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Extreme Joint Care

product on market Capsule NutraBio Safety: 98/100
98/100

This product looks safe

  • Horsetail herb S.E.: 100mg is 250.0× the Tolerable Upper Intake Level (0.4mg)
  • 31% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains Vitamin C and D3, which have strong evidence for supporting bone and connective tissue health. Manganese and essential electrolytes like potassium and sodium support metabolic function and fluid balance. Overall, clinical evidence for this specific combination as a joint-care complex is limited.

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

Alerts

Safety Alerts

Horsetail herb S.E.: 100mg is 250.0× the Tolerable Upper Intake Level (0.4mg)

Label

Product Label

Label for Extreme Joint Care
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
31%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
120 mg (200% DV)
2000 IU (500% DV)
3.3× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)
10 mg (500% DV)
4.3× RDA — above typical dose (UL: 11 mg) 9 studies — no high-quality reviews
Potassium
240 mg (6% DV)
Sodium
30 mg (2% DV)
Market median: 1000.0mg (1115 products) 24 studies (A:0, B:9)
Market median: 600.0mg (79 products) 25 studies (A:0, B:6)
OptiMSM
500 mg
Gelatin
442 mg
Market median: 450.0mg (254 products) 243 studies (A:0, B:100)
KollaGen II-XS
200 mg
ApresFlex
100 mg
Market median: 100.0mg (173 products)
Exceeds UL by 250.0× (UL: 0.4 mg) 173 studies (A:0, B:67)
Bioperine
5 mg
3 mg
Market median: 3.0mg (58 products) 3 studies — no high-quality reviews

Other Ingredients

Gelatin Capsule
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 4 capsules per day with meals. May be taken all at once or in 2 divided doses with morning and evening meals.

Warnings & Precautions

Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.

If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product.

Formulation Notes

Gluten Free Non-GMO Lactose Free BSE/TSE Free No exipients, no fillers, allergen free, no artificial color, no preservatives, no starch, no sugar, no soy, no wheat, no yeast, no fish, no milk.

Support mobility Supports cartilage

Manufactured in our GMP & FDA inspected facility FDA Registration: 16906175560

Additional Information

Since 1996

Made in USA with ingredients sourced worldwide

#1 Formulated Joint Care Product for Hardcore Athletes

Joint relief starting in 7 days

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU6 49908 52336 7
DSLD Entry Date2021-07-27
Product TypeOther Combinations
FormCapsule
DSLD ID248323
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.