Liquid Vitamin C 1000 mg Natural Citrus Flavors

Liquid Vitamin C 1000 mg Natural Citrus Flavors

Dynamic Health4.6 (2,069 ratings)
Format:Liquid Quantity: 16 Fluid Ounce(s) · 32 servings
Goals

Product analysis

52 out of 100

Liquid Vitamin C 1000 mg Natural Citrus Flavors may help fill a dietary gap and support normal immune and collagen functions. The vitamin C form is unspecified, making the preparation harder to compare with alternatives.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The unspecified vitamin C form limits a confident quality judgment. The other listed entries also lack enough detail to clarify the preparation.

Ingredient Transparency63

Amounts are stated, but the ingredient forms are not identified. Differing serving declarations should not be added together to estimate a larger total.

Value For Money48

The vitamin C content offers middling value in the available price comparison. A missing carbohydrate comparison leaves the value of that contribution uncertain.

Customer Satisfaction84

Customer ratings are very positive across a large review pool. The volume gives a broad picture of satisfaction without proving the intended benefits.

Product Focus79

The main purpose is nutritional support for immune function, antioxidant activity and collagen formation. Benefits are most relevant when intake is low, without establishing added cosmetic or everyday vision benefits once needs are met.

Format
Liquid
Container
16 Fluid Ounce(s)
Per serving
$0.41
Customer rating
4.6 · 2,069 ratings
Report analysis

Goals

Impact
High effect
A Ingredient FitD PathwaysC+ EvidenceA+ Formulation Logic
Vitamin C · 6660 mg
Study evidence
Vitamin C Disputed 24 studies
Impact
Highest effect
A Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Vitamin C · 6660 mg
Study evidence
Vitamin C Supportive 50 studies
Immunity
Impact
Highest effect
A Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 6660 mg
Study evidence
Vitamin C Supportive 53 studies
Skin Health
Impact
High effect
A Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 6660 mg
Study evidence
Vitamin C Supportive 53 studies
Everyday Health
Impact
High effect
A Ingredient FitD+ PathwaysB- EvidenceA+ Formulation Logic
Vitamin C · 6660 mg
Study evidence
Vitamin C Supportive 56 studies

Ingredients

IngredientAmount per servingScore
Calories
70 Calorie(s)
Total Carbohydrates
18 Gram(s)
Vitamin C
6660 mg 50
Gluten Free Adults 18–50 Kosher Halal Vegetarian
Report overview
Vitamin C · 6660 mg OverallScore50
F Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyD+ Value
The serving supplies 1000 mg of vitamin C at a moderate estimated cost per gram. Ascorbic acid appears in Other Ingredients, while the vitamin C row does not name a source. Artificial colors are listed.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

Ascorbic acid appears in Other Ingredients, but the vitamin C row does not name a source.
Vitamin C Chemical Form & Delivery System
Ascorbic acid appears in Other Ingredients, but the vitamin C row does not name a source.
Gastric Comfort & pH Balance
Ascorbic acid in Other Ingredients is unbuffered; the vitamin C row does not specify a source.

Dose, Safety & Label Transparency70

The serving provides 1000 mg of vitamin C. Artificial colors are listed.
Optimal Dosage Targeting
Each serving provides 1000 mg of vitamin C.
Purity & Excipient Quality
Artificial colors are listed among the other ingredients.
Mineral & Source Transparency
The amount is stated, but the vitamin C row does not name a source; ascorbic acid appears in Other Ingredients.

Value50

The estimated cost per gram of vitamin C is moderate; it assigns the full serving price to vitamin C.
Price per Gram of Vitamin C
The estimated cost per gram of vitamin C is moderate; it assigns the full serving price to vitamin C.
Report alternatives

Sources

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

  1. 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 pooledEveryday Health forVitamin C
  2. 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 / consensusEveryday Health forVitamin C
  3. 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 participantsEveryday Health forVitamin C
  4. 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 participantsEveryday Health forVitamin C
  5. 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 participantsEveryday Health forVitamin C
  6. 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 participantsEye Health forVitamin C
  7. 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 studyEye Health forVitamin C
  8. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewEye Health forVitamin C
  9. 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 participantsEye Health forVitamin C
  10. 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 participantsEye 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. 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 participantsInflammation forVitamin C
  17. 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 pooledInflammation forVitamin C
  18. 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 pooledInflammation forVitamin C
  19. 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 pooledInflammation forVitamin C
  20. 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 participantsInflammation forVitamin C