$9.89 $0.21 per serving
Product analysis
Extra Strength Chewable C 1000 mg supports normal immune functions and collagen formation, with favorable value for its vitamin C content.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality36
The vitamin C forms are named, but their proportions are not disclosed. Those form names alone do not establish better absorption or added practical benefits.
Ingredient Transparency58
Ingredient amounts and the vitamin C forms are disclosed, making serving comparisons easier. The proportions of the vitamin C sources remain unspecified.
Value For Money78
The serving price compares favorably for the vitamin C provided. The earlier general price comparison was also favorable but may no longer reflect current pricing.
Customer Satisfaction77
Customer ratings are strongly favorable. A few hundred reviews provide a more limited picture of satisfaction than a much larger feedback base.
Product Focus79
Vitamin C gives the supplement a clear nutritional purpose in normal immune and collagen functions. Extra intake does not establish further benefit once nutritional needs are met.
- Format
Tablet - Container
- 90 Tablet(s)
- Per serving
- $0.21
- Customer rating
- 4.7 · 499 ratings
Goals
Impact
Highest effect
Vitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Impact
Highest effect
Vitamin C · 1000 mg
Impact
High effect
Vitamin C · 1000 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Calories | 20 Calorie(s) | |
Total Carbohydrate | 4 Gram(s) | |
Vitamin C (Ascorbic Acid, Sodium Ascorbate) | 1000 mg | |
Sodium | 100 mg |
Vitamin C (Ascorbic Acid, Sodium Ascorbate) · 1000 mg OverallScore70
Each serving provides 1000 mg of vitamin C at a low estimated cost for the amount, based on the full serving price. It combines ascorbic acid and buffered sodium ascorbate in unknown proportions. It contains sweeteners.
How this ingredient is rated
Active Ingredient Quality & Bioavailability56
It combines ascorbic acid and buffered sodium ascorbate in unknown proportions.
Vitamin C Chemical Form & Delivery System
The sources are ascorbic acid and sodium ascorbate; their proportions are unknown.
Gastric Comfort & pH Balance
The blend includes unbuffered ascorbic acid and buffered sodium ascorbate in unknown proportions.
Dose, Safety & Label Transparency79
Each serving provides 1000 mg of vitamin C. It contains sweeteners. The vitamin C and sodium amounts are stated, but source proportions are unknown.
Optimal Dosage Targeting
Each serving provides 1000 mg of vitamin C.
Purity & Excipient Quality
It contains sweeteners.
Mineral & Source Transparency
The vitamin C and sodium amounts are stated, but source proportions are unknown.
Value80
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.
Sodium · 100 mg OverallScore65
At 100 mg sodium per serving, this offers a small contribution for intense activity at a low cost per serving. Sodium Ascorbate is listed, but the source of the sodium total and its proportions are unclear. The available Other Ingredients information identifies no artificial color or sweetener.
How this ingredient is rated
Active Ingredient Quality & Bioavailability48
Sodium Ascorbate is listed, but the source of the sodium total and its proportions are unclear. No additional trace mineral or buffering support is identified.
Sodium Source Purity & Quality
Sodium Ascorbate is listed, but the source of the sodium total and its proportions are unclear.
Bioavailability of Supporting Electrolytes
No potassium or magnesium source is identified.
Trace Mineral Complex & Buffering Forms
No additional trace mineral or buffering support is identified.
Dose, Safety & Label Transparency65
A serving provides 100 mg sodium, a low amount for intense activity. No artificial color or sweetener is identified in the available Other Ingredients information.
Sodium Dosage for Athletic Replenishment
A serving provides 100 mg sodium, a low amount for intense activity.
Ingredient Label Transparency
The sodium amount is individually listed.
Artificial Color and Sweetener Disclosure
No artificial color or sweetener is identified in the available Other Ingredients information.
Value100
The cost per serving is low.
Price Per Serving vs. Collection Median
The cost per serving is low.
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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.