Ester-C 500 mg With Citrus Bioflavonoids
Goals
$15.39 $0.25 per serving
Product analysis
Ester-C 500 mg With Citrus Bioflavonoids offers good value for supporting normal immune nutrition and collagen formation when vitamin C intake is low.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality37
The vitamin C and calcium forms are identified, while their form quality remains uncertain. The citrus flavonoid mixture also lacks a clear form, making that addition harder to compare.
Ingredient Transparency88
Amounts are disclosed for the listed ingredients, and the main vitamin C form is clear. The flavonoid mixture is less precisely identified.
Value For Money74
The vitamin C contribution offers very good value. Value for the calcium and flavonoid additions remains uncertain, so the main buying case rests on vitamin C.
Customer Satisfaction91
Customer feedback is very positive across several thousand ratings. The substantial review base gives useful confidence in satisfaction, without proving health effects.
Product Focus74
Vitamin C provides the clearest nutritional purpose through normal immune function and collagen formation. The additional ingredients do not establish stronger benefits when nutrient needs are already met.
- Format
Capsule - Container
- 120 Capsule(s)
- Per serving
- $0.25
- Also available
Ester-C 500 mg With Citrus Bioflavoinds$25.89- Customer rating
- 4.9 · 2,773 ratings
Goals
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 (Ester-C Calcium Ascorbate) | 1000 mg | |
Calcium (Ester-C Calcium Ascorbate) | 110 mg | |
Citrus Bioflavonoids Complex | 400 mg |
Vitamin C (Ester-C Calcium Ascorbate) · 1000 mg OverallScore92
Each serving provides 1000 mg of vitamin C. The cost per gram of vitamin C is low. Ester-C supplies vitamin C as calcium ascorbate with metabolites.
How this ingredient is rated
Active Ingredient Quality & Bioavailability90
Ester-C supplies vitamin C as calcium ascorbate with metabolites. Ester-C uses buffered calcium ascorbate.
Vitamin C Chemical Form & Delivery System
Ester-C supplies vitamin C as calcium ascorbate with metabolites.
Gastric Comfort & pH Balance
Ester-C uses buffered calcium ascorbate.
Dose, Safety & Label Transparency91
Each serving provides 1000 mg of vitamin C. The vitamin C and calcium amounts are stated.
Optimal Dosage Targeting
Each serving provides 1000 mg of vitamin C.
Purity & Excipient Quality
The other-ingredient panel has no flagged sweeteners, artificial colors or preservatives.
Mineral & Source Transparency
The vitamin C and calcium amounts are stated.
Value100
The cost per gram of vitamin C is low.
Price per Gram of Vitamin C
The cost per gram of vitamin C is low.
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.