🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B 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

1 Tablet(s) Serving Size
30 Servings
Non-Nutrient/Non-Botanical Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Potassium
87 mg (3% DV)
Calcium
65 mg (7% DV)
📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)
This product: 677mg
MSM
500 mg
📊 Market median: 1000.0mg (2 products)
This product: 500mg

Other Ingredients

Stearic Acid Cellulose Silica Cellulose Gum Magnesium Stearate Methylcellulose Glycerin Carnauba Wax

Label Claims — Verification

All Other
Structure/Function
All Other (100% of products) Structure/Function (89% of products) Nutrient (16% of products)

Target Groups

Adult (18 - 50 Years) Dairy Free

Product Information

📋 Directions for Use

Directions: Take 1 tablet, three times daily, with a meal.

⚠️ Warnings & Precautions

Consult your healthcare professional prior to use if you have or suspect a medical condition, or are taking prescription drugs. Do not use if you are pregnant or lactating.

KEEP OUT OF REACH OF CHILDREN.

Contains Crustacean Shellfish (Crab & Shrimp).

🧪 Formulation Notes

Contains Crustacean Shellfish (Crab & Shrimp).

NO Milk, Egg, Fish, Tree Nuts, Wheat, Peanuts, Soybeans, Yeast, Corn, Artificial Colors or Flavors, Added Sugar, Starch or Preservatives

Additional Information

MSM (Methylsulfonylmethane) and Glucosamine Sulfate are the subject of research on connective tissue and joint health. MSM is a compound containing sulfur, which is important in promoting joint flexibility, while Glucosamine has been shown to regenerate cartilage for greater joint comfort.

STORE IN A COOL, DRY PLACE.

ITEM: 16128 F: 3000107 L: 2004414-15161

• Clinically Tested Ingredients to Promote Healthy Joints and Cartilage • Supports Joint Comfort • Double Strength

Product Details

UPC / SKU 0 47469 16128 6
DSLD Entry Date 2016-01-25
Product Type Non-Nutrient/Non-Botanical
Form Tablet or Pill
Brand Natrol
DSLD ID 55571
Data Updated 2026-04-11

Research Evidence

39 Research Sources
50 Avg Quality Score
20 Rct
9 Meta Analysis
4 Clinical Trial
3 Systematic Review
1 Regulatory Source
1 Openfda Safety
B Interventions for the management of temporomandibular joint osteoarthritis
Systematic Review The Cochrane database of systematic reviews 2012
B Glucosamine therapy for treating osteoarthritis
Meta Analysis The Cochrane database of systematic reviews 2005
B Chondroitin for osteoarthritis
Meta Analysis The Cochrane database of systematic reviews 2015
B Efficacy and safety of the combination of glucosamine and chondroitin for knee osteoarthritis: a systematic review and meta-analysis
Meta Analysis Archives of orthopaedic and trauma surgery 2023
B Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis
Rct The New England journal of medicine 2006
B Oral Glucosamine in the Treatment of Temporomandibular Joint Osteoarthritis: A Systematic Review
Systematic Review International journal of molecular sciences 2023
B Scientific Opinion on glucosamine and joint health
Regulatory Source EFSA Journal 2009
B Clinical Efficacy and Safety of Chondroitin Combined with Glucosamine in the Treatment of Knee Osteoarthritis: A Systematic Review and Meta-Analysis
Meta Analysis Computational and mathematical methods in medicine 2022
B Combined chondroitin sulfate and glucosamine for painful knee osteoarthritis: a multicentre, randomised, double-blind, non-inferiority trial versus celecoxib
Rct Annals of the rheumatic diseases 2016
B Effectiveness and safety of glucosamine and chondroitin for the treatment of osteoarthritis: a meta-analysis of randomized controlled trials
Meta Analysis Journal of orthopaedic surgery and research 2018
View all evidence for Glucosamine →

Compare Similar Products

View all Glucosamine products →