🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

2 Liquid Soft-Gel(s) Serving Size
30 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Calories
15 Calorie(s)
Total Fat
1 Gram(s) (1% DV)
Total Carbohydrates
1 Gram(s) (1% DV)
Protein
1 Gram(s)
Vitamin A
2252 mcg (250% DV)
Vitamin C
100 mg (111% DV)
2500 mcg (8333% DV)
📊 83.3× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 2.5mg
Calcium
20 mg (2% DV)
15 mg (136% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
2 mg (222% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
Horsetail Herb Extract
200 mg
Gotu Kola herb extract
120 mg
📊 Market median: 20.0mg (931 products) 📚 233 studies (Tier A: 1, B: 90)
This product: 60mg
📊 Market median: 500.0mg (9 products)
This product: 30mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 80mg

Other Ingredients

Soybean Oil Gelatin Water, Purified Glycerin Beeswax Soy Lecithin Titanium Dioxide Silicon Dioxide Caramel Red Cabbage

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating)

Product Information

📋 Directions for Use

Directions: (Adult) Take two (2) Liquid Soft-Gels daily.

⚠️ Warnings & Precautions

Usage Warnings: Do not use if safety seal is broken. Do not exceed recommended daily intake.

Check with your doctor before using this product if you are using medication or have any medical conditions. Do not use if you may become pregnant, are pregnant or nursing.

Not intended for use by persons under 18. Keep out of reach of children.

Contains: Soy

Warning: (State of California Prop 65) This product contains an ingredient known to the State of California to cause birth defects or other reproductive harm.

🧪 Formulation Notes

Longer Stronger Hair & Nails is a nutrient-rich complex that can help you achieve a naturally vibrant & healthy-looking appearance. Revitalizing Nutrient-Rich Formula A unique blend of vitamins, minerals and botanicals to nourish the body and support the production of healthy hair, skin & nails.

3x Biotin! Biotin Silica Collagen

Additional Information

Natural beauty: More than just skin deep! Even the finest shampoo and conditioner won't fix hair that's starving for nutrients; and expensive nail polish will only hide dull, brittle nails. That's because long, radiant hair and strong, healthy nails start from within.

Store in a cool, dry place.

Product Details

DSLD Entry Date 2025-02-23
Product Type Other Combinations
Form Softgel Capsule
DSLD ID 323147
Data Updated 2026-04-11

Research Evidence

337 Research Sources
54 Avg Quality Score
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
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
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
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
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019
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
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020
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
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019
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
View all evidence for Vitamin A →

Compare Similar Products

View all Vitamin A products →