BioStacks
Nature's Bounty Optimal Solutions

Extra Strength Hair, Skin & Nails

Capsule · 3 Softgels · 40 servings

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Best for

ImmuneGeneral HealthDental

Ingredients (23)

Biotin

100%

Dose

5000 mcg

Target

1000–5000 mcg

Form

—

Niacin

100%

Dose

25 mg

Target

25–500 mg

Form

Standard

Vitamin A

100%

Dose

1500 mcg

Target

700–1500 mcg

Form

Standard

Manganese

100%

Dose

5 mg

Target

1.8–5 mg

Form

Standard

Vitamin D

80%

Dose

800 IU

Target

1000–5000 IU

Form

Premium

Nutrition

Calories, macros & sodium.

  • Calories15 Calorie(s)
  • Total Fat1 Gram(s)

Other Ingredients (4)

Soy LecithinEmulsifier

Widely used emulsifier derived from soybeans

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Vegetable OilCarrier

Edible oils used as carriers in softgels and as processing aids

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

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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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