$25.39 $0.10 per serving
Product analysis
C offers an economical source of vitamin C for normal immune function and collagen formation. It is most useful for filling a dietary gap, while regular use may modestly shorten colds.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality40
The ingredient forms are identified, but their quality cannot be judged confidently from the available information. Calcium ascorbate and citrus bioflavonoids do not establish an added advantage by name alone.
Ingredient Transparency100
Individual ingredient amounts and forms are stated. That makes it easier to compare what each serving provides with other vitamin C supplements.
Value For Money74
The cost is low for the vitamin C provided. Value for the calcium and flavonoid mixture remains unclear, so they should not be assumed to add savings.
Customer Satisfaction72
Customer ratings are very positive. Several hundred ratings provide a useful but relatively modest picture of satisfaction.
Product Focus74
Vitamin C supplies the clearest support for normal immune function, antioxidant defenses and collagen formation. A larger amount and added bioflavonoids do not establish broader eye, skin or inflammation benefits.
- Format
Tablet - Container
- 250 Tablet(s)
- Per serving
- $0.10
- Customer rating
- 4.6 · 262 ratings
Goals
Impact
Highest effect
Vitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Calcium Ascorbate) | 1000 mg | |
Calcium (Calcium Ascorbate) | 120 mg | |
Bioflavonoids (Citrus Bioflavonoids) | 200 mg |
Vitamin C (Calcium Ascorbate) · 1000 mg OverallScore89
Each serving provides 1000 mg of vitamin C as Calcium Ascorbate, at a low cost based on the full serving price. The vitamin C amount is clearly stated.
How this ingredient is rated
Active Ingredient Quality & Bioavailability83
It uses Calcium Ascorbate. The mineral ascorbate form is buffered.
Vitamin C Chemical Form & Delivery System
It uses Calcium Ascorbate.
Gastric Comfort & pH Balance
The mineral ascorbate form is buffered.
Dose, Safety & Label Transparency91
The serving provides 1000 mg of vitamin C. The Other Ingredients include standard excipients.
Optimal Dosage Targeting
Each serving provides 1000 mg of vitamin C.
Purity & Excipient Quality
The Other Ingredients include standard excipients.
Mineral & Source Transparency
The vitamin C amount and 120 mg of calcium are disclosed.
Value100
The cost based on the full serving price is low for the vitamin C supplied; other ingredients may contribute to that price.
Price per Gram of Vitamin C
The cost based on the full serving price is low for the vitamin C supplied; other ingredients may contribute to that price.
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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.