Home/ Supplements/ Vitamin A/ Extra Strength Hair, Skin & Nails

Extra Strength Hair, Skin & Nails

product on market Softgel Capsule Nature's Bounty Optimal Solutions Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 52% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamins A, C, and D are essential nutrients that support skin integrity and cellular health. There is strong research evidence for their roles in maintaining biological functions, though the overall evidence coverage for this specific formulation is limited. The product maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Extra Strength Hair, Skin & Nails
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Softgel(s)
Serving Size
10
Servings
Other Combinations
Product Type
52%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
15 Calorie(s)
Total Fat
1 Gram(s) (2% DV)
Vitamin A
5000 IU (100% DV)
Vitamin C
60 mg (100% DV)
800 IU (200% DV)
1.3× RDA — within safe limits 608 studies (A:16, B:251)
15 IU (50% DV)
Within RDA (0.7× RDA) 179 studies (A:3, B:90)
5 mg (333% DV)
4.2× RDA — above typical dose 76 studies (A:0, B:33)
5 mg (294% DV)
3.8× RDA — above typical dose 13 studies (A:0, B:1)
25 mg (125% DV)
1.8× RDA — within safe limits 196 studies (A:5, B:63)
5 mg (250% DV)
3.8× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
200 mcg (50% DV)
Within RDA (0.5× RDA) 226 studies (A:10, B:105)
8 mcg (133% DV)
3.3× RDA — above typical dose 139 studies (A:1, B:44)
5000 mcg (1667% DV)
166.7× RDA — above typical dose 27 studies (A:0, B:11)
15 mg (150% DV)
3.0× RDA — within safe limits 2 studies — no high-quality reviews
Iron
3 mg (17% DV)
7.5 mg (50% DV)
Within RDA (0.7× RDA) 263 studies (A:6, B:134)
12.5 mcg (18% DV)
Within RDA (0.2× RDA) 173 studies (A:0, B:67)
5 mg (250% DV)
2.2× RDA — within safe limits 9 studies — no high-quality reviews
Argan Oil
25 mg
10 mg
Market median: 500.0mg (9 products) 7 studies — no high-quality reviews
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Market median: 200.0mg (198 products) 6 studies — no high-quality reviews
Horsetail
3 mg
Market median: 20.0mg (931 products) 234 studies (A:1, B:90)
Market median: 100.0mg (173 products)

Other Ingredients

Soybean Oil Gelatin Vegetable Glycerin Soy Lecithin Contains Less Than 2% of
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: For adults, take three (3) softgels daily, preferably with a meal.

Warnings & Precautions

Not intended for use by persons under the age of 18.

Do not use if seal under cap is broken or missing.

WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six. KEEP THIS PRODUCT OUT OF REACH OF CHILDREN. In case of accidental overdose, call a doctor or Poison Control Center immediately.

Contains soy and tree nut (argan) ingredients.

WARNING: If you are pregnant, nursing, taking any medications, planning any medical or surgical procedure or have any medical condition, consult your doctor before use.

Avoid this product if you are allergic to yeast.

It is advisable to consult your doctor before using biotin doses above 2,500 mcg per day. If any adverse reactions occur, stop use and consult your doctor.

Formulation Notes

No Artificial Flavor, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Gluten, No Wheat, No Fish.

Antioxidants C & E Hyaluronic Acid 100% Daily Value of 11 Key ingredients

ARGAN OIL INFUSED

With Biotin 5000 mcg per serving Antioxidants C & E Plus Hyaluronic Acid

Contains soy and tree nut (argan) ingredients.

Additional Information

Store at room temperature.

Guaranteed Quality Laboratory Tested

Source: Nielsen xAOC 52 weeks ending 2/20/16.

Nutrition Questions or Comments? Call 1-800-433-2990 Mon.- Sat. 9 AM - 7 PM ET Join our Loyalty Program at NaturesBountyRewards.com

Prod. No. 64743 01B B53215

LUSTROUS HAIR* HEALTHY NAILS* VIBRANT SKIN*

Being healthy is always beautiful.

It contains just the right balance of nutrients to support lustrous hair, healthy nails and vibrant skin.* This innovative formula provides you with the vital nutrients and ingredients in beauty care to support your natural beauty from within.* High potency B Vitamins help with energy metabolism and Biotin helps to maintain healthy hair and nails.* Vitamin E is an antioxidant and Vitamin C is involved in collagen production and formation, which forms the basis for vibrant skin.* Vitamin A assists with skin maintenance and overall health.*

EASY TO SWALLOW SOFTGELS

Part No. 22-64743

100-PET-CRC-F-B1713

Made in the USA with select ingredients from around the world

THE #1 BRAND FOR HAIR, SKIN & NAILS

Health & Beauty

Metadata

Product Details

UPC / SKU0 74312 00038 6
DSLD Entry Date2016-10-22
Product TypeOther Combinations
FormSoftgel Capsule
BrandNature's Bounty Optimal Solutions
DSLD ID65709
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
161
Meta Analysis
68
Systematic Review
51
Rct
48
Clinical Trial
2
Other
2
Regulatory Source
1
Narrative Review
1
Cochrane Review
1
Guideline
1
Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011 PubMed DOI
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019 PubMed DOI
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016 PubMed DOI
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023 PubMed DOI
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
View all evidence for Vitamin A →
Compare

Similar Products

Multivita-Fem
Full Life · Softgel Capsule
100
Reaphirm Plant Source DHA
Everett Laboratories · Softgel Capsule
100
Vitafol-One
Everett Laboratories · Softgel Capsule
100
Vitafol-One
Exeltis USA · Softgel Capsule
100
Multivita-Fem
Full Life · Softgel Capsule
100
View all Vitamin A products →
Vitamin A research Best Vitamin A All Vitamin A products More from Nature's Bounty Optimal Solutions View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.