Steel-Libido

Steel-Libido

Irwin Naturals4.4 (796 ratings)
Format:Softgel Quantity: 75 Liquid(s) · 37 servings
$24.99 $0.67 per serving
iHerbLowest$24.99Vitacost$24.99Pure Formulas$24.99

Product analysis

39 out of 100

Steel-Libido brings arginine, maca and other ingredients together for people seeking libido support. Missing preparation details and undisclosed blend contents make the broad combination difficult to compare.

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

Nutrient Quality24

Most ingredient preparations are unspecified, while the quality of the named forms remains uncertain. The herbal blend’s unidentified components further limit a clear view of the combination.

Ingredient Transparency55

Listed amounts are clear, but most forms and the herbal blend contents are not. A total blend weight therefore does not reveal exactly what you are taking.

Value For Money32

The full serving cost is high relative to the arginine and tyrosine contributions. Value for the remaining assessed ingredients is uncertain, so the broader mix is harder to compare.

Customer Satisfaction73

Customer feedback is generally positive across several hundred ratings. The review base gives useful context for satisfaction without establishing a libido benefit.

Product Focus24

The many ingredients and unidentified herbal blend make the supplement less focused. A reliable conclusion about its libido-related benefits is not available.

Format
Softgel
Container
75 Liquid(s)
Per serving
$0.67
Customer rating
4.4 · 796 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
Calories
20 Calorie(s)
Total Fat
1.5 Gram(s)
Total Carbohydrates
1 Gram(s)
Protein
1 Gram(s)
CDP-Choline
50 mg
Flaxseed Oil
894 mg
L-Arginine (L-Arginine Hydrochloride)
 167 mg 44
Maca powder
130 mg
Ashwagandha powder
120 mg 50
Epimedium (Epimedium sagittatum) (Horny Goat Weed) extract (Icariins)
 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
NADH
0.5 mg
BioPerine Complex
20 mg
Men 18–50
Report overview
Tyrosine · 60 mg OverallScore42
B- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value
Each serving provides 60 mg of L-Tyrosine, at a high cost for the amount. The stated form is L-Tyrosine. No additional sourcing or purity information is available.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The stated form is L-Tyrosine. No additional sourcing or purity information is available.
Tyrosine Chemical Form
The stated form is L-Tyrosine.
Purity and Sourcing Signals
No additional sourcing or purity information is available.

Dose, Safety & Label Transparency30

The label gives an individual amount of 60 mg of L-Tyrosine per serving.
Tyrosine Dosage Adequacy
Each serving provides 60 mg of L-Tyrosine.
Label Transparency and Blends
The tyrosine amount is individually disclosed.

Value10

The cost for the amount of tyrosine is high.
Price per Gram of Tyrosine
The cost for the amount of tyrosine is high.
View ingredientView products
Ashwagandha · 120 mg OverallScore50
F Composition And Label DisclosureA+ Composition And Label Disclosure
The serving provides 120 mg of ashwagandha powder, with the whole product priced per serving. The plant part is unspecified.
How this ingredient is rated

Composition and Label Disclosure0

The ashwagandha is powder, but the plant part is unspecified.
Withanolide and Preparation Disclosure
The ashwagandha is powder, but the plant part is unspecified.

Composition and Label Disclosure100

The serving amount and ashwagandha source are stated.
Individual Preparation Amount Disclosure
The label states 120 mg of ashwagandha powder per serving.

Commercial Price and Usability

A separate value conclusion is not available.
View ingredientView products
Arginine (L-Arginine Hydrochloride) · 167 mg OverallScore44
B- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value
Each serving provides 167 mg of arginine, a small amount, at a high cost per gram. It uses L-Arginine Hydrochloride.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The source is L-Arginine Hydrochloride.
Arginine Form & Sourcing Purity
The source is L-Arginine Hydrochloride.

Dose, Safety & Label Transparency30

A serving supplies 167 mg of arginine, a small amount for cardiovascular and fitness purposes.
Arginine Dose Per Serving
A serving supplies 167 mg of arginine, a small amount for cardiovascular and fitness purposes.

Value20

The cost per gram of arginine is high, based on the full serving price.
Price Per Gram of Arginine
The cost per gram of arginine is high, based on the full serving price.
View ingredientView products
74 Performance

Thyroid Support Complex

Pure Encapsulations

Tyrosine, standardized ashwagandha, iodine, selenium, zinc, and thyroid-focused botanicals create a coherent and well-specified formula without yohimbe. Selenium and zinc are substantial, while thyroid disease or thyroid-hormone use requires individualized guidance.

72 Performance

For Her Sexual Response & Libido Boost Capsules

Bluebonnet Intimate Essentials

Damiana, maca, arginine, ashwagandha, and rhodiola create a more coherent libido blend with clearly listed individual amounts. Most extracts lack active-marker standardization and arginine is modest, but it avoids the original’s extreme yohimbe concern.

80 Performance

Thyroid Health Formula

Natural Factors

Well-chosen mineral forms and meaningful tyrosine provide a stronger quality foundation than the original’s underdosed, yohimbe-heavy blend. Ashwagandha and guggul lack standardization details, and the thyroid-focused combination needs caution with thyroid conditions or medicines.

77 Budget

Essential Thyroid Nutrition

NutriCology

Iodine, zinc, selenium, and vitamin B12 use strong forms in a compact lower-cost design. Tyrosine and ashwagandha are modest, and the thyroid-focused formula is not a direct libido replacement; thyroid disease or thyroid-medicine use calls for clinician guidance.

81 Budget

ThyroSense

Natural Factors WS WomenSense

Well-chosen mineral forms and a meaningful tyrosine amount provide a clearer, safer foundation than the original’s crowded yohimbe formula. Ashwagandha and guggul standardization are incomplete, and people managing thyroid conditions should review the combination with a clinician.

80 Budget

Thyrocsin

Thorne

High-quality vitamin and mineral forms support iodine, selenium, and tyrosine in a compact formula with lower serving cost. It avoids yohimbe but targets thyroid support rather than libido, and iodine plus ashwagandha require condition-specific guidance.

80 Value

ThyroSense

Natural Factors WS WomenSense

Quality mineral forms and meaningful tyrosine provide a lower-cost, more assessable alternative without yohimbe. Ashwagandha and guggul standardization are incomplete, and the thyroid focus makes clinician review important for thyroid disease or medication use.

47 Value

Thyroid Support Liquid Phyto-Caps

Gaia Herbs Professional Solutions

Tyrosine, iodine, and ashwagandha broadly support energy and endocrine pathways without yohimbe. Two proprietary blends hide most identities and doses, so the similar-cost formula is safer in concept but still difficult to assess.

68 Value

Triple Action Thyroid

Life Extension

Methylcobalamin, tyrosine, fermented ginseng, and branded ashwagandha provide plausible energy and stress support without yohimbe. Repeated iodine and ashwagandha entries reduce label clarity, and thyroid-active ingredients need caution with thyroid conditions or medicines.

Report alternatives