1 Product identity
Ingredient risk
Contains restricted ingredients
Maximum Strength Glucosamine & Chondroitin Plus
Brand21st Century→Non-Nutrient/Non-Botanical Tablet or Pill 14 ingredients 1 banned 1 caution DSLD #11284Net contents: 60 (Easy Swallow) Tablet(s)
Target: Adults and Children 4 years and above
DSLD entry: 2012-07-25
2 Ingredients (14)
IngredientGroupSafety
Total CaloriesCalories—
Total CarbohydratesCarbohydrate—
Dietary FiberFiber (unspecified)—
Proprietary BlendProprietary Blend (Combination)—
CelluloseCellulose—
Stearic AcidStearic Acid—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⛔ Contains an ingredient banned in ≥1 country
Titanium Dioxide 🇫🇷 🇪🇺 — France banned TiO₂ in food from January 2020, first EU country.
⚠️ Use with caution — restricted in some markets
Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
3 Safety cross-reference
Sodium — Conditionally Safe
⚠ Hypertension
⚠ Fluid retention
Chloride — Limited Evidence
⚠ Co-ingested with sodium
Chondroitin — Limited Evidence
⚠ May enhance anticoagulants
Methylsulfonylmethane — Generally Safe
⚠ GI effects
⚠ Headache
Silicon — Generally Safe
⚠ Very low toxicity
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
Titanium Dioxide — Banned in ≥1 country
⚠ EFSA: can no longer be considered safe as food additive (2021)
⚠ Genotoxicity concern (nanoparticles)
4 Label claims
• All Other
• Structure/Function
5 Data source
DSLD ID11284
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2012-07-25
6 More from 21st Century
View 21st Century Safety Scorecard → 179 products
600 + D3 plus Minerals600 Calcium Supplement600+D3600+D3600+D3Acai 1000 mg7 Cite this page
Vancouver
Pkhakadze G. Maximum Strength Glucosamine & Chondroitin Plus — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 24]. Available from: https://supplement.ge/products/maximum-strength-glucosamine-chondroitin-plus-11284/
CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.
GP
Analyzed by SupplementIndex
PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD
Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG
Publisher: PHIG