BioStacks
Irwin Naturals

Steel-Libido Pink For Women

Capsule · 2 Softgels · 30 servings

iHerbAmazon
20 / 100Poor

Best for

Stress & Mood

Score Breakdown

Formulation
32
Safety
62
Final score
20/100

Ingredients (11)

Velvet Bean seed extract

75%

Dose

150 mg

Target

200–600 mg

Form

—

Damiana, Powder

100%

Dose

150 mg

Target

100–1000 mg

Form

—

BioPerine Complex

60%

Dose

3 mg

Target

5–20 mg

Form

—

Sensoril

50%

Dose

62.5 mg

Target

125–500 mg

Form

Premium

L-Theanine

50%

Dose

50 mg

Target

100–250 mg

Form

—

Nutrition

Calories and macros.

  • Calories20 Calorie(s)
  • Total Fat1.5 Gram(s)
  • Total Carbohydrates1 Gram(s)
  • Protein1 Gram(s)

Other Ingredients (13)

Titanium DioxideColorant

Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

AnnattoColorant

Natural yellow-orange colorant derived from the seeds of the achiote tree (Bixa orellana)

Tapioca DextrinCarrier

A starch hydrolysate from tapioca used as a carrier and flow agent

Flaxseed OilCarrier Oil

Flaxseed (linseed) oil, an ALA omega-3 source used as a softgel carrier oil

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Soy LecithinEmulsifier

Widely used emulsifier derived from soybeans

Turmeric ColorColorant

Natural yellow colorant from the rhizome of Curcuma longa; the pigment is curcumin

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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