Ascorbic Acid with Bioflavonoids
Goals
$21.74 $0.12 per serving
Product analysis
Ascorbic Acid with Bioflavonoids offers economical vitamin C for normal immune function and may modestly shorten colds with regular use.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality36
Vitamin C is identified as ascorbic acid, but its form quality cannot be judged confidently. The unspecified flavonoid mixture is also difficult to compare with clearly described preparations.
Ingredient Transparency81
Both ingredient amounts are disclosed, with a clear vitamin C form. The flavonoid preparation is less specific, making that part of the combination harder to compare.
Value For Money88
Vitamin C offers very good value for the amount provided. The added flavonoids have uncertain value, so the clearest cost advantage comes from vitamin C.
Customer Satisfaction88
Customer ratings are very positive across thousands of buyers. That provides a broad satisfaction picture without showing that the supplement delivers a particular health benefit.
Product Focus76
The clearest purpose is vitamin C support for normal immune and antioxidant functions. Its large serving does not establish extra benefit once nutritional needs are met, and wider skin and eye benefits remain conditional.
- Format
Powder - Container
- 16 Ounce(s)
- Per serving
- $0.12
- Also available
Ascorbic Acid with Bioflavonoids$12.37- Customer rating
- 4.8 · 2,375 ratings
Goals
Impact
High effect
Vitamin C · 2000 mg
Vitamin C supports antioxidant defenses. Its inflammation findings are limited: the overall trial was null, with a reduction in CRP confined to people whose CRP was elevated initially. This does not establish a broad anti-inflammatory benefit, and buffered forms have no established advantage.
How this product is rated for Inflammation
Ingredient fit80
Vitamin C provide the main connection to this goal. The included amounts reach the full supplied comparison range; this does not establish a proven clinical dose.
Goal fit
Several ingredients serve other nutritional purposes, so the formula has a broader focus than inflammation support.
Dose adequacy
The included amounts reach the full supplied comparison range; this does not establish a proven clinical dose.
Pathways55
The strongest saved connection is to oxidative stress; this describes a mechanism-related finding rather than established symptom relief. Coverage is concentrated in one mechanism, leaving the other inflammation-related mechanisms unsupported in the saved findings.
Depth
The strongest saved connection is to oxidative stress; this describes a mechanism-related finding rather than established symptom relief.
Breadth
Coverage is concentrated in one mechanism, leaving the other inflammation-related mechanisms unsupported in the saved findings.
Evidence87
Vitamin C’s strongest relevant finding concerns elevated starting CRP, with no overall trial benefit.
Evidence strength
Vitamin C’s strongest relevant finding concerns elevated starting CRP, with no overall trial benefit.
Studied preparation
The saved findings recognize the included preparation, but matching a preparation does not remove the limits of its clinical evidence.
Formulation logic100
The supplied findings identify no missing required partner or matched conflict. The included amounts pass the minimum comparison threshold, which does not prove clinical effectiveness.
Partner coverage
The included ingredients do not require an additional partner in the supplied findings; this does not demonstrate synergy.
Conflicts
No ingredient conflict was identified by the supplied checks; these checks do not establish comprehensive safety.
Effective doses
All ingredients retained in the amount-based findings pass the minimum comparison threshold; that threshold is not a proven effective dose.
Impact
High effect
Vitamin C · 2000 mg
Vitamin C contributes to normal antioxidant and immune functions when dietary intake is low. The 2000 mg serving reaches the supplied comparison’s upper allowance; the larger amount does not establish extra benefit once intake is adequate. Its contribution remains concentrated in one area, and the supplied context does not establish infection prevention or a broader effect from the accompanying flavonoid mixture.
How this product is rated for Everyday Health
Ingredient fit80
The contributing ingredients reach the upper amount allowance; larger amounts do not establish greater health benefits.
Goal fit
Relevant nutrients contribute, while ingredients aimed elsewhere make the product less focused on routine general health.
Dose adequacy
The contributing ingredients reach the upper amount allowance; larger amounts do not establish greater health benefits.
Pathways54
The strongest contribution is in antioxidant and immune functions, with partial support in the supplied comparison. The meaningful contribution is concentrated in one area, limiting coverage of this broad goal.
Depth
The strongest contribution is in antioxidant and immune functions, with partial support in the supplied comparison.
Breadth
The meaningful contribution is concentrated in one area, limiting coverage of this broad goal.
Evidence74
Vitamin C leads the supplied evidence comparison; normal nutritional functions do not establish additional benefit when intake is adequate.
Evidence strength
Vitamin C leads the supplied evidence comparison; normal nutritional functions do not establish additional benefit when intake is adequate.
Studied preparation
The contributing ingredients with qualifying amounts match accepted preparations, without establishing superior effects from their particular forms.
Formulation logic100
All retained contributors reach the comparison’s minimum amount allowance; this is not a proven clinical treatment threshold.
Partner coverage
The contributing ingredients can act independently or have their required partners; an extra combination benefit is not established.
Conflicts
No configured ingredient conflict was identified in the supplied facts.
Effective doses
All retained contributors reach the comparison’s minimum amount allowance; this is not a proven clinical treatment threshold.
Impact
Highest effect
Vitamin C · 2000 mg
Vitamin C supports immune-cell activity and may modestly shorten colds with regular use. This does not establish prevention of infection or treatment of an established cold. Its declared serving amount provides the relevant contribution, and neither a larger serving nor the particular vitamin C form establishes greater benefit.
How this product is rated for Immunity
Ingredient fit94
Vitamin C anchors the immune-related findings. Its declared amount supports a clear, limited contribution.
Goal fit
Vitamin C gives this formula a clear immune connection, while its links to other goals reduce its exclusive focus.
Dose adequacy
Vitamin C’s serving amount meets the saved amount comparison; this comparison does not identify an optimal clinical intake.
Pathways60
The strongest saved connection is to innate immune cell activity. Coverage of the remaining processes is narrower.
Depth
The strongest saved connection is to innate immune cell activity; the finding describes coverage of that process, not measured improvement in immunity.
Breadth
The saved findings extend to innate immune cell activity. Other processes have less coverage.
Evidence100
Vitamin C leads this finding. Nutrient roles and regular-use evidence remain distinct from proven infection prevention.
Evidence strength
Vitamin C leads the saved evidence finding, based on its bounded nutrient-function and regular-use cold-duration support.
Studied preparation
The counted preparations meet the saved preparation comparison; that finding does not establish superiority of their specific forms.
Formulation logic100
No required partner is missing and neither zinc conflict is triggered. Counted ingredients meet the minimum amount comparison.
Partner coverage
The counted ingredients work independently under the supplied findings and have no missing required partner; this does not establish synergy.
Conflicts
Neither zinc-related conflict is triggered by the supplied amounts and ingredient presence; this is a limited interaction check.
Effective doses
All counted ingredients meet the saved minimum amount comparison; ingredients excluded for small or unresolved amounts are not made effective by this finding.
Impact
High effect
Vitamin C · 2000 mg
Vitamin C is needed for normal collagen formation, and correcting low intake can restore impaired wound healing. That nutritional role does not establish extra cosmetic improvement when intake is adequate. The serving reaches the saved amount reference, but higher amounts do not establish more skin benefit. The supplied oral trial did not improve UV redness, and the declared form does not establish a cosmetic advantage.
How this product is rated for Skin Health
Ingredient fit80
The relevant ingredients provide a mixed skin-health connection. Declared amounts meet the saved exposure references.
Goal fit
Broader product aims or ingredients outside the credited skin-health roles reduce specific focus.
Dose adequacy
Declared amounts meet the exposure references without proving a cosmetic benefit or greater benefit from higher amounts.
Pathways0
The saved findings concern nutritional roles, with no coverage assigned to the four assessed skin pathways.
Depth
None of the assessed collagen, water-binding, barrier-lipid or UV pathways received coverage.
Breadth
No assessed pathways reach the saved breadth threshold.
Evidence100
Vitamin C leads the saved evidence contribution. Included preparations satisfy the saved check, without proving routine cosmetic improvement.
Evidence strength
Vitamin C supplies the leading contribution, subject to its specific outcome and population limits.
Studied preparation
Included ingredients satisfy the saved preparation check; this does not prove efficacy of the finished product.
Formulation logic100
No required partner is missing and no configured conflict was matched. Included ingredients clear the minimum amount comparison.
Partner coverage
No required partner is missing from the included contributions.
Conflicts
No configured ingredient conflict was matched.
Effective doses
Included ingredients clear the minimum amount comparison; this is distinct from a proven skin-treatment dose.
Impact
High effect
Vitamin C · 2000 mg
Vitamin C provides the eye-related connection, but its supplied clinical evidence concerns a defined AREDS combination for selected people with AMD. This does not establish improved everyday vision from vitamin C alone. The 2000 mg amount exceeds the saved reference range without adding recognition, and suitability at that exposure remains unassessed.
How this product is rated for Eye Health
Ingredient fit80
Vitamin C is the sole credited ingredient, with an additional mixture reducing the formula's vision focus. Its amount reaches the saved maximum recognition.
Goal fit
Vitamin C supplies the reviewed eye-related connection, while an additional mixture and links to several goals reduce focus.
Dose adequacy
The vitamin C amount reaches the saved endpoint; more than the reference range does not establish greater visual benefit.
Pathways47
The saved findings partly represent retinal and lens antioxidant defense through vitamin C, without broader coverage.
Depth
Retinal and lens antioxidant defense is the most represented area through vitamin C.
Breadth
Only antioxidant defense meets the saved coverage threshold; other eye-function areas lack coverage.
Evidence68
Vitamin C provides the entire qualifying evidence finding and passes the saved preparation check. The relevant evidence remains specific to a defined combination.
Evidence strength
Vitamin C supplies the strongest saved evidence finding among qualifying ingredients.
Studied preparation
Vitamin C passes the saved preparation check, which does not establish benefit at this product's exposure.
Formulation logic100
Vitamin C meets the saved amount and partner criteria, with no configured conflict matched. These findings do not assess suitability at this exposure.
Partner coverage
The saved findings identify no unmet partner requirement for vitamin C.
Conflicts
No configured conflict matches; the zinc-without-copper condition is inapplicable because zinc is absent.
Effective doses
Vitamin C meets the saved minimum amount threshold, without establishing a proven dose for routine visual improvement.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (L-Ascorbic Acid) | 2000 mg | |
Lemon Bioflavonoid Complex | 500 mg |
Vitamin C (L-Ascorbic Acid) · 2000 mg OverallScore61
Each serving provides 2,000 mg of vitamin C as unbuffered l-ascorbic acid. The whole-product price is about $0.06 per gram of vitamin C.
How this ingredient is rated
Active Ingredient Quality & Bioavailability30
The vitamin C is l-ascorbic acid, an unbuffered form.
Vitamin C Chemical Form & Delivery System
The vitamin C is l-ascorbic acid, a standard form.
Gastric Comfort & pH Balance
Ascorbic acid is an unbuffered form of vitamin C.
Dose, Safety & Label Transparency74
A serving provides 2,000 mg of vitamin C, a relatively large amount in this comparison. The available other-ingredient information has none of the additives flagged by this evaluation.
Optimal Dosage Targeting
A serving provides 2,000 mg of vitamin C, a relatively large amount in this comparison.
Purity & Excipient Quality
The available other-ingredient information has none of the additives flagged by this evaluation.
Mineral & Source Transparency
The vitamin C amount and l-ascorbic acid source are recorded; a matching mineral amount is not applicable.
Value100
Based on the whole-product price, vitamin C costs about $0.06 per gram.
Price per Gram of Vitamin C
Based on the whole-product price, vitamin C costs about $0.06 per gram.
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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.