asian Ginseng extract
15 mg
BioPerine Complex
3 mg
Men 18–50
Report overview
Choline (CDP-Choline) · 10 mg OverallScore63
A+ Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyF Value
Each serving provides 10 mg of choline at a high cost for the amount supplied. The choline comes from CDP-Choline. No artificial colors, sweeteners, concerning fillers, or standard flow agents are listed.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The choline comes from CDP-Choline. No artificial colors, sweeteners, concerning fillers, or standard flow agents are listed.
Choline Form Efficacy & Bioavailability
The choline comes from CDP-Choline.
Formula Purity & Excipient Quality
No artificial colors, sweeteners, concerning fillers, or standard flow agents are listed.

Dose, Safety & Label Transparency47

Each serving provides 10 mg of choline. The amount and source are stated.
Choline Dose by Declared Basis
Each serving provides 10 mg of choline.
Elemental Yield Transparency
The choline amount and its source are stated.

Value20

The cost relative to the choline provided is high.
Price per 100 mg of Declared Choline Basis
The cost relative to the choline provided is high.
View ingredientView products
Tyrosine · 60 mg OverallScore42
B- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value
The serving lists 60 mg of L-tyrosine, a small amount for acute cognitive support. The estimated cost for that amount is high. No specific tyrosine sourcing or purity assurance is documented.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The ingredient is L-tyrosine, a standard free form. No specific tyrosine sourcing or purity assurance is documented.
Tyrosine Chemical Form
The ingredient is L-tyrosine, a standard free form.
Purity and Sourcing Signals
No specific tyrosine sourcing or purity assurance is documented.

Dose, Safety & Label Transparency30

The serving lists 60 mg of L-tyrosine, a small amount for acute cognitive support. The amount is individually stated.
Tyrosine Dosage Adequacy
The serving lists 60 mg of L-tyrosine, a small amount for acute cognitive support.
Label Transparency and Blends
The tyrosine amount is individually stated.

Value10

The estimated cost for the tyrosine amount is high.
Price per Gram of Tyrosine
The estimated cost for the tyrosine amount is high.
View ingredientView products
Ashwagandha · 120 mg OverallScore50
F Composition And Label DisclosureA+ Composition And Label Disclosure
The serving lists 120 mg of ashwagandha powder. The available information does not state a withanolide concentration.
How this ingredient is rated

Composition and Label Disclosure0

The withanolide concentration is unknown.
Withanolide and Preparation Disclosure
The ashwagandha powder is a powder, with no stated withanolide concentration.

Composition and Label Disclosure100

The amount and preparation are stated.
Individual Preparation Amount Disclosure
The selected serving states 120 mg of ashwagandha powder.

Commercial Price and Usability

No price comparison applies here.
View ingredientView products
72 Performance

For Her Sexual Response & Libido Boost Capsules

Bluebonnet Intimate Essentials

Damiana, maca, arginine, ashwagandha, and rhodiola form a more coherent libido-support blend without the original high-risk yohimbe entry. Individual amounts are clear, although most extracts lack active-marker standardization and arginine remains modest for circulation support.

58 Performance

Steel-Libido For Women

Irwin Naturals

Several relevant libido actives are clearly listed without the original large yohimbe alkaloid concern. Many amounts are still modest, fish-oil details are missing, and the women-focused design may not match every intended user.

74 Performance

Thyroid Support Complex

Pure Encapsulations

Standardized ashwagandha, tyrosine, iodine, selenium, zinc, and specified botanicals provide stronger ingredient definition than the original crowded low-dose blend. It targets thyroid support rather than libido, and thyroid-active ingredients may alter control for people using thyroid hormone or managing thyroid disease.

81 Budget

ThyroSense

Natural Factors WS WomenSense

A much lower serving cost provides a meaningful tyrosine amount plus ashwagandha and well-chosen mineral forms without the original high-risk yohimbe entry. It is designed for thyroid support rather than libido, and people with thyroid conditions or using thyroid medicine should review the iodine and botanical combination with a clinician.

77 Budget

Essential Thyroid Nutrition

NutriCology

A lower recurring cost offers strong iodine, zinc, selenium, and vitamin B12 forms with modest tyrosine and ashwagandha. The formula does not replace arginine, maca, or other libido-focused ingredients, and its iodine, ashwagandha, and forskolin may complicate thyroid management.

80 Budget

Thyroid Health Formula

Natural Factors

A lower-cost serving supplies meaningful tyrosine, ashwagandha, and well-chosen minerals while avoiding the original yohimbe concern. The thyroid-focused design is not a direct libido substitute, and iodine, tyrosine, ashwagandha, and guggul warrant clinician review for people managing thyroid disease.

71 Value

For Her Sexual Response & Libido Boost

Bluebonnet Intimate Essentials

Damiana, maca, arginine, ashwagandha, and rhodiola provide a coherent libido-focused formula with clear individual amounts and reasonable stated value. Most extracts lack active-marker standardization and arginine is modest, but the design avoids the original yohimbe safety concern.

80 Value

Thyrocsin

Thorne

High-quality vitamin and mineral forms with meaningful tyrosine provide a compact, well-disclosed formula at reasonable stated value. Its modest unstandardized ashwagandha and thyroid purpose make it a poor direct libido replacement, while iodine and ashwagandha require caution with thyroid disease or thyroid medicine.

80 Value

ThyroSense

Natural Factors WS WomenSense

Meaningful tyrosine, ashwagandha, and well-chosen minerals offer strong shared-ingredient value without yohimbe. The formula is thyroid-focused rather than libido-focused, and the iodine, tyrosine, ashwagandha, and guggul combination may require clinician guidance.

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