$10.69 $0.17 per serving
Product analysis
Reacta C 500 mg supplies vitamin C to support normal immune function and collagen formation. Its unidentified blend and undisclosed mixture proportions make the added ingredients harder to judge.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality39
The named vitamin C forms do not establish better results than ordinary vitamin C. The additional unidentified blend leaves part of the formula’s quality uncertain.
Ingredient Transparency70
Ingredient totals are stated, but some form details are missing. Undisclosed mixture contents or proportions make a full comparison harder.
Value For Money48
Vitamin C offers middling value for its cost, while the flavonoid mixture cannot be compared confidently. The added ingredients do not establish a clear value advantage.
Customer Satisfaction93
Customer feedback is very positive, with a substantial number of ratings. Ratings reflect satisfaction and cannot establish effectiveness or safety.
Product Focus40
Vitamin C provides the clearest purpose, supporting normal immune nutrition and collagen formation. The unidentified blend prevents a complete view of the active ingredients.
- Format
Capsule - Container
- 60 VegCap(s)
- Per serving
- $0.17
- Also available
Reacta C 500 mg$27.29- Customer rating
- 4.9 · 4,985 ratings
Goals
Impact
High effect
Vitamin C · 500 mg
Vitamin C supports ordinary immune nutrition, and regular supplementation may modestly shorten colds. That evidence does not establish infection prevention or treatment of an established cold. The selected serving is compared with regular-use exposures without assuming a daily regimen, and buffered, ester or time-release descriptions do not establish superior clinical benefit.
How this product is rated for Immunity
Ingredient fit74
Relevant ingredients connect the product to immune support, with the strength of the amount finding depending on the selected serving.
Goal fit
The relevant ingredient contribution gives this product a focused connection to immune support.
Dose adequacy
The selected serving provides partial contributions across the relevant comparison amounts, without establishing a proven clinical response threshold.
Pathways40
The strongest saved finding concerns innate immune-cell activity. Substantial coverage is concentrated in this area.
Depth
The strongest saved finding concerns innate immune-cell activity; it does not by itself establish fewer infections.
Breadth
Substantial coverage is concentrated in one immune area.
Evidence100
Vitamin C provides the leading saved evidence finding. Supplied clinical qualifications determine which benefits can be expected.
Evidence strength
Vitamin C leads the saved evidence finding; its clinical meaning remains bounded by the supplied nutrient or preparation-specific evidence.
Studied preparation
The saved preparation criteria are met, without establishing superiority of the supplied forms or transferability of every clinical outcome.
Formulation logic100
The relevant ingredients have the partners they require, no configured conflict was found, and included amounts meet the minimum saved comparison.
Partner coverage
Relevant ingredients can contribute independently or have their required partners present; an extra combination benefit is not established.
Conflicts
No configured conflict was identified among the supplied ingredients.
Effective doses
The included ingredients meet the saved minimum amount comparison; this does not establish proven clinical efficacy at those amounts.
Impact
High effect
Vitamin C · 500 mg
Vitamin C supports collagen formation and wound healing when intake is inadequate; deficiency can cause fragile capillaries and skin bleeding. The declared 500 mg serving receives full amount-based recognition, without established extra skin improvement when intake is sufficient. The branded or buffered preparation does not establish a separate cosmetic advantage.
How this product is rated for Skin Health
Ingredient fit80
Several recognized ingredients sit within a formula serving other purposes, limiting its focus on skin. Vitamin C receives full amount-based recognition; higher intake does not establish extra cosmetic benefit.
Goal fit
Several recognized ingredients sit within a formula serving other purposes, limiting its focus on skin.
Dose adequacy
Vitamin C receives full amount-based recognition; higher intake does not establish extra cosmetic benefit.
Pathways0
No direct coverage is assigned to the assessed skin pathways; nutritional deficiency support is considered separately.
Depth
No direct coverage is assigned to the assessed skin pathways; nutritional deficiency support is considered separately.
Breadth
No assessed area meets the saved coverage criterion.
Evidence100
Vitamin C's relevant evidence concerns deficiency-related collagen and healing problems, rather than extra skin improvement in adequately nourished adults.
Evidence strength
Vitamin C's relevant evidence concerns deficiency-related collagen and healing problems, rather than extra skin improvement in adequately nourished adults.
Studied preparation
The saved result recognizes the retained preparations; this does not expand the benefits established by the supplied scientific context.
Formulation logic100
No required partner is missing and no configured conflict was matched. All ingredients retained for this check meet its minimum amount criterion; this is not proof of clinical efficacy.
Partner coverage
No required partner is missing for the recognized ingredients; normal nutrient relationships do not establish extra benefit.
Conflicts
No configured conflict was matched in the supplied facts; this does not establish general safety.
Effective doses
All ingredients retained for this check meet its minimum amount criterion; this is not proof of clinical efficacy.
Impact
Moderate effect
Vitamin C · 500 mg
Vitamin C provides nutritional support for normal antioxidant defence and immune function. The 500 mg serving can help cover intake needs, without an assumed extra benefit from the particular ascorbate forms or the larger amount.
How this product is rated for Everyday Health
Ingredient fit60
The assessed formula has a substantial everyday nutritional connection alongside other uses. The assessed amounts provide partial alignment with the saved exposure comparisons.
Goal fit
The assessed formula has a substantial everyday nutritional connection alongside other uses.
Dose adequacy
The assessed amounts provide partial alignment with the saved exposure comparisons.
Pathways17
The strongest assessed connection is antioxidant and immune defence, with limited coverage. None of the assessed mechanisms reaches the saved coverage threshold.
Depth
The strongest assessed connection is antioxidant and immune defence, with limited coverage.
Breadth
None of the assessed mechanisms reaches the saved coverage threshold.
Evidence74
Vitamin C provides the strongest saved evidence connection at the assessed amounts; the finding does not promise broad health improvement. The ingredients included in the saved effective-amount comparison meet its preparation criteria; no extra benefit from a named form is implied.
Evidence strength
Vitamin C provides the strongest saved evidence connection at the assessed amounts; the finding does not promise broad health improvement.
Studied preparation
The ingredients included in the saved effective-amount comparison meet its preparation criteria; no extra benefit from a named form is implied.
Formulation logic100
The assessed ingredients can stand alone or have the required partner present. No configured ingredient conflicts were identified. 1 of 1 assessed ingredients meet the saved minimum exposure comparison, which does not guarantee an effect.
Partner coverage
The assessed ingredients can stand alone or have the required partner present.
Conflicts
No configured ingredient conflicts were identified.
Effective doses
1 of 1 assessed ingredients meet the saved minimum exposure comparison, which does not guarantee an effect.
Impact
Moderate effect
Vitamin C · 500 mg
Vitamin C at 500 mg provides antioxidant support relevant to oxidative stress. The supplied inflammation findings are stronger in people with elevated starting markers than in unselected adults, and the named vitamin C form does not establish an added inflammation advantage.
How this product is rated for Inflammation
Ingredient fit60
The formula includes relevant ingredients alongside a broader range of purposes. The assessed amounts provide a partial match to the saved dose comparisons.
Goal fit
The formula includes relevant ingredients alongside a broader range of purposes.
Dose adequacy
The assessed amounts provide a partial match to the saved dose comparisons.
Pathways17
The strongest assessed connection is to oxidative and mitochondrial stress, with limited coverage in the saved findings. The saved findings show limited breadth across the main inflammation mechanisms.
Depth
The strongest assessed connection is to oxidative and mitochondrial stress, with limited coverage in the saved findings.
Breadth
The saved findings show limited breadth across the main inflammation mechanisms.
Evidence87
Vitamin C provides the strongest assessed evidence in the formula, with relevant but qualified support for this goal. The assessed ingredients at relevant amounts match preparations recognized in the saved findings.
Evidence strength
Vitamin C provides the strongest assessed evidence in the formula, with relevant but qualified support for this goal.
Studied preparation
The assessed ingredients at relevant amounts match preparations recognized in the saved findings.
Formulation logic100
All assessed contributors meet the saved minimum amount comparison. No ingredient conflicts were identified in the saved assessment.
Partner coverage
The assessed ingredients can contribute independently or have their required partner present.
Conflicts
No ingredient conflicts were identified in the saved assessment.
Effective doses
All assessed contributors meet the saved minimum amount comparison.
Impact
High effect
Vitamin C · 500 mg
Vitamin C contributes to the antioxidant aspect of the formula. Its eye-health evidence comes from a defined combination used in selected people with AMD, so this serving alone does not establish improved routine vision or disease prevention.
How this product is rated for Eye Health
Ingredient fit80
The connection is concentrated in the counted nutrients, with expectations limited by their supplied evidence.
Goal fit
The formula includes relevant nutrients alongside other actives, so its focus extends beyond vision.
Dose adequacy
The counted ingredient amounts reach the saved reference range; that does not establish a proven routine-vision dose.
Pathways47
The recorded pattern emphasizes retinal and lens antioxidant defense. These pathway findings do not establish equivalent improvements in everyday vision.
Depth
The strongest recorded coverage concerns retinal and lens antioxidant defense, without establishing a matching clinical improvement.
Breadth
Recorded coverage is concentrated in retinal and lens antioxidant defense, leaving other visual functions unaddressed.
Evidence68
Vitamin C has evidence within a defined AMD combination, which does not establish standalone routine vision improvement.
Evidence strength
Vitamin C anchors this finding, but its supplied limitations still govern what vision benefits can be expected.
Studied preparation
The counted preparations meet the saved comparison criteria; this does not establish that the complete product was clinically tested.
Formulation logic100
The counted ingredients meet the saved amount and partner criteria, with no matching high-zinc concern.
Partner coverage
The counted ingredients meet the saved partner conditions; this does not establish added benefit from combining them.
Conflicts
The supplied amounts do not trigger the specific high-zinc-without-copper concern.
Effective doses
All counted ingredients meet the saved minimum amount criterion; this is not proof of a clinically effective vision dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Calcium Ascorbate, Strontium Calcium Ascorbate) | 500 mg | |
Bioflavonoid Concentrate (Citrus) | 200 mg | |
Vitamin C Support Base | 25 mg |
A capsule supplies 500 mg of vitamin C from buffered mineral ascorbate sources. The amounts from each source are unspecified, and the whole-product price works out to about $0.36 per gram of vitamin C.
How this ingredient is rated
Active Ingredient Quality & Bioavailability83
The listed sources are buffered mineral ascorbates. Their proportions are not disclosed, and the product is described as gentle on the stomach.
Vitamin C Chemical Form & Delivery System
The listed sources are calcium ascorbate and calcium strontium ascorbate; their proportions are not disclosed.
Gastric Comfort & pH Balance
The mineral ascorbate sources are buffered, and the product is described as gentle on the stomach.
Dose, Safety & Label Transparency83
The serving provides 500 mg of vitamin C. The associated calcium amount is not in the recorded facts.
Optimal Dosage Targeting
A serving provides 500 mg of vitamin C.
Purity & Excipient Quality
The evaluation identifies standard excipients in the other ingredients.
Mineral & Source Transparency
The vitamin C amount is given, but the associated calcium amount is not in the recorded facts.
Value50
At the whole-product price, vitamin C works out to about $0.36 per gram.
Price per Gram of Vitamin C
At the whole-product price, vitamin C works out to about $0.36 per gram.
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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.