Product Image

Sodium Ascorbate Capsules

NutriBiotic Immunity
4.9
★ ★ ★ ★ ★
(22263 ratings)
Vitamin C 850 mg
Sodium 100 mg
Product Image
Score88
A well-priced, transparent buffered vitamin C capsule for regular use, with sodium as the main trade-off.
How scoring works
Quantity:250 Capsule(s) • (250 servings)
Goals:
General Health
Immunity
Anti-Inflammatory Support
Vision Support
Skin Health

Score 88

A well-priced, transparent buffered vitamin C capsule for regular use, with sodium as the main trade-off.
How scoring works

Also available as

1 option
100 servings C 850 mg, Sodium 100 mg • 100 Capsule(s) • 100 servings $11.99 ($0.11 per serving)
$26.24($0.10 per serving)
iHerb
$ 26.24
Report prices

Analysis

The 850 mg vitamin C serving uses fully buffered sodium ascorbate and clearly identifies its 100 mg sodium contribution. That amount sits in a useful range without reaching an extreme mega-dose.

No proprietary blends or unnecessary supporting ingredients obscure the formula. The capsule is focused on vitamin C, so it does not replace a balanced multivitamin or electrolyte supplement.

The large bottle offers excellent value and a long supply for regular users. Fixed capsules are less adaptable than powder for people who want to split or reduce the serving.

Who is it for
  • Regular vitamin C users
  • People preferring capsules over powder
  • Value-focused adults seeking a buffered form
Best for
  • Long-term vitamin C supplementation
  • Convenient dosing
  • People sensitive to acidic vitamin C

Pros

  • Substantial buffered vitamin C amount
  • Excellent supply value
  • No opaque blends

Cons

  • Adds sodium
  • Single-nutrient design
  • Capsules do not allow fine dose adjustment

Warnings

  • The 100 mg sodium contribution should be counted on strict sodium limits
  • Vitamin C may cause loose stools or stomach discomfort
  • People prone to oxalate kidney stones should discuss sustained high-dose use with a clinician

Nutrient quality

92 Highest impact

The ingredient form and serving amount provide solid nutritional support. The formula remains reasonably focused without obvious excessive dosing.

.

Ingredient transparency

89 Highest impact

Active amounts and ingredient names are mostly easy to assess. A complete inactive-ingredient list and full use directions are not included in the supplied facts.

.

Customer satisfaction

73 High impact

The aggregate rating is very strong supported by substantial review volume. No specific feedback is supplied to confirm recurring complaints or purpose-related experiences.

.

Value for money

97 Highest impact

The formula and supply provide strong practical value. Most of the cost appears directed toward the core active formula.

.
Report analysis

Goals

General Health
General Health
Impact
Highest effect
A Goal FitA Strength of SupportB CoverageA+ Formula Quality
Vitamin C · 850 mg

Buffered sodium ascorbate provides focused antioxidant, immune, collagen, and tissue support. The capsule clearly identifies both the vitamin C amount and its sodium contribution.

The non-acidic form may suit people who find plain ascorbic acid harsh, but the formula does not cover other foundational nutrient gaps. Its sodium contribution may matter to people following a tightly sodium-restricted diet.

Study evidence
Vitamin C Supportive 56 studies
Immunity
Immunity
Impact
Highest effect
B+ Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality
Vitamin C · 850 mg

Sodium ascorbate provides a substantial buffered vitamin C amount that may be gentler than plain ascorbic acid for some users. Vitamin C has established roles in collagen formation, antioxidant defense, and normal immune function.

The formula remains narrow and adds a modest sodium amount with every serving. People restricting sodium should count that contribution, while sustained high vitamin C intake may cause digestive upset or be unsuitable for those prone to oxalate kidney stones.

Study evidence
Vitamin C Supportive 53 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
C+ Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Vitamin C · 850 mg

Vitamin C provides meaningful antioxidant support that may help limit oxidative stress associated with inflammation. It does not directly target major inflammatory enzymes, so it works better as foundational support than as a broad standalone strategy.

The 850 mg buffered sodium ascorbate dose is clear, practical, and likely gentler on the stomach than plain ascorbic acid. Each capsule also supplies 100 mg sodium, which matters for people following a strict sodium restriction.

Study evidence
Vitamin C Supportive 50 studies
Vision Support
Vision Support
Impact
High effect
C+ Goal FitA- Strength of SupportD CoverageB Formula Quality
Vitamin C · 850 mg

850 mg of vitamin C provides substantial antioxidant support for the lens and other ocular tissues. An isolated vitamin C formula lacks the carotenoids, zinc, copper, and omega-3 fats used in more complete eye-support strategies.

Sodium ascorbate is clearly identified and 100 mg of sodium accompanies the buffered form.. The narrow formula is best viewed as foundational antioxidant support rather than comprehensive vision care.

Study evidence
Vitamin C Disputed 24 studies
Skin Health
Skin Health
Impact
High effect
C+ Goal FitA- Strength of SupportD+ CoverageB- Formula Quality
Vitamin C · 850 mg

850 mg of sodium ascorbate offers a well-disclosed collagen cofactor in a buffered form. Vitamin C may also support antioxidant defenses, but it does not directly supply collagen or moisture-barrier ingredients.

The dose is substantial and the sodium ascorbate form may be gentler than straight ascorbic acid. Skin support remains narrow because the formula has no ceramides, hyaluronic acid, or structural protein.

Study evidence
Vitamin C Supportive 53 studies

Ingredients

IngredientAmount per serving
Vitamin C (Sodium Ascorbate)
 850 mg
Sodium (Sodium Ascorbate)
 100 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Vitamin C (Sodium Ascorbate) · 850 mg OverallScore93
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Buffered sodium ascorbate supplies a well-targeted dose that may be easier on the stomach than plain ascorbic acid. The capsule clearly states its sodium contribution and offers excellent cost efficiency. People following strict sodium limits should include the 100 mg per serving in their daily total.

View ingredientView products
Sodium (Sodium Ascorbate) · 100 mg OverallScore64
D Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value

Sodium ascorbate provides only a small sodium amount and is designed mainly to deliver vitamin C. No supporting electrolytes or buffering minerals make it suitable for broader hydration. The very low serving cost is favorable, but athletic replenishment value is weak.

View ingredientView products
Loading alternative details
82 Performance

Liposomal Vitamin C 1000 mg

SunLipid
<p>Sodium ascorbate is paired with a phospholipid complex and MCT in a packet designed for liposomal delivery. Compared with the original sodium ascorbate formula, the buffered delivery and supporting compounds provide a more developed ingredient profile without a listed sodium contribution.</p>
86 Performance

Ester-C Plus 1000 mg Vitamin C

Solgar
<p>Buffered Ester-C supplies 1,000 mg vitamin C with 108 mg calcium and 200 mg citrus bioflavonoids. Compared with the original sodium ascorbate formula, the buffered delivery and supporting compounds provide a more developed ingredient profile without a listed sodium contribution.</p>
82 Performance

Meta-C 1000 mg Tablets

NutriBiotic Immunity
<p>Meta-C provides 1,000 mg vitamin C with calcium, named vitamin C metabolites, and spirulina. Compared with the original sodium ascorbate formula, the buffered delivery and supporting compounds provide a more developed ingredient profile without a listed sodium contribution.</p>
89 Budget

Pure Buffered Calcium Ascorbate

NOW
<p>Calcium ascorbate supplies 890 mg buffered vitamin C plus 100 mg calcium without a listed sodium contribution. Its lower serving cost improves everyday value compared with Sodium Ascorbate Capsules. It retains a buffered mineral-ascorbate form.</p>
88 Budget

Sodium Ascorbate

NutriBiotic Immunity
<p>Bulk sodium ascorbate supplies 1,100 mg vitamin C and 120 mg sodium per measured serving. Its lower serving cost improves everyday value compared with Sodium Ascorbate Capsules. It retains a buffered mineral-ascorbate form.</p>
85 Budget

Gold C Vitamin C 1000 mg

California Gold Nutrition
<p>A simple liquid serving supplies 1,000 mg vitamin C as unbuffered ascorbic acid. Its lower serving cost improves everyday value compared with Sodium Ascorbate Capsules. The trade-off is an unbuffered or less fully buffered form.</p>
89 Value

C-500 Calcium Ascorbate-C

NOW
<p>Calcium ascorbate provides a moderate 500 mg buffered vitamin C amount with calcium and a small bioflavonoid addition. The ingredient quality and favorable serving economy create a stronger quality-to-cost balance than Sodium Ascorbate Capsules. The buffered form supports practical use for people who prefer to avoid sodium ascorbate.</p>
88 Value

Buffered Gold C

California Gold Nutrition
<p>A simple liquid serving provides 1,000 mg vitamin C as sodium ascorbate with its sodium contribution clearly disclosed. The ingredient quality and favorable serving economy create a stronger quality-to-cost balance than Sodium Ascorbate Capsules. The buffered form supports practical use for people who prefer to avoid sodium ascorbate.</p>
84 Value

Ester-C 500 mg With Citrus Bioflavoinds

American Health
<p>Buffered Ester-C provides a substantial vitamin C amount with calcium and a disclosed citrus bioflavonoid complex. The ingredient quality and favorable serving economy create a stronger quality-to-cost balance than Sodium Ascorbate Capsules. The buffered form supports practical use for people who prefer to avoid sodium ascorbate.</p>
Report alternatives

Sources

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

  1. Efficacy of Vitamin C as Glucocorticoid Substitute for Reducing Pain and Inflammation After Total Hip Arthroplasty: A Randomized Controlled Trial.
    Jiang W; Xu H; Jiang X; Zhan Y; Ju Y; Xie J; Huang Z; Huang Q; Pei F · The Journal of bone and joint surgery. American volume · 2025
    Randomized trial107 participantsAnti-Inflammatory Support forVitamin C
  2. The Impact of Vitamin C on Analgesic, Anti-inflammatory, and Hemostatic Outcomes After Total Hip and Knee Arthroplasty: A Systematic Review and Meta-Analysis.
    Moftakhari Hajimirzaei S; Bagherzadeh Cham M; Dolikhani M; Tabatabaee SM; Ebrahimpour A · The archives of bone and joint surgery · 2026
    Meta-analysis1,162 participants10 studies pooledAnti-Inflammatory Support forVitamin C
  3. The impact of vitamin C supplementation on the perioperative outcomes after total hip and knee arthroplasty: a systematic review and meta-analysis.
    Liu X; Guo J; Li Y; Yang Y; Liu M; Gao Q; Yang Y; Wu X; Yue C · BMC musculoskeletal disorders · 2026
    Meta-analysis852 participants8 studies pooledAnti-Inflammatory Support forVitamin C
  4. Therapeutic Impact of Ascorbic Acid on Oral and Periodontal Tissues: A Systematic Literature Review.
    Ruzijevaite G; Acaite E; Jagelaviciene E · Medicina (Kaunas, Lithuania) · 2025
    Systematic review811 participants17 studies pooledAnti-Inflammatory Support forVitamin C
  5. Oral vitamin C administration reduces early recurrence rates after electrical cardioversion of persistent atrial fibrillation and attenuates associated inflammation.
    Korantzopoulos P; Kolettis TM; Kountouris E; Dimitroula V; Karanikis P; Pappa E; Siogas K; Goudevenos JA · International journal of cardiology · 2005
    Randomized trial44 participantsAnti-Inflammatory Support forVitamin C
  6. Dietary intake and blood concentrations of antioxidants and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies.
    Aune D; Keum N; Giovannucci E; Fadnes LT; Boffetta P; Greenwood DC; Tonstad S; Vatten LJ; Riboli E; Norat T · The American journal of clinical nutrition · 2019
    Meta-analysis69 studies pooledGeneral Health forVitamin C
  7. Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusGeneral Health forVitamin C
  8. Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
    Sotomayor CG; Eisenga MF; Gomes Neto AW; Ozyilmaz A; Gans ROB; Jong WHA; Zelle DM; Berger SP; Gaillard CAJM; Navis GJ; Bakker SJ · Nutrients · 2018
    Cohort study598 participantsGeneral Health forVitamin C
  9. Associations of Serum Biomarkers of Fruit and Vegetable Intake With the Risk of Cause-Specific Mortality and All-Cause Mortality: A National Prospective Cohort Study.
    Pu L; Zhang R; Wang X; Zhao T; Sun H; Han L · Frontiers in nutrition · 2022
    Cohort study12,530 participantsGeneral Health forVitamin C
  10. Relation between plasma ascorbic acid and mortality in men and women in EPIC-Norfolk prospective study: a prospective population study. European Prospective Investigation into Cancer and Nutrition.
    Khaw KT; Bingham S; Welch A; Luben R; Wareham N; Oakes S; Day N · Lancet (London, England) · 2001
    Cohort study19,496 participantsGeneral Health forVitamin C
  11. Vitamin C and contribution to the normal function of the immune system: evaluation of a health claim pursuant to Article 14 of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusImmunity forVitamin C
  12. Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
    Sun L; Zhao JH; Fan WY; Feng B; Liu WW; Chen RQ; Ban C; Dang AG; Wang M; Luo KT; Zhou GY; Yu FF; Ba Y · Nutrition reviews · 2024
    Meta-analysis2,334 participants14 studies pooledImmunity forVitamin C
  13. Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
    Abioye AI; Bromage S; Fawzi W · BMJ global health · 2021
    Meta-analysisImmunity forVitamin C
  14. New evidence for antioxidant properties of vitamin C.
    Vojdani A; Bazargan M; Vojdani E; Wright J · Cancer detection and prevention · 2001
    Randomized trial20 participantsImmunity forVitamin C
  15. Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.
    Calder PC; Kreider RB; McKay DL · Nutrients · 2025
    Systematic review13 studies pooledImmunity forVitamin C
  16. Evaluation of the anti-wrinkle effect of an ascorbic acid-loaded dissolving microneedle patch via a double-blind, placebo-controlled clinical study.
    Lee C; Yang H; Kim S; Kim M; Kang H; Kim N; An S; Koh J; Jung H · International journal of cosmetic science · 2017
    Randomized trial23 participantsSkin Health forVitamin C
  17. Comparative Study on the Outcome of Periorbital Wrinkles Treated with Laser-Assisted Delivery of Vitamin C or Vitamin C Plus Growth Factors: A Randomized, Double-blind, Clinical Trial.
    Machado BHB; Frame J; Zhang J; Najlah M · Aesthetic plastic surgery · 2021
    Randomized trial149 participantsSkin Health forVitamin C
  18. Randomized trial of topical ascorbic acid in DMSO versus imiquimod for the treatment of basal cell carcinoma.
    Burke B; Bailie JE · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
    Randomized trial25 participantsSkin Health forVitamin C
  19. Vitamin C improves healing of foot ulcers: a randomised, double-blind, placebo-controlled trial.
    Gunton JE; Girgis CM; Lau T; Vicaretti M; Begg L; Flood V · The British journal of nutrition · 2022
    Randomized trial16 participantsSkin Health forVitamin C
  20. Dietary nutrient intakes and skin-aging appearance among middle-aged American women.
    Cosgrove MC; Franco OH; Granger SP; Murray PG; Mayes AE · The American journal of clinical nutrition · 2007
    Cross-sectional study4,025 participantsSkin Health forVitamin C
  21. Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
    Mohan S; Sah K; Khattri M; Ahmad L; Sachan SK · Current eye research · 2021
    Randomized trial400 participantsVision Support forVitamin C
  22. Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
    Hysi PG; Khawaja AP; Menni C; Tamraz B; Wareham N; Khaw KT; Foster PJ; Benet LZ; Spector TD; Hammond CJ · Redox biology · 2019
    Observational studyVision Support forVitamin C
  23. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  24. Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan.
    Aoki A; Inoue M; Nguyen E; Obata R; Kadonosono K; Shinkai S; Hashimoto H; Sasaki S; Yanagi Y · Scientific reports · 2017
    Case-control study530 participantsVision Support forVitamin C
  25. Adherence to a Mediterranean diet, lifestyle and age-related macular degeneration: the Coimbra Eye Study - report 3.
    Raimundo M; Mira F; Cachulo MDL; Barreto P; Ribeiro L; Farinha C; Laíns I; Nunes S; Alves D; Figueira J; Merle BM; Delcourt C; Santos L; Silva R · Acta ophthalmologica · 2019
    Case-control study883 participantsVision Support forVitamin C