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Glucosamine 750 mg Chondroitin 600 mg

21st Century
4.8
★ ★ ★ ★ ★
(2009 ratings)
Sodium 125 mg
Potassium 194 mg
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Score66
A large 75-serving supply and meaningful disclosed joint actives support good routine value. The formula offers only incidental potassium and is not heart focused.
How scoring works
Quantity:150 Tablet(s) • (75 servings)
Goals:

Score 66

A large 75-serving supply and meaningful disclosed joint actives support good routine value. The formula offers only incidental potassium and is not heart focused.
How scoring works

Also available as

2 options
60 servings Potassium 194 mg, Sodium 125 mg • 60 Tablet(s) • 30 servings $15.74 ($0.52 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)
$40.99($0.54 per serving)
iHerb
$ 40.99
iHerb
$ 40.99
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Analysis

Glucosamine sulfate is supplied at 1,500 mg and chondroitin sulfate at 1,200 mg. The complete amounts and large serving count make the formula convenient for an established joint-support routine.

The 194 mg potassium amount is accompanied by 125 mg of sodium. These minerals play a secondary role and do not provide a strong electrolyte or cardiovascular profile.

Buyers who already know they tolerate the tablet format may value the larger supply. Chondroitin can be relevant to anticoagulant therapy, and intentional potassium intake may be inappropriate when kidney function is impaired.

Who is it for
  • Established glucosamine-chondroitin users
  • Adults seeking a larger tablet supply
Best for
  • Longer-term joint supplementation
  • Clearly stated active amounts

Pros

  • Provides 75 servings
  • Discloses both main joint-active doses
  • Low recurring serving cost

Cons

  • Weak alignment with heart health
  • Potassium is partly offset by sodium
  • No broad cardiovascular support

Warnings

  • Chondroitin may increase bleeding risk with warfarin or other anticoagulants.
  • People with impaired kidney function or potassium-retaining medicines should account for 194 mg of potassium.

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

66 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

66 High impact

The broader formula may offer utility, though sodium-specific value is only moderate. 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 dose is too small for athletic replenishment. Potassium adds some mineral coverage, but its form and the sodium source remain undisclosed. The larger tablet count provides favorable value for its joint-support purpose, not for concentrated hydration.
View ingredientView products
Potassium · 194 mg OverallScore58
D+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyC+ Value

Potassium chloride from the glucosamine salt provides practical electrolyte support without premium buffering capacity. The moderate amount is clearly listed as a single value, though full yield math is missing. A low serving cost makes this a good-value secondary potassium source within a joint 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 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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