Buffered Vitamin C + Citrus Bioflavonoids
Goals
$10.78 $0.10 per serving
Product analysis
Buffered Vitamin C + Citrus Bioflavonoids offers economical vitamin C to support normal immune function and collagen formation when intake is low. Regular vitamin C use may modestly shorten colds, without establishing an added benefit from the buffered form.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality37
Vitamin C and calcium are identified as calcium ascorbate, but their form quality cannot be judged confidently here. The flavonoid mixture is less clearly specified.
Ingredient Transparency88
All amounts and the main nutrient forms are stated, making comparisons easier. The flavonoid mixture lacks form detail.
Value For Money63
Vitamin C offers favorable value for the amount supplied. Value for calcium and the flavonoids remains uncertain.
Customer Satisfaction88
Customer feedback is very positive across thousands of ratings. The large amount of feedback gives a broad picture of satisfaction without proving cold or skin benefits.
Product Focus65
The main role is vitamin C nutrition, with a possible modest effect on cold duration during regular use. Broader eye, skin and inflammation findings do not establish extra benefit for everyone.
- Format
Tablet - Container
- 100 Tablet(s)
- Per serving
- $0.10
- Customer rating
- 4.8 · 2,650 ratings
Goals
Impact
High effect
Vitamin C · 500 mg
Vitamin C supports normal immune function and may modestly shorten colds when used regularly. The 500 mg serving supplies part of the saved comparison range, without establishing infection prevention or treatment of an established cold. The accompanying source and bioflavonoid mass does not establish additional vitamin C or prove enhanced clinical effects.
How this product is rated for Immunity
Ingredient fit60
Vitamin C provide relevant immune contributions within a broader formula or product purpose. Vitamin C supplies a partial amount contribution in the saved comparison.
Goal fit
Vitamin C provide relevant immune contributions within a broader formula or product purpose.
Dose adequacy
Vitamin C supplies a partial amount contribution in the saved comparison.
Pathways40
The supplied coverage centres on innate immune-cell activity.
Depth
The strongest contribution is in innate immune-cell activity.
Breadth
The supplied coverage centres on innate immune-cell activity.
Evidence100
Vitamin C supplies the strongest supported contribution at the stated amount; its clinical limits remain relevant.
Evidence strength
Vitamin C supplies the strongest supported contribution at the stated amount, without establishing infection prevention.
Studied preparation
The supplied findings accept the contributing preparations, without establishing superior clinical effects from particular forms.
Formulation logic100
All included contributions meet the saved amount criterion; this does not establish infection prevention.
Partner coverage
The included contributions have no unmet required ingredient partner.
Conflicts
No listed ingredient conflict was identified in the supplied findings.
Effective doses
All included contributions meet the saved amount criterion; this does not establish infection prevention.
Impact
Moderate effect
Vitamin C · 500 mg
Vitamin C supports normal immune function and antioxidant defenses. The 500 mg serving supplies this nutrient, while calcium at 50 mg makes a small mineral contribution; buffered delivery does not imply extra broad-health benefits.
How this product is rated for Everyday Health
Ingredient fit60
The saved assessment finds relevant nutrients alongside ingredients serving other purposes. The assessed amounts provide partial support against the saved dose references (50 out of 100).
Goal fit
The saved assessment finds relevant nutrients alongside ingredients serving other purposes.
Dose adequacy
The assessed amounts provide partial support against the saved dose references (50 out of 100).
Pathways17
The strongest saved coverage concerns antioxidant and immune defence, with partial coverage. No health mechanism reaches the saved coverage threshold.
Depth
The strongest saved coverage concerns antioxidant and immune defence, with partial coverage.
Breadth
No health mechanism reaches the saved coverage threshold.
Evidence74
Vitamin C leads the saved evidence comparison at an assessed amount. The saved assessment places the qualifying ingredients in its studied-preparation category.
Evidence strength
Vitamin C leads the saved evidence comparison at an assessed amount.
Studied preparation
The saved assessment places the qualifying ingredients in its studied-preparation category.
Formulation logic100
The assessed ingredients work independently or have their listed partner. No ingredient conflict is recorded in the saved assessment.
Partner coverage
The assessed ingredients work independently or have their listed partner.
Conflicts
No ingredient conflict is recorded in the saved assessment.
Effective doses
All assessed ingredients reach the saved minimum dose threshold.
Impact
Moderate effect
Vitamin C · 500 mg
The 500 mg vitamin C serving supports antioxidant defenses. Its inflammation-related evidence is mainly a marker change in people with elevated starting levels, so a routine benefit cannot be assumed. Buffered vitamin C has no established extra advantage for this goal.
How this product is rated for Inflammation
Ingredient fit53
Relevant ingredients sit alongside actives aimed at other needs, so the formula has a broader focus. The relevant amounts provide a partial match to the saved dose comparisons.
Goal fit
Relevant ingredients sit alongside actives aimed at other needs, so the formula has a broader focus.
Dose adequacy
The relevant amounts provide a partial match to the saved dose comparisons.
Pathways17
The strongest saved connection is oxidative and mitochondrial stress, with limited coverage. None of the reviewed routes reaches the saved level for broad coverage.
Depth
The strongest saved connection is oxidative and mitochondrial stress, with limited coverage.
Breadth
None of the reviewed routes reaches the saved level for broad coverage.
Evidence87
Vitamin C provides the strongest saved evidence at the assessed amount; its relevance remains dependent on the studied context. The preparations at the assessed amounts match those recognized in the saved review.
Evidence strength
Vitamin C provides the strongest saved evidence at the assessed amount; its relevance remains dependent on the studied context.
Studied preparation
The preparations at the assessed amounts match those recognized in the saved review.
Formulation logic100
The assessed ingredients can work independently or have their relevant partner. No ingredient conflicts were recorded in the supplied assessment. 1 of 1 assessed ingredients reach the saved amount threshold.
Partner coverage
The assessed ingredients can work independently or have their relevant partner.
Conflicts
No ingredient conflicts were recorded in the supplied assessment.
Effective doses
1 of 1 assessed ingredients reach the saved amount threshold.
Impact
High effect
Vitamin C · 500 mg
Vitamin C supports collagen formation and wound healing when intake is inadequate; deficiency can cause fragile capillaries and skin bleeding. The declared 500 mg serving receives full amount-based recognition, without established extra skin improvement when intake is sufficient. The branded or buffered preparation does not establish a separate cosmetic advantage.
How this product is rated for Skin Health
Ingredient fit73
Several recognized ingredients sit within a formula serving other purposes, limiting its focus on skin. Vitamin C receives full amount-based recognition; higher intake does not establish extra cosmetic benefit.
Goal fit
Several recognized ingredients sit within a formula serving other purposes, limiting its focus on skin.
Dose adequacy
Vitamin C receives full amount-based recognition; higher intake does not establish extra cosmetic benefit.
Pathways0
No direct coverage is assigned to the assessed skin pathways; nutritional deficiency support is considered separately.
Depth
No direct coverage is assigned to the assessed skin pathways; nutritional deficiency support is considered separately.
Breadth
No assessed area meets the saved coverage criterion.
Evidence100
Vitamin C's relevant evidence concerns deficiency-related collagen and healing problems, rather than extra skin improvement in adequately nourished adults.
Evidence strength
Vitamin C's relevant evidence concerns deficiency-related collagen and healing problems, rather than extra skin improvement in adequately nourished adults.
Studied preparation
The saved result recognizes the retained preparations; this does not expand the benefits established by the supplied scientific context.
Formulation logic100
No required partner is missing and no configured conflict was matched. All ingredients retained for this check meet its minimum amount criterion; this is not proof of clinical efficacy.
Partner coverage
No required partner is missing for the recognized ingredients; normal nutrient relationships do not establish extra benefit.
Conflicts
No configured conflict was matched in the supplied facts; this does not establish general safety.
Effective doses
All ingredients retained for this check meet its minimum amount criterion; this is not proof of clinical efficacy.
Impact
High effect
Vitamin C · 500 mg
Vitamin C has an antioxidant role relevant to eye tissues. Its supplied vision evidence comes from a defined multi-ingredient regimen in selected people with macular degeneration, which does not establish vitamin C-alone improvement in routine visual performance. The declared serving meets the saved amount comparison, but neither its amount nor form establishes the same clinical benefit.
How this product is rated for Eye Health
Ingredient fit73
Vitamin C supplies the main eye-related connection.
Goal fit
Vitamin C supplies the main eye-related connection.
Dose adequacy
Vitamin C meets the saved amount comparison; this does not establish a standalone dose that improves vision.
Pathways47
The saved findings concentrate on retinal and lens antioxidant defence.
Depth
The saved findings concentrate on retinal and lens antioxidant defence.
Breadth
One route reaches substantial coverage; broader coverage of other vision-related routes is limited.
Evidence68
Vitamin C's supplied evidence concerns a defined combination in selected macular-degeneration populations.
Evidence strength
Vitamin C's supplied evidence concerns a defined combination in selected macular-degeneration populations.
Studied preparation
The declared vitamin C form is recognized, without establishing a form-specific visual advantage.
Formulation logic100
The included ingredients need no missing partner, and no configured ingredient conflict was found.
Partner coverage
The included ingredients work independently or have their required partner.
Conflicts
No configured ingredient conflict was found.
Effective doses
All included ingredients meet the saved minimum amount comparison; this threshold does not establish clinical effectiveness.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Calcium Ascorbate) | 500 mg | |
Calcium (Calcium Ascorbate) | 50 mg | |
Bioflavonoids | 250 mg |
Vitamin C (Calcium Ascorbate) · 500 mg OverallScore85
Each serving provides 500 mg of vitamin C as calcium ascorbate. Based on the whole-product price, it costs about $0.22 per gram of vitamin C.
How this ingredient is rated
Active Ingredient Quality & Bioavailability83
Vitamin C comes from calcium ascorbate, a buffered mineral form.
Vitamin C Chemical Form & Delivery System
The vitamin C source is calcium ascorbate, a mineral ascorbate.
Gastric Comfort & pH Balance
Calcium Ascorbate is a buffered form of vitamin C.
Dose, Safety & Label Transparency91
Each serving provides 500 mg of vitamin C, and its source is identified.
Optimal Dosage Targeting
Each serving provides 500 mg of vitamin C, an amount favored by this evaluation.
Purity & Excipient Quality
The evaluation identifies standard excipients among the other ingredients.
Mineral & Source Transparency
The vitamin C amount, calcium ascorbate source and calcium amount are listed; the mineral need not all come from the ascorbate.
Value80
The whole-product price works out to about $0.22 per gram of vitamin C, a low cost in this comparison.
Price per Gram of Vitamin C
The whole-product price works out to about $0.22 per gram of vitamin C, a low cost in this comparison.
Alternative products
Report alternatives
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.