$25.99 $0.14 per serving
Product analysis
Ester-C Plus 1000 mg Vitamin C supplies vitamin C for normal immune function and collagen formation at an appealing cost for its active amount. Several added plant ingredients have unspecified preparations, making those additions harder to compare.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality30
The main vitamin C form is identified, but an absorption or clinical advantage remains uncertain. Most additional plant ingredients lack form details, limiting comparison of their preparations.
Ingredient Transparency72
All ingredient amounts are disclosed, allowing a serving comparison. Only the vitamin C and calcium forms are identified, leaving most additions less clearly described.
Value For Money61
The vitamin C content offers very good value at the full serving cost. Rutin adds moderate value, while value for the remaining additions is uncertain.
Customer Satisfaction77
Customer ratings indicate strong satisfaction. A few hundred ratings give a useful range of buyer feedback.
Product Focus70
The clearest role is ordinary vitamin C nutrition, including immune function and collagen formation. Benefits are most relevant when intake is low, and the special form and plant additions do not establish extra benefits.
- Format
Tablet - Container
- 180 Tablet(s)
- Per serving
- $0.14
- Also available
Ester-C Plus 1000 mg Vitamin C$15.44- Customer rating
- 4.7 · 436 ratings
Goals
Impact
Moderate 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 |
|---|---|---|
Calories | 5 Calorie(s) | |
Total Carbohydrates | 1 Gram(s) | |
Vitamin C (Ester-C Calcium Ascorbate) | 1000 mg | |
Calcium (Ester-C Calcium Ascorbate) | 100 mg | |
Citrus Bioflavonoid Complex | 200 mg | |
Acerola extract | 25 mg | |
Rose Hips | 25 mg | |
Rutin | 25 mg |
Vitamin C (Ester-C Calcium Ascorbate) · 1000 mg OverallScore92
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 & Bioavailability90
It uses Calcium Ascorbate (Ester-C). It is described as non-acidic.
Vitamin C Chemical Form & Delivery System
It uses Calcium Ascorbate (Ester-C).
Gastric Comfort & pH Balance
It is described as non-acidic.
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 100 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.
Rutin · 25 mg OverallScore83
The selected serving declares 25 mg of rutin. The estimated whole-product cost per 100 mg of declared rutin preparation is moderate. 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 25 mg of rutin.
Declared Active Rutin Amount
The selected serving declares 25 mg of rutin.
Commercial Price and Usability50
The estimated whole-product cost per 100 mg of declared rutin preparation is moderate.
Whole-Product Cost per 100 mg Declared Rutin Preparation
The estimated whole-product cost per 100 mg of declared rutin preparation is moderate.
Acerola · 25 mg OverallScore20
The serving lists 25 mg of acerola. The extract ratio and vitamin C yield are not specified. The species and source-associated plant part are unclear.
How this ingredient is rated
Composition and Label Disclosure20
The extract ratio and vitamin C yield are not specified.
Marker and Preparation Disclosure
The extract ratio and vitamin C yield are not specified.
Composition and Label Disclosure20
The species and source-associated plant part are unclear.
Acerola Botanical Identity Disclosure
The species and source-associated plant part are unclear.
Commercial Price and Usability
A price comparison is not included.
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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.
- 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.