AlphaSorb-C 500

AlphaSorb-C 500

NOW4.8 (413 ratings)
Format:Capsule Quantity: 180 Capsule(s) · 180 servings
Goals
$20.18 $0.11 per serving

Product analysis

52 out of 100

AlphaSorb-C 500 offers vitamin C to help fill dietary gaps and support normal immune function and collagen formation. Its unnamed blend components make it harder to know exactly what the added ingredients contribute.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality33

The named vitamin C and calcium forms do not establish better absorption or results. Several added ingredients lack clear forms, so their quality is harder to judge.

Ingredient Transparency63

Amounts are stated for all listed ingredients, which helps you compare servings. Several forms and the proprietary blend components are unnamed, limiting how closely you can compare the formula.

Value For Money59

Vitamin C and rutin offer favorable value at the whole-product cost. Value for the other ingredients remains uncertain, so they cannot confidently justify paying more.

Customer Satisfaction78

Customer feedback is very positive across several hundred ratings. That gives a useful picture of satisfaction, without showing whether the supplement improves health.

Product Focus39

Vitamin C provides a clear nutritional purpose across immune, skin and general health needs. The unnamed blend makes the full formula less easy to judge, and extra benefits depend on whether intake is low.

Format
Capsule
Container
180 Capsule(s)
Per serving
$0.11
Customer rating
4.8 · 413 ratings
Report analysis

Goals

Everyday Health
Impact
Moderate effect
D Ingredient FitF PathwaysB- EvidenceA+ Formulation Logic
Vitamin C · 500 mg

Vitamin C at 500 mg offers nutritional support that may help fill a dietary gap, with a small additional calcium contribution. The supplied evidence does not show extra everyday-health benefit simply from using larger amounts or a particular delivery form.

How this product is rated for Everyday Health

Ingredient fit46

Relevant ingredients are part of a broader formula with other purposes. The assessed amounts provide partial to substantial support against the saved benchmarks.
Goal fit
Relevant ingredients are part of a broader formula with other purposes.
Dose adequacy
The assessed amounts provide partial to substantial support against the saved benchmarks.

Pathways17

The strongest saved contribution relates to antioxidant and immune defence.
Depth
The strongest saved contribution relates to antioxidant and immune defence.
Breadth
Support is too limited to provide broad coverage across the assessed health roles.

Evidence74

Vitamin C provides the strongest evidence contribution in the saved assessment; the practical benefit remains dependent on context.
Evidence strength
Vitamin C provides the strongest evidence contribution in the saved assessment; the practical benefit remains dependent on context.
Studied preparation
The ingredient preparations assessed at relevant amounts match those recognized in the saved findings.

Formulation logic100

The assessed ingredients can contribute independently or have their required partner.
Partner coverage
The assessed ingredients can contribute independently or have their required partner.
Conflicts
No configured ingredient conflicts were identified in the saved findings.
Effective doses
All assessed ingredients reach the saved minimum amount threshold.
Study evidence
Vitamin C Supportive 56 studies
Immunity
Impact
High effect
C- Ingredient FitD- PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 500 mg

Vitamin C contributes to normal immune-cell function. Regular supplementation has limited support for modestly shorter colds, rather than preventing infection or treating an established cold; one selected serving does not establish regular daily use. The supplied facts do not establish superior benefit from buffered, ester or enhanced preparations. The selected amount contributes partly to the saved amount comparison.

How this product is rated for Immunity

Ingredient fit60

Relevant ingredients contribute to the immune goal, while additional actives make the formula less focused on these functions.
Goal fit
Relevant ingredients contribute to the immune goal, while additional actives make the formula less focused on these functions.
Dose adequacy
The relevant amounts contribute partly to the saved comparisons, with unresolved quantities contributing less.

Pathways40

The strongest represented area is the activity of first-response immune cells. The saved findings are concentrated in one immune function, giving limited breadth.
Depth
The strongest represented area is the activity of first-response immune cells.
Breadth
The saved findings are concentrated in one immune function, giving limited breadth.

Evidence100

Vitamin C leads the saved evidence finding, with bounded regular-use cold-duration evidence rather than proven infection prevention.
Evidence strength
Vitamin C leads the saved evidence finding, with bounded regular-use cold-duration evidence rather than proven infection prevention.
Studied preparation
The counted preparations match the saved preparation finding; this does not establish superior benefit from particular forms or delivery.

Formulation logic100

The counted ingredients have their relevant partners or contribute independently, and no listed formulation conflict was triggered.
Partner coverage
The counted ingredients can contribute independently or have their relevant partners; an extra combined benefit is not established.
Conflicts
No listed formulation conflict was triggered; this does not establish safety of the whole product.
Effective doses
The counted ingredients reach the saved minimum amount comparison, which is not a proven clinical benefit threshold.
Study evidence
Vitamin C Supportive 53 studies
Skin Health
Impact
High effect
C+ Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Vitamin C · 500 mg

Vitamin C supports collagen formation and helps restore wound healing when intake is deficient. Extra vitamin C has no established skin benefit when intake is adequate, and larger serving amounts do not demonstrate greater improvement.

How this product is rated for Skin Health

Ingredient fit69

The relevant connection is mainly nutritional support or limited surrogate evidence, rather than established cosmetic improvement.
Goal fit
The relevant connection is mainly nutritional support or limited surrogate evidence, rather than established cosmetic improvement.
Dose adequacy
The declared amounts support the saved exposure comparison; larger nutrient amounts do not establish extra benefit when intake is adequate.

Pathways0

No direct skin route received coverage; nutritional roles remain distinct from demonstrated cosmetic effects.
Depth
No direct skin route received coverage; nutritional roles remain distinct from demonstrated cosmetic effects.
Breadth
No route reaches the supplied coverage benchmark.

Evidence100

Deficiency-related skin roles are clearer than added benefits in adequately nourished adults.
Evidence strength
Deficiency-related skin roles are clearer than added benefits in adequately nourished adults.
Studied preparation
The supplied preparation finding does not establish superiority of a nutrient form or equivalence to a different studied blend.

Formulation logic100

The supplied findings identify no required missing partner or specified conflict. Amount comparisons do not establish combination benefits.
Partner coverage
No missing required partner limits the eligible ingredients; no automatic combination benefit follows.
Conflicts
No specified ingredient conflict was identified in the supplied findings.
Effective doses
The included ingredients meet the supplied minimum exposure comparison; this is not a proven clinical benefit threshold.
Study evidence
Vitamin C Supportive 53 studies
Impact
High effect
C+ Ingredient FitD PathwaysC+ EvidenceA+ Formulation Logic
Vitamin C · 500 mg

Vitamin C supports antioxidant functions, while the eye-disease findings concern a defined combination in selected AMD populations rather than vitamin C alone improving routine vision.

How this product is rated for Eye Health

Ingredient fit66

Rutin and Vitamin C provide the saved connections, with usable serving amounts determining the extent of the comparison.
Goal fit
Relevant nutrients sit within a broader formula containing ingredients directed at other goals.
Dose adequacy
The declared serving amounts provide uneven contributions; the amount comparison does not establish a proven vision-support dose.

Pathways47

The represented areas describe the supplied eye-related ingredient roles, without establishing prevention or treatment of eye disease.
Depth
The strongest represented area is retinal and lens antioxidant defense. This describes ingredient roles rather than demonstrated improvement in vision.
Breadth
The represented areas meeting the comparison threshold are retinal and lens antioxidant defense.

Evidence68

The supplied human findings concern selected visual-performance outcomes or defined clinical combinations, limiting transfer to routine adult vision support.
Evidence strength
Vitamin C supplies the leading evidence contribution, with benefits limited by the populations and outcomes studied.
Studied preparation
The qualifying ingredient preparations match the saved comparison; this does not extend results to routine adult vision improvement.

Formulation logic100

The supplied partner and ingredient-conflict checks concern formulation compatibility rather than clinical eligibility for an eye-health regimen.
Partner coverage
The contributing ingredients can act independently or have the partners required by the supplied findings.
Conflicts
No configured ingredient conflict was identified; this is a limited interaction check.
Effective doses
All contributing ingredients meet the amount threshold used for this comparison, which is not a proven vision-support dose.
Study evidence
Rutin Not classified 1 study
Vitamin C Disputed 24 studies
Impact
Moderate effect
D Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Vitamin C · 500 mg

Vitamin C may help lower an inflammation marker when it is already elevated, but that doesn't mean you'll notice less pain or inflammation. The benefit is unclear for people without elevated inflammation. Its antioxidant role provides relevant context, while the amount in a serving alone cannot tell you whether it will improve symptoms.

How this product is rated for Inflammation

Ingredient fit49

Vitamin C has a possible connection with elevated inflammation markers.
Goal fit
Vitamin C has a possible connection with elevated inflammation markers.
Dose adequacy
The selected serving supplies Rose Hip 25 mg, Rutin 25 mg, Vitamin C 500 mg. These amounts are comparisons, not guarantees of symptom relief.

Pathways17

The connection concerns processes involved in inflammation; it does not predict a noticeable reduction in pain or other symptoms.
Depth
The strongest connection concerns oxidative and mitochondrial stress, a process involved in inflammation rather than a prediction of symptom relief.
Breadth
The ingredients provide a limited connection across different inflammation processes.

Evidence87

Vitamin C may help lower an inflammation marker when it is already elevated, but that doesn't mean you'll notice less pain or inflammation. The benefit is unclear for people without elevated inflammation.
Evidence strength
Vitamin C has a possible effect on elevated inflammation markers, without a clear general symptom benefit.
Studied preparation
The named ingredient forms are compatible with the preparation context used here; that does not guarantee the same practical benefit.

Formulation logic100

No particular ingredient conflict is identified. A required extra partner is not identified for the ingredients with a contribution.
Partner coverage
No required additional ingredient partner is identified for the ingredients with a contribution.
Conflicts
No particular conflict between the ingredients is identified.
Effective doses
The relevant ingredients have declared amounts within their comparison ranges; this does not guarantee that they improve symptoms.
Study evidence
Rutin Supportive 6 studies
Vitamin C Supportive 50 studies

Ingredients

IngredientAmount per servingScore
Vitamin C (Threonic Acid enhanced buffered Calcium Ascorbate)
500 mg 85
Calcium (Calcium Ascorbate)
60 mg
Transport C-PLUS
650 mg
Citrus Bioflavonoid Complex
100 mg
Acerola powder
25 mg 20
Rose Hips
25 mg
Rutin powder (Sophora japonica)
25 mg 92
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
B+ Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value
A serving provides 500 mg of vitamin C as buffered calcium ascorbate. The whole product costs about $0.22 per gram of vitamin C.
How this ingredient is rated

Active Ingredient Quality & Bioavailability83

The vitamin C comes from calcium ascorbate, a buffered mineral form.
Vitamin C Chemical Form & Delivery System
The vitamin C form is calcium ascorbate.
Gastric Comfort & pH Balance
Calcium Ascorbate is a buffered mineral form.

Dose, Safety & Label Transparency91

A serving provides 500 mg of vitamin C.
Optimal Dosage Targeting
A serving provides 500 mg of vitamin C.
Purity & Excipient Quality
Standard excipients are recorded; no flagged artificial colors or sweeteners are recorded.
Mineral & Source Transparency
Vitamin C and product calcium amounts are recorded; not all of the calcium necessarily comes from calcium ascorbate.

Value80

The whole product costs about $0.22 per gram of vitamin C.
Price per Gram of Vitamin C
The whole product costs about $0.22 per gram of vitamin C.
A+ Composition And Label DisclosureB Commercial Price And Usability
The serving has a declared 25 mg of rutin. The estimated whole-product cost is $0.45 per 100 mg of declared rutin preparation.
How this ingredient is rated

Composition and Label Disclosure

No additional composition or absorption factors were evaluated.

Composition and Label Disclosure100

The saved information reports 25 mg of active rutin per serving.
Declared Active Rutin Amount
The declared active rutin amount is 25 mg per serving.

Commercial Price and Usability75

A whole-product serving costs about $0.11 and contains 25 mg of declared rutin preparation.
Whole-Product Cost per 100 mg Declared Rutin Preparation
The estimated whole-product cost is $0.45 per 100 mg of declared rutin preparation.
Acerola · 25 mg OverallScore20
F Composition And Label DisclosureF Composition And Label Disclosure
Each serving lists 25 mg of acerola. The saved facts do not identify its species or give a source-specific vitamin C concentration.
How this ingredient is rated

Composition and Label Disclosure20

The saved facts do not provide an extract ratio or source-specific vitamin C percentage or yield.
Marker and Preparation Disclosure
The saved facts do not provide an extract ratio or source-specific vitamin C percentage or yield.

Composition and Label Disclosure20

The saved facts record 25 mg of acerola but do not link a botanical species and plant part to the acerola amount.
Acerola Botanical Identity Disclosure
The saved facts record 25 mg of acerola but do not link a botanical species and plant part to the acerola amount.

Commercial Price and Usability

A price comparison was not included in the evaluation.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. 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.
    Aune D; Keum N; Giovannucci E; Fadnes LT; Boffetta P; Greenwood DC; Tonstad S; Vatten LJ; Riboli E; Norat T · The American journal of clinical nutrition · 2019
    Meta-analysis69 studies pooledEveryday Health forVitamin C
  2. 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.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusEveryday Health forVitamin C
  3. Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients.
    Sotomayor CG; Eisenga MF; Gomes Neto AW; Ozyilmaz A; Gans ROB; Jong WHA; Zelle DM; Berger SP; Gaillard CAJM; Navis GJ; Bakker SJ · Nutrients · 2018
    Cohort study598 participantsEveryday Health forVitamin C
  4. 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.
    Pu L; Zhang R; Wang X; Zhao T; Sun H; Han L · Frontiers in nutrition · 2022
    Cohort study12,530 participantsEveryday Health forVitamin C
  5. 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.
    Khaw KT; Bingham S; Welch A; Luben R; Wareham N; Oakes S; Day N · Lancet (London, England) · 2001
    Cohort study19,496 participantsEveryday Health forVitamin C
  6. A randomized, double-masked study on the treatment of retinal vein occlusion with troxerutin
    Glacet-Bernard A, Coscas G, Chabanel A, Zourdani A, Lelong F, Samama MM · American Journal of Ophthalmology · 1994
    Randomized trial53 participantsEye Health forRutin
  7. Role of Oral Vitamin 'C' on Astigmatic Errors in Phacoemulsification.
    Mohan S; Sah K; Khattri M; Ahmad L; Sachan SK · Current eye research · 2021
    Randomized trial400 participantsEye Health forVitamin C
  8. Ascorbic acid metabolites are involved in intraocular pressure control in the general population.
    Hysi PG; Khawaja AP; Menni C; Tamraz B; Wareham N; Khaw KT; Foster PJ; Benet LZ; Spector TD; Hammond CJ · Redox biology · 2019
    Observational studyEye Health forVitamin C
  9. Nutritional modulation of cataract.
    Weikel KA; Garber C; Baburins A; Taylor A · Nutrition reviews · 2014
    Narrative reviewEye Health forVitamin C
  10. Dietary n-3 Fatty Acid, α-Tocopherol, Zinc, vitamin D, vitamin C, and β-carotene are Associated with Age-Related Macular Degeneration in Japan.
    Aoki A; Inoue M; Nguyen E; Obata R; Kadonosono K; Shinkai S; Hashimoto H; Sasaki S; Yanagi Y · Scientific reports · 2017
    Case-control study530 participantsEye Health forVitamin C
  11. Adherence to a Mediterranean diet, lifestyle and age-related macular degeneration: the Coimbra Eye Study - report 3.
    Raimundo M; Mira F; Cachulo MDL; Barreto P; Ribeiro L; Farinha C; Laíns I; Nunes S; Alves D; Figueira J; Merle BM; Delcourt C; Santos L; Silva R · Acta ophthalmologica · 2019
    Case-control study883 participantsEye Health forVitamin C
  12. 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.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusImmunity forVitamin C
  13. Therapeutic effects of high-dose vitamin C supplementation in patients with COVID-19: a meta-analysis.
    Sun L; Zhao JH; Fan WY; Feng B; Liu WW; Chen RQ; Ban C; Dang AG; Wang M; Luo KT; Zhou GY; Yu FF; Ba Y · Nutrition reviews · 2024
    Meta-analysis2,334 participants14 studies pooledImmunity forVitamin C
  14. Effect of micronutrient supplements on influenza and other respiratory tract infections among adults: a systematic review and meta-analysis.
    Abioye AI; Bromage S; Fawzi W · BMJ global health · 2021
    Meta-analysisImmunity forVitamin C
  15. New evidence for antioxidant properties of vitamin C.
    Vojdani A; Bazargan M; Vojdani E; Wright J · Cancer detection and prevention · 2001
    Randomized trial20 participantsImmunity forVitamin C
  16. Enhanced Vitamin C Delivery: A Systematic Literature Review Assessing the Efficacy and Safety of Alternative Supplement Forms in Healthy Adults.
    Calder PC; Kreider RB; McKay DL · Nutrients · 2025
    Systematic review13 studies pooledImmunity forVitamin C
  17. The effects of rutin flavonoid supplement on glycemic status, lipid profile, atherogenic index of plasma, brain-derived neurotrophic factor (BDNF), some serum inflammatory, and oxidative stress factors in patients with type 2 diabetes mellitus: A double-blind, placebo-controlled trial.
    Bazyar H; Moradi L; Zaman F; Zare Javid A · Phytotherapy research : PTR · 2023
    Randomized trial50 participantsInflammation forRutin
  18. Rutin ameliorates inflammation and improves metabolic function: A comprehensive analysis of scientific literature.
    Muvhulawa N; Dludla PV; Ziqubu K; Mthembu SXH; Mthiyane F; Nkambule BB; Mazibuko-Mbeje SE · Pharmacological research · 2022
    Systematic reviewInflammation forRutin
  19. Rutin-loaded chitosan microspheres: Characterization and evaluation of the anti-inflammatory activity.
    Cosco D; Failla P; Costa N; Pullano S; Fiorillo A; Mollace V; Fresta M; Paolino D · Carbohydrate polymers · 2018
    OtherInflammation forRutin
  20. Oral enzyme combination therapy reduces systemic inflammation, urinary CTXII and pain in knee osteoarthritis: a proof-of-mechanism, randomised, crossover, double-blind, placebo-controlled trial.
    Henrotin Y; Pap T; Lieten S; Badot V; Dubuc JE; Urbin-Choffray D; von Eynatten M; Johansen OE; Rau S; Brabants K · RMD open · 2025
    Randomized trial45 participantsInflammation forRutin