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Glucosamine 750 mg Chondroitin 600 mg

21st Century
4.8
★ ★ ★ ★ ★
(1980 ratings)
Sodium 125 mg
Potassium 194 mg
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Score64
The formula clearly delivers its glucosamine and chondroitin actives, but its potassium contribution is modest. It is a joint product rather than a cardiovascular supplement.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:

Score 64

The formula clearly delivers its glucosamine and chondroitin actives, but its potassium contribution is modest. It is a joint product rather than a cardiovascular supplement.
How scoring works

Also available as

2 options
150 servings Potassium 194 mg, Sodium 125 mg • 150 Tablet(s) • 75 servings $40.99 ($0.54 per serving) 500 mg / 400 mg • 180 Tablet(s) servings Potassium 205 mg, Sodium 125 mg • 180 Tablet(s) • 60 servings $35.99 ($0.59 per serving)
$15.74($0.52 per serving)
iHerb
$ 17.84
iHerb
$ 15.74
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Analysis

The serving provides 1,500 mg of glucosamine sulfate and 1,200 mg of chondroitin sulfate. Those disclosed amounts are the formula's main strength and make comparison with other joint products simple.

Potassium is 194 mg and sodium is 125 mg. The balance offers only modest nutritional support and is not suitable for substantial electrolyte replenishment.

The 30-serving tablet supply is aimed at routine joint supplementation rather than heart health. Chondroitin warrants caution with anticoagulants, and the potassium amount matters for people who cannot clear potassium normally.

Who is it for
  • Adults seeking a tablet-based joint formula
  • People who want fully stated core doses
Best for
  • Glucosamine and chondroitin routines
  • One-month joint supplementation

Pros

  • Clearly quantified main actives
  • Uses glucosamine sulfate 2KCl
  • Moderate serving cost for the joint formula

Cons

  • Only modest potassium support
  • Not designed for hydration
  • Little targeted cardiovascular relevance

Warnings

  • Chondroitin may increase bleeding risk with warfarin or other anticoagulants.
  • The 194 mg potassium serving may not suit impaired kidney function or potassium-retaining medicines.

Nutrient quality

54 Moderate impact

The sodium source is not identified, so its form quality cannot be assessed confidently. The 125 mg sodium amount is too low for substantial sweat replacement.

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Ingredient transparency

74 High impact

Active amounts are listed clearly. No proprietary blend hides a key dose, but other ingredients and full directions are missing.

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Customer satisfaction

65 High impact

The supplied average rating is generally strong and the rating volume provides an aggregate signal. No comment-level evidence is provided to assess recurring complaints or confirm how experience matches the intended purpose.

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Value for money

60 Moderate impact

The low sodium contribution or weak disclosure limits effective value. The main non-electrolyte actives are purposeful rather than obvious padding.

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Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s)
Sodium
125 mg
Potassium
194 mg
Glucosamine Sulfate (Glucosamine Sulfate 2KCl)
 1500 mg
Chondroitin Sulfate
1200 mg
Gluten Free Adults 18–50
Report overview
Sodium · 125 mg OverallScore64
D Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyA+ Value
The sodium amount is too low for exercise-driven replacement. Potassium is present, but its form and the sodium source are not stated. Favorable cost and a low carbohydrate load do not overcome the fact that this joint-support tablet is not designed as a hydration product.
View ingredientView products
Potassium · 194 mg OverallScore57
D+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyC Value

The potassium chloride portion of glucosamine sulfate supplies a functional electrolyte form but little alkalizing benefit. Its moderate amount is useful as a secondary nutrient rather than a high-potency potassium serving. The serving cost is modest, creating reasonable value within a joint-support formula.

View ingredientView products
Loading alternative details
87 Performance

Potassium Bicarbonate 1.3 g

Nutricost
Potassium bicarbonate supplies a meaningful, well-absorbed amount with clear active labeling. The focused form and stronger potassium relevance improve on the original joint-support formula with sodium and potassium serving only an incidental role, though it supplies no sodium and may be unsafe with impaired kidney function or potassium-retaining medicines.
83 Performance

Sport Strawberry Lemonade

Nuun
Useful sodium and moderate potassium create a coherent exercise-hydration tablet in a convenient format. Its clearly structured electrolyte purpose improves on the original joint-support formula with sodium and potassium serving only an incidental role, although magnesium oxide is a weak form and potassium remains too modest for focused repletion.
72 Performance

Optimal Electrolyte Seltzer

Seeking Health
Potassium bicarbonate, magnesium malate, ribose, taurine, and sodium create a broad electrolyte and cardiac-energy drink. The better-specified heart-oriented formula offers more targeted coverage than the original joint-support formula with sodium and potassium serving only an incidental role, while modest sodium and taurine plus premium serving cost limit practicality.
87 Budget

Potassium Bicarbonate 1.3 g

Nutricost
Potassium bicarbonate provides a meaningful, well-absorbed amount in a simple powder. Its very low serving cost and stronger potassium focus make it a cheaper alternative to the original joint-support formula with sodium and potassium serving only an incidental role, although it provides no sodium and requires caution with kidney impairment or potassium-retaining medicines.
83 Budget

Potassium Citrate

NOW
A meaningful potassium citrate amount provides clear form quality and focused electrolyte support. The low serving cost improves budget value over the original joint-support formula with sodium and potassium serving only an incidental role, while the absence of sodium and the risk from kidney impairment or potassium-retaining medicines remain important limitations.
78 Budget

Potassium 99 mg

Country Life
Citrate and an amino-acid chelate provide a clearly identified, streamlined potassium formula. It costs less per serving than the original joint-support formula with sodium and potassium serving only an incidental role, but the small amount offers only limited heart support and repeated source entries make the total less clear.
85 Value

Potassium Chloride 365 mg

Nutricost
Potassium chloride provides a meaningful electrolyte amount in a simple powder with exceptional serving economy. It offers clearer potassium value than the original joint-support formula with sodium and potassium serving only an incidental role, but lacks citrate or bicarbonate buffering and requires caution with kidney impairment or potassium-retaining medicines.
80 Value

Potassium Gluconate Pure Powder

NOW
Potassium gluconate supplies a moderate, focused amount with strong serving value. The cleaner mineral purpose improves value over the original joint-support formula with sodium and potassium serving only an incidental role, although the contribution remains limited beside dietary needs and no sodium is included.
70 Value

TMSport Endure

Trace Minerals
A liquid blend covers sodium, potassium, magnesium, and other main electrolytes at low recurring cost. It provides broader hydration value than the original joint-support formula with sodium and potassium serving only an incidental role, but the amounts are modest and branded trace-mineral terms remain vague.
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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Oral potassium supplementation for management of essential hypertension: A meta-analysis of randomized controlled trials.
    Poorolajal J; Zeraati F; Soltanian AR; Sheikh V; Hooshmand E; Maleki A · PloS one · 2017
    Meta-analysis1,213 participants23 studies pooledHeart Health forPotassium
  2. Effect of Potassium Supplementation on Endothelial Function: A Systematic Review and Meta-Analysis of Intervention Studies.
    D'Elia L; Cappuccio FP; Masulli M; La Fata E; Rendina D; Galletti F · Nutrients · 2023
    Meta-analysis332 participants5 studies pooledHeart Health forPotassium
  3. Potassium intake, stroke, and cardiovascular disease a meta-analysis of prospective studies.
    D'Elia L; Barba G; Cappuccio FP; Strazzullo P · Journal of the American College of Cardiology · 2011
    Meta-analysis247,510 participants11 studies pooledHeart Health forPotassium
  4. Magnesium and Potassium Supplementation for Systolic Blood Pressure Reduction in the General Normotensive Population: A Systematic Review and Subgroup Meta-Analysis for Optimal Dosage and Treatment Length.
    Behers BJ; Behers BM; Stephenson-Moe CA; Vargas IA; Meng Z; Thompson AJ; Melchor J; Wojtas CN; Rosario MA; Baker JF; Deevers AC; Mouratidis RW; Sweeney MJ · Nutrients · 2024
    Meta-analysisHeart Health forPotassium
  5. Potassium intake and risk of stroke in women with hypertension and nonhypertension in the Women's Health Initiative.
    Seth A; Mossavar-Rahmani Y; Kamensky V; Silver B; Lakshminarayan K; Prentice R; Van Horn L; Wassertheil-Smoller S · Stroke · 2015
    Cohort study90,137 participantsHeart Health forPotassium
  6. Effect of high potassium diet on endothelial function.
    Blanch N; Clifton PM; Petersen KS; Willoughby SR; Keogh JB · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2015
    Randomized trial35 participantsHeart Health forPotassium
  7. Associations between sodium, potassium, and blood pressure: results from the Hispanic Community Health Study/Study of Latinos, a prospective cohort study.
    Swift SL; Sotres-Alvarez D; Raij L; Wassertheil-Smoller S; Schneiderman N; Llabre M; Zeki Al Hazzouri A; Rundek T; Van Horn L; Daviglus M; Castaneda S; Youngblood M; Mossavar-Rahmani Y; Elfassy T · The American journal of clinical nutrition · 2024
    Cohort study11,429 participantsHeart Health forPotassium
  8. Serum potassium levels provide prognostic information in symptomatic heart failure beyond traditional clinical variables.
    Toledo CC; Vellosa Schwartzmann P; Miguel Silva L; da Silva Ferreira G; Bianchini Cardoso F; Citelli Ribeiro V; Paim LR; Antunes-Correa LM; Carvalho Sposito A; Matos Souza JR; Modolo R; Nadruz W; Fernandes de Carvalho LS; Coelho-Filho OR · ESC heart failure · 2021
    Cohort study178 participantsHeart Health forPotassium
  9. Long-Term Potassium Monitoring and Dynamics in Heart Failure and Risk of Mortality.
    Núñez J; Bayés-Genís A; Zannad F; Rossignol P; Núñez E; Bodí V; Miñana G; Santas E; Chorro FJ; Mollar A; Carratalá A; Navarro J; Górriz JL; Lupón J; Husser O; Metra M; Sanchis J · Circulation · 2019
    Cohort study2,164 participantsHeart Health forPotassium
  10. Finerenone, Serum Potassium, and Clinical Outcomes in Heart Failure With Mildly Reduced or Preserved Ejection Fraction.
    Vardeny O; Vaduganathan M; Claggett BL; Desai AS; Jhund PS; Lam CSP; Senni M; Shah SJ; Voors AA; Zannad F; Pitt B; Matsumoto S; Merkely B; Zieroth S; Yilmaz MB; Lay-Flurrie J; Viswanathan P; Horvat-Broecker A; Scalise A; McMurray JJV; Solomon SD · JAMA cardiology · 2025
    Randomized trial6,001 participantsHeart Health forPotassium