Liquid Vitamin C Natural Lemon Flavor

Liquid Vitamin C Natural Lemon Flavor

Nature's Answer4.8 (1,374 ratings)
Format:Liquid Quantity: 8 Liquid(s) · 16 servings
Goals
$10.49 $0.65 per serving

Product analysis

51 out of 100

Liquid Vitamin C Natural Lemon Flavor provides vitamin C to support normal immune function and help fill a dietary gap. Its cost is relatively high for the vitamin C it provides.

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

Nutrient Quality28

The vitamin C form is named, but the forms of the other ingredients are mostly unclear. Their absorption and quality therefore remain uncertain.

Ingredient Transparency67

Ingredient amounts are stated, which helps you check what a serving contains. Most ingredient forms are not identified, making closer comparisons harder.

Value For Money32

The serving cost is relatively high for the amount of vitamin C. The value of the added plant ingredients cannot be compared confidently.

Customer Satisfaction85

Customer ratings are very favorable across a substantial number of reviews. That gives the feedback a broad base, without proving health benefits.

Product Focus69

Vitamin C supports immune function and normal collagen formation, especially when intake is low. The added plant ingredients do not establish extra benefits for skin, eyes or inflammation.

Format
Liquid
Container
8 Liquid(s)
Per serving
$0.65
Customer rating
4.8 · 1,374 ratings
Report analysis

Goals

Impact
High effect
C Ingredient FitD PathwaysC+ EvidenceA+ Formulation Logic
Vitamin C · 1000 mg
Study evidence
Vitamin C Disputed 24 studies
Skin Health
Impact
High effect
C+ Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 1000 mgGreen Tea · 20 mg
Study evidence
Green Tea Supportive 37 studies
Vitamin C Supportive 53 studies
Immunity
Impact
High effect
B- Ingredient FitC PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 1000 mg
Study evidence
Green Tea Not classified 2 studies
Vitamin C Supportive 53 studies
Everyday Health
Impact
High effect
C Ingredient FitD+ PathwaysB- EvidenceA+ Formulation Logic
Vitamin C · 1000 mg
Study evidence
Vitamin C Supportive 56 studies
Impact
High effect
C+ Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Vitamin C · 1000 mgGreen Tea · 20 mg
Study evidence
Vitamin C Supportive 50 studies

Ingredients

IngredientAmount per servingScore
Calories
35 Calorie(s)
Total Carbohydrates
8 Gram(s)
Vitamin C (Ascorbic Acid)
1000 mg 52
Rose Hips fruit extract
500 mg
Citrus Bioflavonoid Complex
300 mg
Green Tea leaf extract
20 mg
Luo Han Guo extract
20 mg
Stevia leaf extract
8 mg
Gluten Free Adults 18–50
Report overview
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value
Each serving supplies 1000 mg of vitamin C, a substantial amount, and the cost per gram is high. It uses Ascorbic Acid.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

It uses Ascorbic Acid. Ascorbic Acid is an unbuffered acid.
Vitamin C Chemical Form & Delivery System
It uses Ascorbic Acid.
Gastric Comfort & pH Balance
Ascorbic Acid is an unbuffered acid.

Dose, Safety & Label Transparency91

Each serving provides 1000 mg of vitamin C. The amount is stated.
Optimal Dosage Targeting
Each serving provides 1000 mg of vitamin C, a substantial amount.
Purity & Excipient Quality
The available other-ingredient information shows no flagged sweeteners, artificial colors or preservatives.
Mineral & Source Transparency
The vitamin C amount and acid source are stated; an associated mineral amount is not needed.

Value20

The cost per gram of vitamin C is high.
Price per Gram of Vitamin C
The cost per gram of vitamin C is high.
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. Preventive effects of tea and tea catechins against influenza and acute upper respiratory tract infections: a systematic review and meta-analysis
    Mai Umeda, Takeichiro Tominaga, Kazuya Kozuma, Hidefumi Kitazawa, Daisuke Furushima, Masanobu Hibi, Hiroshi Yamada · European Journal of Nutrition · 2021
    Meta-analysis3,748 participants10 studies pooledImmunity forGreen Tea
  12. Prevention of Acute Upper Respiratory Infections by Consumption of Catechins in Healthcare Workers: A Randomized, Placebo-Controlled Trial
    Daisuke Furushima, Takuma Nishimura, Norikata Takuma, Ryo Iketani, Tomohito Mizuno, Yuji Matsui, Tohru Yamaguchi, Yu Nakashima, Shinji Yamamoto, Masanobu Hibi, Hiroshi Yamada · Nutrients · 2019
    Randomized trial255 participantsImmunity forGreen Tea
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. The effects of green tea on acne vulgaris: A systematic review and meta-analysis of randomized clinical trials.
    Kim S; Park TH; Kim WI; Park S; Kim JH; Cho MK · Phytotherapy research : PTR · 2021
    Meta-analysis247 participants5 studies pooledInflammation forGreen Tea
  19. Green Tea Catechin Association with Ultraviolet Radiation-Induced Erythema: A Systematic Review and Meta-Analysis.
    Kapoor MP; Sugita M; Fukuzawa Y; Timm D; Ozeki M; Okubo T · Molecules (Basel, Switzerland) · 2021
    Meta-analysis100 participants6 studies pooledInflammation Skin Health forGreen Tea
  20. Efficacy of (-)-epigallocatechin gallate delivered by a new-type scaler tip during scaling and root planing on chronic periodontitis: a split-mouth, randomized clinical trial.
    Wang Y; Zeng J; Yuan Q; Luan Q · BMC oral health · 2021
    Randomized trial20 participantsInflammation forGreen Tea