🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
200 IU (4% DV)
Vitamin C
2 mg (3% DV)
2 IU (7% DV)
✅ Within RDA (0.1× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 1.34mg UL 1000mg
2 mg (133% DV)
✅ 1.7× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 2mg
2 mg (118% DV)
✅ 1.5× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 2mg
2 mg (10% DV)
✅ Within RDA (0.1× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 2mg UL 35mg
2 mg (100% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
20 mcg (333% DV)
📊 8.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.02mg
640 mcg (32% DV)
✅ Within RDA (0.3× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 0.64mg UL 11mg
400 mcg (3% DV)
📊 Market median: 18.0mg (1009 products) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 0.4mg UL 40mg
4 mcg (6% DV)
✅ Within RDA (0.1× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.004mg UL 0.4mg
200 mcg (10% DV)
✅ Within RDA (0.2× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.2mg UL 10mg
4 mcg (3% DV)
✅ Within RDA (0.1× RDA of 0.035 mg) 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.004mg
📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)
This product: 500mg
📊 Market median: 600.0mg (79 products) 📚 24 studies (Tier A: 0, B: 6)
This product: 400mg
Shark Cartilage
750 mg
New Zealand Green Lipped Sea Mussel
250 mg
MSM
250 mg
📊 Market median: 1000.0mg (2 products)
This product: 250mg
L-Histidine
10 mg
1 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 1mg UL 20mg
Alfalfa powder
25 mg
Yucca Extract
1 mg
Devil's Claw
1 mg
Cetyl Myristoleate
1 mg

Other Ingredients

Whey Di-Calcium Phosphate Stearic Acid Croscarmellose Sodium Magnesium Stearate

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement take one (1) or two (2) tablets three (3) times daily.

⚠️ Warnings & Precautions

CAUTION: This product is not intended for persons with allergies to shellfish.

Not to be used by pregnant or nursing mothers or children under the age of 18.

If you have any questions about the advisability of taking this product, consult your physician prior to use.

KEEP OUT OF REACH OF CHILDREN.

DO NOT USE IF OUTER SEAL IS DAMAGED OR MISSING.

Allergen Warning: Contains shellfish (glucosamine, sea mussel) and Fish (shark).

Additional Information

Vb

Formulated to Support Joint Function

Product Details

DSLD Entry Date 2012-03-23
Product Type Other Combinations
Form Tablet or Pill
Brand Vitabase
DSLD ID 6701
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 →

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