Product Image

Steel-Libido

Irwin Naturals
4.4
★ ★ ★ ★ ★
(796 ratings)
Tyrosine 60 mg
Ashwagandha 120 mg
Arginine 167 mg
Product Image
Score60

A broad libido formula is dominated by high-caution yohimbe, while several supportive ingredients are too light to justify the complexity.

How scoring works
Quantity:75 Liquid(s) • (37 servings)
Goals:

Score 60

A broad libido formula is dominated by high-caution yohimbe, while several supportive ingredients are too light to justify the complexity.

How scoring works
$24.99($0.67 per serving)
iHerb
$ 24.99
Pure Formulas
$ 24.99
Vitacost
$ 24.99
Report prices

Analysis

Horny goat weed, yohimbe, maca, ashwagandha, arginine, and ginseng form the libido-oriented core. Flaxseed oil and BioPerine support the liquid-capsule delivery concept.

Arginine is only 167 mg, tyrosine 60 mg, and maca 130 mg, leaving several headline ingredients lightly dosed. Yohimbe is listed at 70 mg total alkaloids and demands much more caution than the modest supporting actives.

The formula may fit adults specifically seeking an assertive libido blend, not users wanting gentle daily support. Its stimulant-like risks and medication interactions should carry more weight than its convenient serving price.

Who is it for
  • Adults specifically seeking a high-intensity libido formula
  • Users able to review cardiovascular risks
  • People who tolerate stimulating botanicals
Best for
  • Short-term libido-focused use
  • Users prioritizing horny goat weed and yohimbe
  • Professionally reviewed multi-ingredient protocols

Pros

  • Discloses individual ingredient amounts
  • Includes several libido-related pathways
  • Identifies icariins and yohimbe alkaloids
  • Contains CDP-choline and flaxseed oil

Cons

  • High-caution yohimbe profile
  • Arginine and tyrosine are very light
  • Maca and ashwagandha are modest
  • Complex formula complicates tolerance

Warnings

  • Yohimbe may raise heart rate or blood pressure and should not be combined casually with stimulants
  • Yohimbe and BioPerine can interact with several prescription medicines
  • People with cardiovascular conditions, anxiety sensitivity, or uncontrolled blood pressure should avoid unsupervised use

Nutrient quality

45 Lower impact

A lipid softgel and several named extracts offer some form support. Many core actives are modest, while the high listed yohimbe amount creates a major safety concern.

.

Ingredient transparency

77 High impact

All listed actives have individual amounts and no large proprietary blend hides the core formula. Complete intake directions, full complex composition, and inactive ingredients remain unclear.

.

Customer satisfaction

67 High impact

The supplied average rating is generally favorable. A very large rating base makes the average dependable, but no detailed experience evidence was supplied.

.

Value for money

51 Moderate impact

Serving economics are reasonable. Formula weaknesses do not justify the asking price well.

.
Report analysis

Ingredients

IngredientAmount per serving
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
Maca powder
130 mg
Ashwagandha powder
120 mg
Epimedium (Epimedium sagittatum) (Horny Goat Weed) extract (Icariins)
 120 mg
DMG
80 mg
Yohimbe extract (total Alkaloids)
 70 mg
L-Tyrosine
60 mg
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 OverallScore48
A- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value

Steel-Libido 75 Softgels supplies 60 mg of clearly disclosed L-Tyrosine, earning preferred-form credit but a dosage score of 0. Customer feedback averages 4.40 across 791 reviews; the multi-ingredient sexual-health formula warrants medication review, especially where stimulant-like botanicals such as yohimbe are included.

View ingredientView products
Ashwagandha · 120 mg OverallScore46
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyF Value

Irwin Naturals Steel-Libido provides 120 mg of ashwagandha powder with BioPerine and has 791 reviews averaging 4.40. Its form, dose, delivery, transparency, and $0.67 per-serving price were evaluated directly against the collection rubric.

View ingredientView products
Arginine (L-Arginine Hydrochloride) · 167 mg OverallScore42
C+ Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value

Steel-Libido uses clearly identified L-arginine HCl in a liquid softgel, but the 167 mg serving is substantially underdosed for this collection and costs about $4.04 per gram. The 4.40 average across 791 reviews suggests generally positive customer satisfaction. Irwin Naturals appears in NSF dietary-supplement listings, although that does not verify this exact SKU, and the formula’s yohimbe plus manufacturer blood-pressure and medication cautions warrant careful screening.

View ingredientView products
Loading alternative details
74 Performance

Thyroid Support Complex

Pure Encapsulations
<p>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.</p>
72 Performance

For Her Sexual Response & Libido Boost Capsules

Bluebonnet Intimate Essentials
<p>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.</p>
80 Performance

Thyroid Health Formula

Natural Factors
<p>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.</p>
77 Budget

Essential Thyroid Nutrition

NutriCology
<p>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.</p>
81 Budget

ThyroSense

Natural Factors WS WomenSense
<p>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.</p>
80 Budget

Thyrocsin

Thorne
<p>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.</p>
80 Value

ThyroSense

Natural Factors WS WomenSense
<p>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.</p>
47 Value

Thyroid Support Liquid Phyto-Caps

Gaia Herbs Professional Solutions
<p>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.</p>
68 Value

Triple Action Thyroid

Life Extension
<p>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.</p>
Report alternatives