Vitamin C and Bio-Quercetin Phytosome
Goals
$20.25 $0.08 per serving
Product analysis
Vitamin C and Bio-Quercetin Phytosome supports normal immune function and collagen formation, with favorable value for its vitamin C. The quercetin preparation lacks clear form details, making comparisons with alternatives harder.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality36
The vitamin C form is named, but the available information does not establish its quality. Quercetin lacks a disclosed form, leaving its preparation harder to judge.
Ingredient Transparency81
Both ingredient amounts are disclosed, making the serving contents easy to check. Only the vitamin C form is identified, so the quercetin preparation remains less clear.
Value For Money88
The vitamin C compares very favorably on cost for the amount supplied. Value for the quercetin component remains uncertain.
Customer Satisfaction93
Customer feedback is strongly positive across a large review base. The volume gives a broad picture of satisfaction, without establishing added benefits from quercetin.
Product Focus78
Vitamin C provides the clearest contribution to normal immune function and collagen formation. The wider intended benefits depend on specific circumstances, and added routine benefits from quercetin are uncertain.
- Format
Tablet - Container
- 250 Tablet(s)
- Per serving
- $0.08
- Also available
Vitamin C and Bio-Quercetin Phytosome$7.50- Customer rating
- 4.8 · 9,065 ratings
Goals
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 |
|---|---|---|
Vitamin C (Ascorbic Acid) | 1000 mg | |
Bio-Quercetin Phytosome | 15 mg |
Vitamin C (Ascorbic Acid) · 1000 mg OverallScore68
It provides 1000 mg of vitamin C per serving. The cost per gram of vitamin C is low, based on the full serving price. It uses Ascorbic Acid. The source is unbuffered.
How this ingredient is rated
Active Ingredient Quality & Bioavailability30
It uses Ascorbic Acid. Ascorbic acid is unbuffered.
Vitamin C Chemical Form & Delivery System
It uses Ascorbic Acid.
Gastric Comfort & pH Balance
Ascorbic acid is unbuffered.
Dose, Safety & Label Transparency91
It provides 1000 mg of vitamin C per serving. The amount and source are stated.
Optimal Dosage Targeting
It provides 1000 mg of vitamin C per serving.
Purity & Excipient Quality
The other-ingredient panel has no listed additives flagged here.
Mineral & Source Transparency
The vitamin C amount and ascorbic acid source are stated; no mineral amount is needed for this form.
Value100
The cost per gram of vitamin C is low, based on the full serving price.
Price per Gram of Vitamin C
The cost per gram of vitamin C is low, based on the full serving price.
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.