Product Image

Super C Complex

NaturesPlus
4.7
★ ★ ★ ★ ★
(12882 ratings)
Vitamin C 1000 mg
Rutin 100 mg
Acerola 50 mg
Flavonoid (mixture) 500 mg
Product Image
Score77
A substantial vitamin C and flavonoid formula with good rutin sourcing, balanced by unbuffered delivery, low acerola, and narrow pathway coverage.
How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
Immunity
Anti-Inflammatory Support
General Health
Skin Health

Score 77

A substantial vitamin C and flavonoid formula with good rutin sourcing, balanced by unbuffered delivery, low acerola, and narrow pathway coverage.
How scoring works
$19.51($0.32 per serving)
iHerb
$ 19.51
iHerb
$ 19.51
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Analysis

A substantial vitamin C amount provides focused antioxidant, collagen, and normal immune support. Citrus bioflavonoids, rutin, and hesperidin are present at meaningful weights and extend the formula beyond a basic vitamin tablet.

Sophora japonica identifies a preferred source for rutin, although purity is not stated. Acerola remains a small, unstandardized addition, and ordinary ascorbic acid lacks the digestive advantages of a buffered form.

The sustained-release tablet is best suited to users who want a strong vitamin C and flavonoid combination. Its ingredients mostly reinforce one antioxidant pathway and do not provide comprehensive vision, skin hydration, or inflammatory-lipid coverage.

Who is it for
  • Adults wanting high-potency vitamin C
  • Users seeking meaningful citrus flavonoids
  • People who tolerate standard ascorbic acid
Best for
  • Focused immune nutrition
  • Antioxidant support
  • Normal collagen production

Pros

  • Substantial vitamin C amount
  • Meaningful flavonoid weights
  • Rutin source is identified

Cons

  • Vitamin C is unbuffered
  • Acerola amount is low and unstandardized
  • Overlapping flavonoids add limited pathway breadth

Warnings

  • The high ascorbic acid amount may cause stomach upset or diarrhea
  • People prone to oxalate kidney stones should seek individualized guidance before long-term use
  • Avoid unnecessary duplication with other high-dose vitamin C products

Nutrient quality

85 Highest impact

Sustained release improves delivery, but the main ascorbic acid is unbuffered. Vitamin C and bioflavonoids are substantial, while rutin and hesperidin provide useful support.

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Ingredient transparency

79 High impact

Every listed active has a specific amount. The supplied data does not include a complete inactive ingredient list.

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Customer satisfaction

71 High impact

The aggregate satisfaction measure is strong enough to support a favorable first impression. Missing feedback themes leave repeat complaints and purpose fit uncertain despite adequate volume.

.

Value for money

72 High impact

The price is reasonable for sustained release and broad flavonoid support. Each serving provides fair value for the active depth.

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Goals

Immunity
Immunity
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB+ CoverageA Formula Quality
Vitamin C · 1000 mg

A 1,000 mg vitamin C serving directly supports immune-cell function, antioxidant protection, and epithelial barriers. Sustained release and citrus flavonoids adds useful formulation context around the core dose.

The formula provides strong depth for one major immune pathway rather than broad cellular and mucosal coverage. Its supporting flavonoids are relevant, although their specific immune contribution is less certain than vitamin C.

Study evidence
Vitamin C Supportive 53 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
Highest effect
B- Goal FitB+ Strength of SupportB+ CoverageB+ Formula Quality
Vitamin C · 1000 mg

Vitamin C, citrus bioflavonoids, rutin, and hesperidin provide broad antioxidant and vascular-signaling support. The flavonoid amounts are more substantial than token additions, although direct systemic anti-inflammatory evidence remains moderate.

All main actives are individually disclosed, and their roles are complementary. The formula has useful antioxidant breadth but does not match the direct inflammatory-mediator effects of omega-3 fats or curcumin.

Study evidence
Rutin Supportive 6 studies
Vitamin C Supportive 50 studies
General Health
General Health
Impact
High effect
B Goal FitA- Strength of SupportC CoverageB Formula Quality
Vitamin C · 1000 mg

The formula pairs a substantial vitamin C amount with citrus flavonoids, rutin, rose hips, and acerola for focused antioxidant support. Vitamin C provides the strongest established contribution, while the supporting compounds may broaden antioxidant activity.

Several secondary ingredients have less certain general-health value than the core vitamin. The vitamin C amount may cause stomach upset or diarrhea, and sustained high intake may be unsuitable for people prone to oxalate kidney stones.

Study evidence
Vitamin C Supportive 56 studies
Skin Health
Skin Health
Impact
High effect
C- Goal FitB+ Strength of SupportC- CoverageB+ Formula Quality
Vitamin C · 1000 mg

Vitamin C directly supports normal collagen formation, while citrus bioflavonoids, rutin, and hesperidin add related antioxidant compounds. The vitamin C amount and major flavonoid weights are substantial.

The formula still does not provide collagen, ceramides, hyaluronic acid, or barrier lipids. Several overlapping flavonoids add limited pathway breadth because they largely serve the same antioxidant role.

Study evidence
Vitamin C Supportive 53 studies
Vision Support
Vision Support
Impact
Moderate effect
D Goal FitB+ Strength of SupportD CoverageC+ Formula Quality
Vitamin C · 1000 mg

Vitamin C supports antioxidant defenses in ocular tissues, while rutin and citrus flavonoids provide secondary vascular and antioxidant support. The formula lacks macular carotenoids, zinc, copper, vitamin E, and omega-3 structural lipids.

All major amounts are clearly disclosed and vitamin C is supplied generously. Repeated flavonoid ingredients broaden one antioxidant pathway rather than creating comprehensive vision support.

Study evidence
Rutin Not classified 1 study
Vitamin C Disputed 24 studies

Ingredients

IngredientAmount per serving
Vitamin C (Ascorbic Acid)
 1000 mg
Bioflavonoid Complex (Citrus)
 500 mg
Rutin (Sophora japonica)
 100 mg
Hesperidin Complex (Citrus sinensis)
 100 mg
Rose Hips
100 mg
Acerola
50 mg
Gluten Free Adults 18–50 No Allergies Vegetarian
Report overview
Vitamin C (Ascorbic Acid) · 1000 mg OverallScore71
C Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyD+ Value

The 1,000 mg dose combines sustained release with a broad citrus bioflavonoid blend. Slower release improves delivery compared with a standard tablet, though the active remains unbuffered ascorbic acid. Value is average, and the label does not provide the complete tablet excipient profile.

View ingredientView products
Rutin (Sophora japonica) · 100 mg OverallScore70
B- Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyB Value

Sophora japonica gives the rutin a clearly preferred botanical source. The exact amount offers moderate support, although it remains below the targeted range and lacks purity details. Cost efficiency is good for the rutin supplied within the broader vitamin C formula.

View ingredientView products
Acerola · 50 mg OverallScore26
F Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyF Value

Acerola is present without a concentration ratio, vitamin C yield, scientific name, or plant-part detail. Synthetic ascorbic acid dominates the formula, leaving acerola as a secondary addition. The 50 mg amount is low and delivers poor value when judged specifically for acerola.

View ingredientView products
Loading alternative details
86 Performance

C

Swanson
Fully buffered calcium ascorbate with citrus bioflavonoids provides a clear, well-dosed core with good stomach-comfort potential. The focused formula is easier to evaluate than the original’s rutin, hesperidin, rose hips, and a large bioflavonoid complex, although it offers less ingredient variety.
86 Performance

Ester-C Plus 1000 mg Vitamin C

Solgar
High-potency buffered vitamin C and a meaningful citrus bioflavonoid amount improve form quality and formula focus. It addresses the original’s unbuffered delivery and modest acerola, but complete excipient and usage details remain unavailable.
87 Performance

Ester-C with Citrus Bioflavonoids

American Health
Buffered Ester-C and a substantial citrus bioflavonoid amount create a more coherent antioxidant formula. The long supply strengthens practicality compared with Super C Complex, while inactive ingredients and full directions are not shown.
80 Budget

Ultra C Formula

Swanson Premium Brand
A very low serving cost makes a practical ascorbic acid amount a more economical option than Super C Complex. It shares the original’s unbuffered delivery, while its tiny botanical additions add little.
84 Budget

Ester-C 500 mg With Citrus Bioflavoinds

American Health
Low serving cost combines buffered Ester-C with citrus bioflavonoids, offering stronger value than Super C Complex. Buffered delivery may be gentler than the original unbuffered ascorbic acid.
84 Budget

Ester-C 24 Hour Immune Support 1000 mg

NatureSmart
A low-cost serving provides substantial buffered Ester-C with a compatible citrus bioflavonoid complex. It offers clearer core value than the original’s unbuffered delivery and modest acerola, though complete excipient details are not supplied.
82 Value

Buffered C-1000 Complex

NOW
A substantial buffered vitamin C amount and meaningful citrus bioflavonoids provide stronger ingredient depth at favorable serving value. Acerola and rutin remain secondary, and the high vitamin C amount may cause digestive upset in sensitive users.
83 Value

Ester-C plus 500 mg Vitamin C

Solgar
Buffered Ester-C offers a practical daily amount with small, clearly disclosed botanical and flavonoid additions at strong value. The lower vitamin C amount is a trade-off, but the active and supporting amounts are clearly disclosed.
79 Value

Buffered Vitamin C 500 mg

Bluebonnet
Buffered calcium ascorbate and a meaningful citrus bioflavonoid amount offer a balanced combination of comfort, disclosure, and value. Its vitamin C amount is lower than the original’s, and rutin remains a minor addition.
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Sources

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

  1. Mortality in randomized trials of antioxidant supplements for primary and secondary prevention: systematic review and meta-analysis.
    Bjelakovic G; Nikolova D; Gluud LL; Simonetti RG; Gluud C · JAMA · 2007
    Meta-analysis232,606 participants68 studies pooledGeneral Health forVitamin C
  2. Vitamin C intake and multiple health outcomes: an umbrella review of systematic reviews and meta-analyses.
    Xu K; Peng R; Zou Y; Jiang X; Sun Q; Song C · International journal of food sciences and nutrition · 2022
    Meta-analysis76 studies pooledGeneral Health forVitamin C
  3. Vitamin C supplementation in kidney failure: effect on uraemic symptoms.
    Singer RF · Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association · 2011
    Randomized trial99 participantsGeneral Health forVitamin C
  4. 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
  5. 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
  6. 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
  7. 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
  8. Double-blind, half-face study comparing topical vitamin C and vehicle for rejuvenation of photodamage.
    Fitzpatrick RE; Rostan EF · Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 2002
    Non-randomized trial10 participantsSkin Health forVitamin C
  9. Vitamin C and postoperative outcomes following mandibular third molar extraction: a randomized split-mouth study.
    Demirel M; Aktas A; Kizil M; Yalcin N · Oral surgery, oral medicine, oral pathology and oral radiology · 2026
    Randomized trial56 participantsSkin Health forVitamin C
  10. The effects of rutin flavonoid supplement on glycemic status, lipid profile, atherogenic index of plasma, brain-derived neurotrophic factor (BDNF), some serum inflammatory, and oxidative stress factors in patients with type 2 diabetes mellitus: A double-blind, placebo-controlled trial.
    Bazyar H; Moradi L; Zaman F; Zare Javid A · Phytotherapy research : PTR · 2023
    Randomized trial50 participantsAnti-Inflammatory Support forRutin
  11. Rutin ameliorates inflammation and improves metabolic function: A comprehensive analysis of scientific literature.
    Muvhulawa N; Dludla PV; Ziqubu K; Mthembu SXH; Mthiyane F; Nkambule BB; Mazibuko-Mbeje SE · Pharmacological research · 2022
    Systematic reviewAnti-Inflammatory Support forRutin
  12. Rutin-loaded chitosan microspheres: Characterization and evaluation of the anti-inflammatory activity.
    Cosco D; Failla P; Costa N; Pullano S; Fiorillo A; Mollace V; Fresta M; Paolino D · Carbohydrate polymers · 2018
    OtherAnti-Inflammatory Support forRutin
  13. Oral enzyme combination therapy reduces systemic inflammation, urinary CTXII and pain in knee osteoarthritis: a proof-of-mechanism, randomised, crossover, double-blind, placebo-controlled trial.
    Henrotin Y; Pap T; Lieten S; Badot V; Dubuc JE; Urbin-Choffray D; von Eynatten M; Johansen OE; Rau S; Brabants K · RMD open · 2025
    Randomized trial45 participantsAnti-Inflammatory Support forRutin
  14. The Impact of the Combination of Proteolytic Enzyme and Rutin on the Post-operative Management of Inflammation: A Randomized, Controlled, Double-Blind, Comparative Clinical Trial
    Rathi PC, Rathi CL, Risbud SP, Ganu GP · Cureus · 2024
    Randomized trial65 participantsAnti-Inflammatory Support forRutin
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. A randomized, double-masked study on the treatment of retinal vein occlusion with troxerutin
    Glacet-Bernard A, Coscas G, Chabanel A, Zourdani A, Lelong F, Samama MM · American Journal of Ophthalmology · 1994
    Randomized trial53 participantsVision Support forRutin
  33. 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
  34. 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
  35. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewVision Support forVitamin C
  36. 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
  37. 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