Product analysis
Quercetin Bromelain & Vitamin C brings the three ingredients together in one supplement. The bromelain portion is costly for the amount provided, which weakens value.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality31
Vitamin C has a named form, while the quercetin and bromelain preparations are unspecified. Their absorption and quality therefore remain uncertain.
Ingredient Transparency75
All three ingredient amounts are disclosed. Only vitamin C has a named form, making source comparisons for the other ingredients harder.
Value For Money40
Vitamin C offers moderate value, but the bromelain portion is costly for the amount provided. Value for quercetin remains uncertain.
Customer Satisfaction85
Customer feedback is very positive. The substantial review base gives a useful picture of satisfaction.
Product Focus77
The ingredients appear reasonably aligned with the intended goals. The concise combination keeps the ingredient list focused, though specific benefits remain unclear.
- Format
Capsule - Container
- 120 VegCap(s)
- Per serving
- $0.59
- Customer rating
- 4.8 · 1,417 ratings
Goals
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Ascorbic Acid) | 1250 mg | |
Quercetin Dihydrate | 500 mg | |
Bromelain | 50 mg |
How this ingredient is rated
Active Ingredient Quality & Bioavailability30
Vitamin C Chemical Form & Delivery System
Gastric Comfort & pH Balance
Dose, Safety & Label Transparency81
Optimal Dosage Targeting
Purity & Excipient Quality
Mineral & Source Transparency
Value50
Price per Gram of Vitamin C
How this ingredient is rated
Composition and Label Disclosure74
Enzyme Activity Disclosure
Declared GDU per Gram
Composition and Label Disclosure40
Declared Bromelain Mass
Botanical Source Disclosure
Commercial Price and Usability20
Cost per 500 mg Declared Bromelain
Alternative products
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Perioperative bromelain reduces pain and swelling and improves quality of life measures after mandibular third molar surgery: a randomized, double-blind, placebo-controlled clinical trial.
- Efficacy of proteolytic enzyme bromelain on health outcomes after third molar surgery. Systematic review and meta-analysis of randomized clinical trials.
- Bromelain-based enzymatic burn debridement: A systematic review of clinical studies on patient safety, efficacy and long-term outcomes.
- Placebo-controlled randomized clinical trial on the immunomodulating activities of low- and high-dose bromelain after oral administration - new evidence on the antiinflammatory mode of action of bromelain.
- Bromelain reduces mild acute knee pain and improves well-being in a dose-dependent fashion in an open study of otherwise healthy adults.
- 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.