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Liquid Vitamin C Natural Lemon Flavor

4.8
★ ★ ★ ★ ★
(1374 ratings)
Vitamin C 1000 mg
Flavonoid (mixture) 300 mg
Product Image
Score72
A useful pill-free vitamin C option includes rose hips and bioflavonoids, but acidity, sweeteners, and limited servings weaken daily value.
How scoring works
Liquid
Quantity:8 Liquid(s) • (16 servings)
Goals:
Vision Support
Skin Health
Immunity
General Health
Anti-Inflammatory Support

Score 72

A useful pill-free vitamin C option includes rose hips and bioflavonoids, but acidity, sweeteners, and limited servings weaken daily value.
How scoring works
$10.49($0.65 per serving)
iHerb
$ 10.49
Vitacost
$ 10.49
Pure Formulas
$ 10.49
Report prices

Analysis

The liquid format is the main practical advantage for users who dislike tablets or capsules. A substantial ascorbic acid amount is paired with rose hips and citrus bioflavonoids for broader antioxidant coverage.

Plain ascorbic acid is unbuffered and may be harder on a sensitive stomach than mineral ascorbates. The serving also contains carbohydrate and several sweetening ingredients, so it is less minimal than a powder or capsule.

Green tea extract appears only in a small amount without active-marker disclosure, so it should not drive the purchase. The short supply and need to protect teeth from repeated acidic exposure are more meaningful considerations.

Who is it for
  • People who cannot swallow pills
  • Users wanting liquid vitamin C
  • Adults who value rose hips and bioflavonoids
Best for
  • Short-term liquid supplementation
  • Immune and antioxidant support
  • Flexible serving use

Pros

  • Pill-free liquid format
  • Substantial vitamin C amount
  • Rose hips and citrus bioflavonoids are clearly dosed
  • Natural lemon flavor profile

Cons

  • Unbuffered ascorbic acid
  • Contains carbohydrate and multiple sweeteners
  • Only a short supply
  • Green tea extract lacks standardization detail

Warnings

  • The acidic liquid may contribute to tooth enamel wear; swallow it promptly and rinse the mouth with water afterward.
  • The full serving may cause stomach discomfort or loose stools in sensitive users because it supplies a substantial amount of unbuffered ascorbic acid.

Nutrient quality

76 High impact

Ascorbic acid is effective but lacks the buffering of mineral ascorbates. Vitamin C and rose hips are meaningfully dosed, while green tea and sweetener extracts are small.

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Ingredient transparency

77 High impact

All listed actives and macronutrients have stated amounts. Flavoring and full excipient details are not available in the supplied data.

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Customer satisfaction

77 High impact

The average rating is very strong. The large rating volume provides a reliable satisfaction signal.

.

Value for money

55 Moderate impact

A short bottle life weakens serving value. Added carbohydrate and tiny secondary extracts provide limited extra value.

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Report analysis

Goals

Vision Support
Vision Support
Impact
Highest effect
B+ Goal FitA+ Strength of SupportC- CoverageA+ Formula Quality
Vitamin C · 1000 mg

Natural astaxanthin provides targeted retinal antioxidant support and may help eye strain linked to prolonged screen use. Human evidence is promising for visual fatigue but less comprehensive than multi-nutrient macular formulas.

The algae source and substantial amount are clearly disclosed in a fat-containing softgel. The focused formula offers strong antioxidant depth but does not cover macular pigments, minerals, or omega fatty acids.

Skin Health
Skin Health
Impact
High effect
A- Goal FitB Strength of SupportC+ CoverageB- Formula Quality
Vitamin C · 1000 mgGreen Tea · 20 mg

Vitamin C supports collagen synthesis and antioxidant protection, giving the liquid clear skin relevance. Human evidence for its cofactor role is strong, while the added botanicals provide less certain skin value.

The vitamin C amount is substantial, but plain acidic ascorbic acid lacks buffering or enhanced delivery. The sweetened liquid adds a notable carbohydrate load, and frequent contact with the acidic drink may contribute to tooth enamel wear.

Study evidence
Green Tea Supportive 37 studies
Vitamin C Supportive 53 studies
Immunity
Immunity
Impact
High effect
A Goal FitC Strength of SupportC CoverageB+ Formula Quality
Vitamin C · 1000 mg

Vitamin C supports foundational antioxidant defenses, collagen formation, and normal immune function. The formula supports antioxidant, collagen, and immune pathways but does not fill a broad range of nutrient gaps.

The label presents a substantial 1,000 mg vitamin C serving suited to focused antioxidant support. Ascorbic acid is clearly identified, but the botanical additions do not establish enhanced absorption or buffering.

Study evidence
Vitamin C Supportive 53 studies
General Health
General Health
Impact
High effect
B+ Goal FitB Strength of SupportC CoverageC Formula Quality
Vitamin C · 1000 mg

The liquid provides a substantial vitamin C amount with rose hips and citrus bioflavonoids for related antioxidant and connective-tissue support. Plain ascorbic acid lacks buffering or a stabilized delivery system, and the formula includes a sizable carbohydrate load plus several sweetening ingredients.

Its acidic liquid can irritate a sensitive stomach and frequent tooth contact may contribute to enamel wear, so prompt swallowing and rinsing with water are practical. Botanical additions broaden the label more than they broaden the core health contribution.

Study evidence
Vitamin C Supportive 56 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
C+ Goal FitB Strength of SupportC- CoverageC+ Formula Quality
Vitamin C · 1000 mgGreen Tea · 20 mg

The full-gram vitamin C dose provides substantial antioxidant support, with rose hips and citrus bioflavonoids adding related plant compounds. Generic unbuffered ascorbic acid in an unstabilized liquid offers limited form advantages.

The formula mainly addresses oxidative stress and does not provide strong direct inflammatory-pathway coverage. Frequent exposure to the acidic liquid may contribute to tooth enamel wear, so swallowing promptly and rinsing with water is sensible.

Study evidence
Green Tea Mixed 16 studies
Vitamin C Supportive 50 studies

Ingredients

IngredientAmount per serving
Calories
35 Calorie(s)
Total Carbohydrates
8 Gram(s)
Vitamin C (Ascorbic Acid)
 1000 mg
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
Vitamin C (Ascorbic Acid) · 1000 mg OverallScore39
F Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyF Value

The 1,000 mg dose is well targeted, but generic ascorbic acid in an unstabilized liquid offers no advanced delivery advantage. The unbuffered form may be harder on a sensitive stomach, and the carbohydrate and sweetener content makes the formula less minimal. Frequent contact with the acidic liquid may contribute to tooth enamel wear, so it is sensible to swallow it promptly and rinse the mouth with water.

View ingredientView products
Loading alternative details
89 Performance

C-500 Calcium Ascorbate-C

NOW
<p>The ingredient profile makes it a stronger quality-focused alternative for the same vitamin C goals. Buffered calcium ascorbate delivers a practical vitamin C amount with clear mineral disclosure and exceptional relative value. The small bioflavonoid addition is unlikely to contribute much but does not undermine the strong core formula.</p>
86 Performance

C

Swanson
<p>The ingredient profile makes it a stronger quality-focused alternative for the same vitamin C goals. Fully buffered calcium ascorbate provides a meaningful vitamin C serving with good stomach-comfort potential. The focused formula keeps the active nutrient clear and avoids decorative additions.</p>
87 Performance

Ester-C with Citrus Bioflavonoids

American Health
<p>The ingredient profile makes it a stronger quality-focused alternative for the same vitamin C goals. A buffered vitamin C form and a substantial citrus bioflavonoid amount create a simple, well-dosed antioxidant formula. Strong satisfaction signals and a long supply support value, though excipients and intake directions are not shown.</p>
89 Budget

Pure Buffered Calcium Ascorbate

NOW
<p>The lower serving cost makes it a more economical alternative while retaining the same vitamin C focus. the buffered mineral ascorbate form supplies a meaningful vitamin C amount with a digestive-comfort advantage over plain ascorbic acid. Clear active dosing and favorable serving value are strengths, though complete use directions and inactive ingredients are not supplied.</p>
87 Budget

100% Pure Vitamin C Powder

Swanson Premium Brand
<p>The lower serving cost makes it a more economical alternative while retaining the same vitamin C focus. The pure powder supplies a flexible, meaningful vitamin C serving with exceptional economy and no active padding. Plain ascorbic acid remains acidic, so sensitive users may prefer a buffered form.</p>
87 Budget

C 500 mg

Mason Natural
<p>The lower serving cost makes it a more economical alternative while retaining the same vitamin C focus. A simple moderate-dose tablet provides useful vitamin C at excellent relative value and with extensive aggregate feedback. Generic ascorbic acid and missing inactive-ingredient details are the main limitations.</p>
87 Value

Pure Buffered Magnesium Ascorbate

NOW
<p>The formula offers a more favorable balance of vitamin C quality and serving value than the original. Magnesium ascorbate provides a substantial fully buffered vitamin C serving with excellent relative value and clear mineral disclosure. Feedback volume is limited, and detailed use directions or non-active ingredients are not supplied.</p>
83 Value

C 500 mg

21st Century
<p>The formula offers a more favorable balance of vitamin C quality and serving value than the original. A large supply of straightforward vitamin C provides meaningful daily support with excellent value. Basic ascorbic acid and incomplete inactive-ingredient details keep the formula from feeling premium.</p>
84 Value

Ester-C 500 mg With Citrus Bioflavoinds

American Health
<p>The formula offers a more favorable balance of vitamin C quality and serving value than the original. Buffered Ester-C provides a substantial vitamin C serving with good stomach-comfort potential. Citrus bioflavonoids add compatible plant compounds without distracting from the core nutrient.</p>
Report alternatives

Sources

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

  1. 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 pooledAnti-Inflammatory Support forGreen Tea
  2. 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 pooledAnti-Inflammatory Support Skin Health forGreen Tea
  3. 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 participantsAnti-Inflammatory Support forGreen Tea
  4. Camellia Sinensis Mouthwashes in Oral Care: a Systematic Review.
    Tafazoli A; Tafazoli Moghadam E · Journal of dentistry (Shiraz, Iran) · 2020
    Systematic review69 studies pooledAnti-Inflammatory Support forGreen Tea
  5. Skin photoprotection by green tea: antioxidant and immunomodulatory effects.
    Katiyar SK · Current drug targets. Immune, endocrine and metabolic disorders · 2004
    Narrative reviewAnti-Inflammatory Support forGreen Tea
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. Topical Polyphenon E in the treatment of external genital and perianal warts: a randomized controlled trial.
    Stockfleth E; Beti H; Orasan R; Grigorian F; Mescheder A; Tawfik H; Thielert C · The British journal of dermatology · 2008
    Randomized trial503 participantsSkin Health forGreen Tea
  22. Efficacy, safety and tolerability of green tea catechins in the treatment of external anogenital warts: a systematic review and meta-analysis.
    Tzellos TG; Sardeli C; Lallas A; Papazisis G; Chourdakis M; Kouvelas D · Journal of the European Academy of Dermatology and Venereology : JEADV · 2011
    Meta-analysis1,247 participants3 studies pooledSkin Health forGreen Tea
  23. Green tea polyphenols provide photoprotection, increase microcirculation, and modulate skin properties of women.
    Heinrich U; Moore CE; De Spirt S; Tronnier H; Stahl W · The Journal of nutrition · 2011
    Randomized trial60 participantsSkin Health forGreen Tea
  24. Efficacy of Epigallocatechin-3-Gallate in Preventing Dermatitis in Patients With Breast Cancer Receiving Postoperative Radiotherapy: A Double-Blind, Placebo-Controlled, Phase 2 Randomized Clinical Trial.
    Zhao H; Zhu W; Zhao X; Li X; Zhou Z; Zheng M; Meng X; Kong L; Zhang S; He D; Xing L; Yu J · JAMA dermatology · 2022
    Randomized trial180 participantsSkin Health forGreen Tea
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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