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U-Cubes Children's Vitamin C Gummies

4.8
★ ★ ★ ★ ★
(2882 ratings)
Vitamin C 500 mg
Product Image
Score69
A child-friendly gummy with age-adjusted directions and a useful active amount. Added sugar, low serving count, and poor vitamin C value are substantial drawbacks.
How scoring works
Gummy
Quantity:90 Gummy(ies) • (22 servings)
Goals:
Immunity
General Health

Score 69

A child-friendly gummy with age-adjusted directions and a useful active amount. Added sugar, low serving count, and poor vitamin C value are substantial drawbacks.
How scoring works
$10.04($0.45 per serving)
Vitacost
$ 14.19
iHerb
$ 10.04
Pure Formulas
$ 10.64
Daily Vita
$ 11.71
Report prices

Analysis

The label provides different vitamin C amounts for younger and older children, supporting practical age-based use. Ascorbic acid covers antioxidant and immune roles, but the formula does not include buffering or broader nutritional support.

Gummy delivery can help children who refuse tablets or liquids. The larger serving brings 5 g of added sugar, which materially changes the daily-use trade-off and increases contact with the teeth.

The low serving count makes the product comparatively expensive for the vitamin C supplied. Parents prioritizing lower sugar or longer-term value have stronger alternatives in powders, liquids, or chewable tablets.

Who is it for
  • Children who struggle with tablets or liquids
  • Families prioritizing ease of use
  • Parents needing an age-adjustable gummy format
Best for
  • Occasional child-friendly vitamin C use
  • Supporting normal immune function
  • Improving supplement acceptance

Pros

  • Age-adjusted serving information
  • Easy-to-take gummy format
  • Clearly labeled vitamin C amounts

Cons

  • Larger serving contains 5 g of added sugar
  • Low number of servings per container
  • No buffering or enhanced delivery

Warnings

  • The added sugar and gummy texture can increase tooth exposure; routine dental care and rinsing matter.
  • The older-child serving contains a relatively high amount of ascorbic acid and may upset a sensitive stomach.
  • Children should use only the age-appropriate serving rather than treating the gummies like candy.

Nutrient quality

72 High impact

Ascorbic acid is established, but the gummy offers no stated buffering or stabilization advantage. Age-scaled servings provide meaningful vitamin C amounts, though the largest serving requires several gummies.

Ingredient transparency

86 Highest impact

All listed active amounts are disclosed without a proprietary blend. Complete directions and inactive-ingredient details remain incomplete.

Customer satisfaction

73 High impact

The aggregate rating and its volume provide a favorable top-level signal. Missing experience details prevent assessment of repeated complaints or purpose-specific satisfaction.

Value for money

39 Lower impact

Added sugar and a relatively costly effective serving weaken value. Comparable products can provide similar vitamin C support more efficiently.

Report analysis

Goals

Immunity
Immunity
Impact
High effect
A Goal FitB- Strength of SupportC- CoverageC+ Formula Quality
Vitamin C · 500 mg

Age-adjusted vitamin C servings provide direct antioxidant and immune-cell support for children. The older-child serving reaches the stated immune target, while the younger-child serving provides half that amount.

Plain ascorbic acid has no buffering or special stabilization, and the larger serving contains substantial added sugar. Convenience is the main strength beyond vitamin C itself, while broad immune coverage is absent.

Study evidence
Vitamin C Supportive 53 studies
General Health
General Health
Impact
High effect
B+ Goal FitB Strength of SupportD+ CoverageC Formula Quality
Vitamin C · 500 mg

Vitamin C offers focused antioxidant, immune, and collagen support for children. The age-based directions provide substantial amounts of the nutrient.

Ordinary unbuffered ascorbic acid has no special delivery advantage. The larger gummy serving also adds 5 g of sugar, weakening the formula's fit for routine wellness.

Study evidence
Vitamin C Supportive 56 studies
Anti-Inflammatory Support
Cellular Defense
Anti-Inflammatory Support
Impact
Moderate effect
C- Goal FitC Strength of SupportF CoverageB- Formula Quality
Vitamin C · 500 mg

Vitamin C provides age-adjusted antioxidant support, but it remains an indirect anti-inflammatory option. The larger serving supplies a useful amount alongside notable added sugar.

The gummy format favors convenience over formulation depth. Its single-pathway focus and added sugar make it less compelling for sustained anti-inflammatory support.

Study evidence
Vitamin C Supportive 50 studies
Skin Health
Skin Health
Impact
Moderate effect
D+ Goal FitB Strength of SupportF CoverageC Formula Quality
Vitamin C · 500 mg

Vitamin C supports collagen synthesis and antioxidant defense in an age-specific gummy format. It does not address hydration, barrier lipids, or structural protein intake.

The vitamin amount is substantial and clearly tied to two serving options. Added sugar and the narrow single-nutrient design limit its value as a skin-focused product.

Study evidence
Vitamin C Supportive 53 studies
Vision Support
Macular and Blue Light Defense
Vision Support
Impact
Moderate effect
D Goal FitD+ Strength of SupportD CoverageC+ Formula Quality
Vitamin C · 500 mg

Vitamin C offers only a limited connection to focused eye health. The supplied amounts do not establish strong targeted support.

Coverage is concentrated on ocular antioxidant defense. The focused design leaves major macular, retinal, or antioxidant pathways uncovered.

Study evidence
Vitamin C Disputed 24 studies

Ingredients

IngredientAmount per serving
Calories
30 Calorie(s)
Total Carbohydrates
7 Gram(s)
Added Sugars
5 Gram(s)
Vitamin C (Ascorbic Acid)
 500 mg
Sodium
20 mg
Gluten Free Vegan Dairy Free Children 4+ Children 1–4 Vegetarian
Report overview
Vitamin C (Ascorbic Acid) · 500 mg OverallScore42
F Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyF Value

The four-gummy serving supplies 500 mg of vitamin C for older children, while the younger-child serving provides a lower amount. The gummy format lacks disclosed stabilization and includes 5 g of added sugar in the larger serving. High sugar exposure and weak vitamin C cost efficiency make convenience the main advantage.

View ingredientView products
Loading alternative details
89 Performance

C-500 Calcium Ascorbate-C

NOW
The buffered vitamin C form may be easier to tolerate than the original plain ascorbic acid formula. Its 500 mg of calcium ascorbate is buffered and includes 55 mg of calcium; the 10 mg bioflavonoid addition is modest.
88 Performance

Buffered Gold C

California Gold Nutrition
The buffered vitamin C form may be easier to tolerate than the original plain ascorbic acid formula. Its 1,000 mg of sodium ascorbate is buffered and simply formulated, with 130 mg of sodium clearly disclosed.
88 Performance

Sodium Ascorbate Capsules

NutriBiotic Immunity
The buffered vitamin C form may be easier to tolerate than the original plain ascorbic acid formula. Its capsules provide 850 mg of buffered sodium ascorbate with a clearly disclosed 100 mg sodium contribution.
85 Budget

C-500 With Rose Hips

NOW
The supplied serving-cost data indicates a less expensive way to obtain a comparable vitamin C serving. Compared with the original plain ascorbic acid formula, it supplies 500 mg of ascorbic acid with 40 mg of rose hips, although the vitamin C remains unbuffered.
83 Budget

C 500 mg

21st Century
The supplied serving-cost data indicates a less expensive way to obtain a comparable vitamin C serving. Compared with the original plain ascorbic acid formula, it supplies 500 mg of ascorbic acid with 30 mg of calcium in a basic, clearly dosed formula.
85 Budget

Gold C Vitamin C 1000 mg

California Gold Nutrition
The supplied serving-cost data indicates a less expensive way to obtain a comparable vitamin C serving. Compared with the original plain ascorbic acid formula, it supplies 1,000 mg of plain ascorbic acid without extra actives, favoring simplicity rather than buffering.
87 Value

100% Pure Vitamin C Powder

Swanson Premium Brand
The combination of a focused ingredient list and efficient supply makes it a stronger value candidate than the original plain ascorbic acid formula. Its powder provides 1,000 mg of ascorbic acid with flexible measuring, though the acidic form may not suit every user.
87 Value

C 500 mg

Mason Natural
The combination of a focused ingredient list and efficient supply makes it a stronger value candidate than the original plain ascorbic acid formula. Its single active is 500 mg of ascorbic acid, making the label easy to assess despite the lack of buffering.
88 Value

Sodium Ascorbate

NutriBiotic Immunity
The combination of a focused ingredient list and efficient supply makes it a stronger value candidate than the original plain ascorbic acid formula. Its 1,100 mg of sodium ascorbate is fully buffered, but the disclosed 120 mg of sodium matters for sodium-restricted users.
Report alternatives

Sources

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

  1. 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
  2. Effect of Vitamin C Supplements on Respiratory Tract Infections: A Systematic Review and Meta-Analysis.
    Keya TA; Leela A; Fernandez K; Habib N; Rashid M · Current reviews in clinical and experimental pharmacology · 2022
    Meta-analysis10 studies pooledImmunity forVitamin C
  3. The effect of macronutrient and micronutrient supplements on COVID-19: an umbrella review.
    SeyedAlinaghi S; Shahidi R; Mojdeganlou H; Akhtaran FK; Maroufi SF; Maroufi SP; Mirzapour P; Karimi A; Khodaei S; Pour MM; Mehraeen E; Dadras O · Journal of health, population, and nutrition · 2024
    Systematic review28 studies pooledImmunity forVitamin C
  4. Vitamin C supplementation and salivary immune function following exercise-heat stress.
    Carrillo AE; Murphy RJ; Cheung SS · International journal of sports physiology and performance · 2009
    Randomized trial12 participantsImmunity forVitamin C
  5. 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
  6. 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
  7. A High Vitamin C Micronutrient Supplement Is Unable to Attenuate Inflammation in People with Metabolic Syndrome but May Improve Metabolic Health Indices: A Randomised Controlled Trial.
    Vlasiuk E; Zawari M; Whitehead R; Williman J; Carr AC · Antioxidants (Basel, Switzerland) · 2024
    Randomized trial72 participantsAnti-Inflammatory Support forVitamin C
  8. Vitamin C supplementation and C-reactive protein levels: Findings from a systematic review and meta-analysis of clinical trials.
    Safabakhsh M; Emami MR; Zeinali Khosroshahi M; Asbaghi O; Khodayari S; Khorshidi M; Alizadeh S; Viri EH · Journal of complementary & integrative medicine · 2024
    Meta-analysis818 participants11 studies pooledAnti-Inflammatory Support forVitamin C
  9. Effects of vitamin C on oxidative stress, inflammation, muscle soreness, and strength following acute exercise: meta-analyses of randomized clinical trials.
    Righi NC; Schuch FB; De Nardi AT; Pippi CM; de Almeida Righi G; Puntel GO; da Silva AMV; Signori LU · European journal of nutrition · 2021
    Meta-analysis313 participants18 studies pooledAnti-Inflammatory Support forVitamin C
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  30. 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
  31. 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