🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 40% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

3 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
40% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
150 mg (167% DV)
88 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 88mg
Potassium
95 mg (2% DV)
MSM
1500 mg
📊 Market median: 1000.0mg (2 products)
This product: 1500mg
📊 Market median: 1000.0mg (1115 products) 📚 22 studies (Tier A: 0, B: 9)
This product: 750mg

Other Ingredients

Gelatin Microcrystalline Cellulose Magnesium Stearate Silicon Dioxide

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested Adult Use: Take 3 capsules twice daily with food, or as recommended by a nutritionally informed physician.

⚠️ Warnings & Precautions

Contains shellfish (crab and shrimp shells)

Warning: Consult your physician before using any health supplement if pregnant, nursing, have a medical condition, taking warfarin or medications for diabetes or glaucoma.

Not for use by individuals under the age of 18 years. Keep out of reach of children.

🧪 Formulation Notes

Doctor's Best Synergistic Glucosamine MSM Formula contains Glucosamine Sulfate and Methylsulfonylmethane (MSM, from OptiMSM) to help support joint health. Glucosamine Sulfate helps support joint mobility. MSM supplies bioavailable sulfur needed to support joint health in addition to beauty benefits for hair, skin, and nails. Vitamin C is an ideal addition, to boost the body's own ability to produce and effectively use collagen, a structural protein that is an important component of joints, tendons, and skin. Vitamin C works synergistically with collagen for overall health of body functions and skin health.

Joint health, mobility, and comfort Overall health for vibrant hair, skin and nails Collagen production

Helps support healthy joints

Non-GMO Gluten Free Soy Free

Additional Information

Store in a cool dry place.

Product Details

UPC / SKU 7 53950 00070 4
DSLD Entry Date 2022-07-21
Product Type Other Combinations
Form Capsule
DSLD ID 269281
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 →

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