$6.39 $0.12 per serving
Product analysis
Ester-C plus 500 mg Vitamin C offers favorable value for its vitamin C and combines it with plant ingredients. The same serving is less economical when bought primarily for rutin.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality28
The vitamin C form is named, but its relative quality is not established. The forms of the accompanying plant ingredients are not specified.
Ingredient Transparency70
Ingredient amounts are clearly listed, helping you compare servings. Most forms are not named, limiting exact comparisons.
Value For Money61
Vitamin C is the main value strength, with a favorable cost for the amount provided. Buying the full serving for its rutin is less economical, while value for the other plant ingredients remains uncertain.
Customer Satisfaction77
Customers give very positive feedback. The reviews give a broader view of satisfaction but do not establish effectiveness or safety.
Product Focus65
The combination has support across several intended goals, though benefits are not certain. No included ingredient is confirmed to be unnecessary.
- Format
Capsule - Container
- 50 Capsule(s)
- Per serving
- $0.12
- Customer rating
- 4.9 · 175 ratings
Goals
Impact
Moderate effect
Vitamin C · 500 mg
Impact
High effect
Vitamin C · 500 mg
Impact
Moderate effect
Vitamin C · 500 mg
Impact
High effect
Vitamin C · 500 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Ester-C Calcium Ascorbate) | 500 mg | |
Citrus Bioflavonoid Complex | 25 mg | |
Acerola extract | 10 mg | |
Rose Hips | 10 mg | |
Rutin | 5 mg |
Vitamin C (Ester-C Calcium Ascorbate) · 500 mg OverallScore89
Each serving provides 500 mg of vitamin C at a low estimated cost for the amount, based on the full serving price. It uses buffered calcium ascorbate as Ester-C. It contains standard excipients. The calcium amount is unknown.
How this ingredient is rated
Active Ingredient Quality & Bioavailability90
It uses buffered calcium ascorbate as Ester-C.
Vitamin C Chemical Form & Delivery System
The vitamin C comes from Ester-C, a calcium ascorbate form.
Gastric Comfort & pH Balance
Calcium ascorbate is a buffered mineral form.
Dose, Safety & Label Transparency83
Each serving provides 500 mg of vitamin C. It contains standard excipients. The vitamin C amount is stated, but the calcium amount is unknown.
Optimal Dosage Targeting
Each serving provides 500 mg of vitamin C.
Purity & Excipient Quality
It contains standard excipients.
Mineral & Source Transparency
The vitamin C amount is stated, but the calcium amount is unknown.
Value100
The estimated cost per amount of vitamin C is low, based on the full serving price; that may overstate the cost attributable to vitamin C.
Price per Gram of Vitamin C
The estimated cost per amount of vitamin C is low, based on the full serving price; that may overstate the cost attributable to vitamin C.
Rutin · 5 mg OverallScore75
The selected serving declares 5 mg of rutin. The estimated whole-product cost per 100 mg of declared rutin preparation is high. The specific form is not available.
How this ingredient is rated
Composition and Label Disclosure
No separate composition detail was assessed here.
Composition and Label Disclosure100
The selected serving declares 5 mg of rutin.
Declared Active Rutin Amount
The selected serving declares 5 mg of rutin.
Commercial Price and Usability25
The estimated whole-product cost per 100 mg of declared rutin preparation is high.
Whole-Product Cost per 100 mg Declared Rutin Preparation
The estimated whole-product cost per 100 mg of declared rutin preparation is high.
Acerola · 10 mg OverallScore20
A serving provides 10 mg of acerola; there is no conclusion about its value per serving. The vitamin C content of the acerola preparation is unavailable. The botanical species is unavailable.
How this ingredient is rated
Composition and Label Disclosure20
The vitamin C content of the acerola preparation is unavailable.
Marker and Preparation Disclosure
The vitamin C content of the acerola preparation is unavailable.
Composition and Label Disclosure20
The serving provides 10 mg of acerola. The species and plant part are unavailable.
Acerola Botanical Identity Disclosure
The serving provides 10 mg of acerola. The species and plant part are unavailable.
Commercial Price and Usability
There is no conclusion about value per serving.
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.
- A randomized, double-masked study on the treatment of retinal vein occlusion with troxerutin
- 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.
- The effects of rutin flavonoid supplement on glycemic status, lipid profile, atherogenic index of plasma, brain-derived neurotrophic factor (BDNF), some serum inflammatory, and oxidative stress factors in patients with type 2 diabetes mellitus: A double-blind, placebo-controlled trial.
- Rutin ameliorates inflammation and improves metabolic function: A comprehensive analysis of scientific literature.
- Rutin-loaded chitosan microspheres: Characterization and evaluation of the anti-inflammatory activity.
- Oral enzyme combination therapy reduces systemic inflammation, urinary CTXII and pain in knee osteoarthritis: a proof-of-mechanism, randomised, crossover, double-blind, placebo-controlled trial.