Irwin Naturals

Steel-Libido

F
N+ Score58
Omega & Fish OilServing: 1 Liquid Soft-Gel(s)Type: Other Combinations

Steel-Libido is an "Other Combinations" supplement containing 16 ingredients, including a blend of traditional herbs and amino acids. Notable ingredients include L-Arginine (167 mg), Maca powder (130 mg), Ashwagandha powder (120 mg), and Epimedium extract (120 mg). This product received an N+ Score of 58, translating to an "F" grade, indicating a poor overall quality assessment. While L-Arginine at 167 mg is listed as a clinically dosed ingredient, other components such as Choline and L-Tyrosine are underdosed according to research. The product's ingredient adequacy is 33% and formula completeness is 25%, suggesting most ingredients are not at optimal levels. This supplement is intended for individuals exploring options for male vitality, but its efficacy is limited by the significant number of underdosed ingredients.

About This Product

Steel-Libido by Irwin Naturals is a omega & fish oil supplement containing 16 active ingredients. It has earned an N+ Score of 58/100 (Grade F).

Notable clinical-dose ingredients include L-Arginine.

N+ Score Breakdown

Ingredient Adequacy33/100

Are key ingredients present at clinically effective doses based on research?

Formula Completeness25/100

Does the product include all expected ingredients for its supplement category?

Label Transparency100/100

Are individual ingredient amounts clearly disclosed without proprietary blends?

Ingredient Diversity100/100

Does the formula include a breadth of beneficial compounds from multiple pathways?

Strengths

  • +Fully transparent label with individual ingredient amounts disclosed
  • +Broad ingredient diversity exceeding category norms
  • +1 ingredient(s) at clinical dose levels
  • +Rich formula with 16 active ingredients

Weaknesses

  • Several ingredients below clinically effective doses
  • Missing several expected ingredients for its category

Ingredient Analysis (16 ingredients)

IngredientAmountDose Adequacy
Calories20.000 Calorie(s)N/A
Total Fat1.500 Gram(s)N/A
Choline10.000 mgUnder
Total Carbohydrates1.000 Gram(s)N/A
Protein1.000 Gram(s)N/A
L-Arginine167.000 mgHigh
L-Tyrosine60.000 mgUnder
Maca, Powder130.000 mgN/A
Asian Ginseng extract15.000 mgN/A
Yohimbe extract70.000 mgN/A
Flaxseed Oil894.000 mgN/A
Cayenne, Powder50.000 mgN/A
BioPerine Complex3.000 mgN/A
Ashwagandha powder120.000 mgN/A
Epimedium extract120.000 mgN/A
DMG80.000 mgN/A

Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.