Product analysis
Pure Buffered Calcium Ascorbate offers vitamin C at a favorable cost and may help fill dietary gaps that affect immune function and collagen formation.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality40
The vitamin C and calcium forms are identified, but their absorption advantages remain uncertain. Clear names alone do not establish better ingredient quality.
Ingredient Transparency100
Both nutrient amounts and their forms are disclosed. That makes the contents easier to compare with other supplements.
Value For Money80
The vitamin C amount offers good value for the full serving price. The calcium contribution cannot be judged as confidently.
Customer Satisfaction83
Customer feedback is favorable across a substantial review pool. Reviews describe satisfaction rather than proving health effects.
Product Focus74
The formula mainly supports vitamin C nutrition, with a smaller calcium contribution. Its benefits are most relevant when intake is low, rather than as an extra health boost when needs are met.
- Format
Powder - Container
- 8 Powder
- Per serving
- $0.03
- Customer rating
- 4.7 · 1,401 ratings
Goals
Impact
High effect
Vitamin C · 890 mg
Impact
High effect
Vitamin C · 890 mg
Impact
High effect
Vitamin C · 890 mg
Impact
High effect
Vitamin C · 890 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Calcium Ascorbate) | 890 mg | |
Calcium (Calcium Ascorbate) | 100 mg |
Vitamin C (Calcium Ascorbate) · 890 mg OverallScore89
A serving provides 890 mg of vitamin C, and the cost per gram is low. It uses calcium ascorbate, a buffered mineral form. Calcium Ascorbate is a buffered form of vitamin C.
How this ingredient is rated
Active Ingredient Quality & Bioavailability83
It uses calcium ascorbate, a buffered mineral form. Calcium Ascorbate is a buffered form of vitamin C.
Vitamin C Chemical Form & Delivery System
It uses calcium ascorbate, a buffered mineral form.
Gastric Comfort & pH Balance
Calcium Ascorbate is a buffered form of vitamin C.
Dose, Safety & Label Transparency91
A serving provides 890 mg of vitamin C. The Other Ingredients panel has no flagged additives.
Optimal Dosage Targeting
A serving provides 890 mg of vitamin C.
Purity & Excipient Quality
The Other Ingredients panel has no flagged additives.
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.
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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.