Liquid Vitamin C 1000 mg Natural Citrus Flavors
Goals
$7.99 $0.49 per serving
Product analysis
Liquid Vitamin C 1000 mg Natural Citrus Flavors offers a liquid way to take vitamin C for normal immune function and collagen formation.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality20
The main vitamin C form is unspecified, and different quantity declarations cannot be combined into one total. Those limitations reduce clarity without establishing poor absorption.
Ingredient Transparency63
The declarations give amounts, but the differing quantities need to be read separately. Specific forms are unspecified, so the sources are also less clear.
Value For Money24
The vitamin C contribution is relatively costly at the serving price. Value for the carbohydrate contribution cannot be determined reliably.
Customer Satisfaction84
Customer feedback is favorable across 1,690 ratings. The broad review base gives satisfaction context without showing that a larger vitamin C serving produces more benefit.
Product Focus79
Vitamin C gives the formula a clear nutritional focus. Its main roles are normal immune function and collagen formation, with no established extra benefit from a larger amount once needs are met.
- Format
Liquid - Container
- 8 Fluid Ounce(s)
- Per serving
- $0.49
- Also available
Liquid Vitamin C 1000 mg Natural Citrus Flavors$13.39- Customer rating
- 4.7 · 1,690 ratings
Goals
Impact
Highest effect
Vitamin C · 6660 mg
Vitamin C supports normal immune function, with modest evidence for shorter colds during regular supplementation rather than preventing infection. The supplied serving contains 1999 mg, despite the product name, and does not establish greater benefit than lower comparison amounts. A serving alone does not establish the repeated exposure used in trials.
How this product is rated for Immunity
Ingredient fit94
Vitamin C provide the focused contribution to immunity here. The counted amounts meet the saved comparisons, without establishing extra benefit above nutritional or trial-reference amounts.
Goal fit
Vitamin C provide the focused contribution to immunity here.
Dose adequacy
The counted amounts meet the saved comparisons, without establishing extra benefit above nutritional or trial-reference amounts.
Pathways60
The strongest contribution concerns innate immune cell activity, based on the relevant ingredients and their amounts. The main contribution is concentrated in one immune-related area.
Depth
The strongest contribution concerns innate immune cell activity, based on the relevant ingredients and their amounts.
Breadth
The main contribution is concentrated in one immune-related area.
Evidence100
Vitamin C has the strongest supported contribution here, with modest regular-use cold-duration evidence rather than infection prevention.
Evidence strength
Vitamin C has the strongest supported contribution here, with modest regular-use cold-duration evidence rather than infection prevention.
Studied preparation
The counted preparations meet the supplied preparation comparison, without establishing superior effects from their forms or delivery methods.
Formulation logic100
The counted ingredients can contribute independently or have the partners required by the supplied findings. No configured ingredient conflict was identified from the supplied facts.
Partner coverage
The counted ingredients can contribute independently or have the partners required by the supplied findings.
Conflicts
No configured ingredient conflict was identified from the supplied facts.
Effective doses
The counted ingredients all meet the minimum amount comparison; this does not establish infection-prevention or treatment doses.
Impact
High effect
Vitamin C · 6660 mg
Vitamin C contributes to normal antioxidant and immune functions, with nutritional value when intake is low. The supplied reviewed amount is substantial for one selected serving. Higher amounts do not establish extra protection against infection or chronic disease, or added benefit when vitamin C intake is already adequate. The supplied facts support a focused nutrient role rather than broad coverage of general health.
How this product is rated for Everyday Health
Ingredient fit94
The relevant declared amounts reach the saved comparison endpoints; larger quantities do not establish larger health benefits.
Goal fit
The relevant ingredients give this formula a focused connection to the supplied general-health roles.
Dose adequacy
The relevant declared amounts reach the comparison amounts; larger quantities do not establish larger health benefits.
Pathways54
The strongest contribution concerns normal antioxidant and immune functions. Other meaningful coverage is limited to the named nutrient roles.
Depth
The strongest finding concerns normal antioxidant and immune functions, based on the relevant ingredients and their supplied amounts.
Breadth
Meaningful coverage extends to normal antioxidant and immune functions.
Evidence74
Vitamin C provides the leading evidence contribution. Nutritional functions and the saved preparation findings do not establish broad health improvements above adequate intake.
Evidence strength
Vitamin C leads the evidence contribution; its nutrient role does not establish extra benefit above adequate intake.
Studied preparation
The included preparations meet the preparation criteria; this does not establish superiority of a particular form.
Formulation logic100
The included ingredients can contribute without a missing required partner, and no configured conflict was found. Their amounts pass the saved minimum contribution check.
Partner coverage
The included ingredients can contribute independently or have their required partners; no extra benefit from combining them is established.
Conflicts
No configured ingredient conflict was identified in the supplied facts.
Effective doses
The included amounts all meet the minimum amount used in these findings; that threshold is not a proven clinical dose.
Impact
Highest effect
Vitamin C · 6660 mg
Vitamin C contributes antioxidant activity, but its inflammation findings depend on baseline context. A large trial was null overall, with a CRP reduction confined to people starting with elevated CRP. That subgroup result does not establish a routine anti-inflammatory effect, and buffered forms do not establish an extra advantage.
How this product is rated for Inflammation
Ingredient fit94
Vitamin C provides the main relevant connection. Known eligible amounts meet the saved comparison range.
Goal fit
Vitamin C supplies the main relevant ingredient connection.
Dose adequacy
The known eligible amounts reach the saved comparison range, which is not proof of clinical effectiveness.
Pathways55
The strongest retained connection concerns oxidative and mitochondrial stress; this identifies a pathway link rather than proven clinical relief.
Depth
The strongest retained connection concerns oxidative and mitochondrial stress; this identifies a pathway link rather than proven clinical relief.
Breadth
One pathway reaches the saved coverage threshold; broader coverage is not established.
Evidence87
Vitamin C provides the strongest retained evidence connection, with limited or inconsistent human outcome findings.
Evidence strength
Vitamin C provides the strongest retained evidence connection, with limited or inconsistent human outcome findings.
Studied preparation
Eligible material meets the saved preparation criteria; this does not establish clinical benefit from the exact product.
Formulation logic100
No unmet required partner or configured conflict was identified. Meeting amount criteria does not establish added benefit from combining ingredients.
Partner coverage
No unmet required partner was identified for the retained ingredients; their combination does not establish extra benefit.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
Eligible ingredients meet the saved amount threshold; this is not proof of an effective treatment dose.
Impact
High effect
Vitamin C · 6660 mg
Vitamin C supports collagen formation and wound healing when intake is low. Its disclosed serving amount meets the saved amount reference, but higher intake does not establish extra skin improvement when vitamin C status is adequate. Hydration, barrier and UV-related outcomes are not established by this ingredient alone.
How this product is rated for Skin Health
Ingredient fit94
The relevant ingredients primarily provide nutritional support. Their saved amount findings do not establish extra cosmetic benefit.
Goal fit
Vitamin C is the main relevant ingredient; its use across other goals limits the formula’s skin focus.
Dose adequacy
The credited amounts meet the saved reference; this does not establish extra benefit above nutritional needs.
Pathways0
The saved findings identify no coverage of the four targeted skin pathways. Nutrient sufficiency is considered separately.
Depth
No targeted pathway receives a contribution from the disclosed ingredients.
Breadth
None of the targeted pathways reaches the saved coverage threshold.
Evidence100
Vitamin C leads the saved evidence finding. The supplied scientific context limits claims to the relevant nutritional role or preparation-specific outcomes.
Evidence strength
Vitamin C provides the strongest saved evidence contribution; this does not establish broad cosmetic improvement.
Studied preparation
The credited preparations meet the saved preparation checks, while the supplied evidence still limits transfer to routine skin outcomes.
Formulation logic100
The credited ingredients need no missing partner, and no configured conflicts were identified. Those findings do not establish added benefit from combining ingredients.
Partner coverage
The credited ingredients can contribute without an additional required partner.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All credited ingredients meet the saved minimum amount threshold; that threshold is not a proven effective skin dose.
Impact
High effect
Vitamin C · 6660 mg
Vitamin C contributes to the antioxidant aspect of the formula. Its eye-health evidence comes from a defined combination used in selected people with AMD, so this serving alone does not establish improved routine vision or disease prevention.
How this product is rated for Eye Health
Ingredient fit94
The connection is concentrated in the counted nutrients, with expectations limited by their supplied evidence.
Goal fit
The relevant ingredients dominate the formula, though its uses extend beyond vision.
Dose adequacy
The counted ingredient amounts reach the saved reference range; that does not establish a proven routine-vision dose.
Pathways47
The recorded pattern emphasizes retinal and lens antioxidant defense. These pathway findings do not establish equivalent improvements in everyday vision.
Depth
The strongest recorded coverage concerns retinal and lens antioxidant defense, without establishing a matching clinical improvement.
Breadth
Recorded coverage is concentrated in retinal and lens antioxidant defense, leaving other visual functions unaddressed.
Evidence68
Vitamin C has evidence within a defined AMD combination, which does not establish standalone routine vision improvement.
Evidence strength
Vitamin C anchors this finding, but its supplied limitations still govern what vision benefits can be expected.
Studied preparation
The counted preparations meet the saved comparison criteria; this does not establish that the complete product was clinically tested.
Formulation logic100
The counted ingredients meet the saved amount and partner criteria, with no matching high-zinc concern.
Partner coverage
The counted ingredients meet the saved partner conditions; this does not establish added benefit from combining them.
Conflicts
The supplied amounts do not trigger the specific high-zinc-without-copper concern.
Effective doses
All counted ingredients meet the saved minimum amount criterion; this is not proof of a clinically effective vision dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Calories | 70 Calorie(s) | |
Total Carbohydrates | 18 Gram(s) | |
Vitamin C | 6660 mg |
Vitamin C · 6660 mg OverallScore44
A serving supplies 1000 mg of vitamin C as ascorbic acid. The whole-product price works out to about $0.51 per gram of vitamin C.
How this ingredient is rated
Active Ingredient Quality & Bioavailability30
Vitamin C is provided as ascorbic acid; no buffering is established in the saved information.
Vitamin C Chemical Form & Delivery System
Ascorbic acid is identified in the other-ingredients list; the vitamin C amount comes from the main ingredient row.
Gastric Comfort & pH Balance
Ascorbic acid is the stated form; buffering is not established in the saved information.
Dose, Safety & Label Transparency70
A serving provides 1000 mg of vitamin C. Artificial colors or preservatives are recorded.
Optimal Dosage Targeting
A serving provides 1000 mg of vitamin C.
Purity & Excipient Quality
Artificial colors or preservatives are recorded among the checked ingredients.
Mineral & Source Transparency
The vitamin C amount and its ascorbic acid form are identified; an associated mineral amount is not required for this form.
Value20
The whole-product serving costs about $0.51 and provides 1000 mg of vitamin C.
Price per Gram of Vitamin C
The whole-product price works out to about $0.51 per gram of vitamin C.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- 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.
- 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.
- Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
- 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.
- 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.
- Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
- Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
- Nutritional modulation of cataract.
- Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan.
- Adherence to a Mediterranean diet, lifestyle and age-related macular degeneration: the Coimbra Eye Study - report 3.
- 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.
- Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
- Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
- New evidence for antioxidant properties of vitamin C.
- Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.
- Efficacy of Vitamin C as Glucocorticoid Substitute for Reducing Pain and Inflammation After Total Hip Arthroplasty: A Randomized Controlled Trial.
- The Impact of Vitamin C on Analgesic, Anti-inflammatory, and Hemostatic Outcomes After Total Hip and Knee Arthroplasty: A Systematic Review and Meta-Analysis.
- The impact of vitamin C supplementation on the perioperative outcomes after total hip and knee arthroplasty: a systematic review and meta-analysis.
- Therapeutic Impact of Ascorbic Acid on Oral and Periodontal Tissues: A Systematic Literature Review.
- Oral vitamin C administration reduces early recurrence rates after electrical cardioversion of persistent atrial fibrillation and attenuates associated inflammation.