Quercetin Zinc+

Quercetin Zinc+

DEVA4.7 (376 ratings)
Format:Tablet Quantity: 90 Tablet(s) · 90 servings
Goals
$19.99 $0.22 per serving

About this product

Zinc provides the clearest connection to normal immune and skin function, particularly when intake is low. Quercetin at 500 mg and the plant extracts do not establish extra routine immune benefits from this preparation, despite adding breadth to the formula.

The 25 mg zinc amount is clear, but the proportions of amino acid chelate and citrate are not. Copper is included at only about 0.23 mg, a small amount relative to zinc, so its presence should not be taken as proof that ongoing mineral balance is addressed.

The elderberry ingredient is identified as Sambucus nigra fruit extract, while echinacea and oregano have less complete preparation details. Moderate value for the zinc contribution is easier to assess than the added plants, and extra hair growth, testosterone or everyday vision improvement is unestablished when nutrition is adequate.

Who is it for
  • Adults needing zinc who specifically want quercetin alongside it and have reviewed total mineral intake
Best for
  • Supplying zinc when intake is low

Pros

  • Zinc and copper amounts are stated
  • Elderberry species and fruit part are identified
  • Individual listed ingredients have declared quantities

Cons

  • Zinc-source proportions are unknown
  • Echinacea and oregano preparation details are incomplete
  • The additional plants do not establish an extra routine immune benefit
  • Value for the full combination is less clear than for zinc alone

Warnings

  • The 25 mg zinc amount is paired with only about 0.23 mg copper; do not assume the copper addition resolves mineral balance when using it alongside other zinc supplements.

Product analysis

61 out of 100

Quercetin Zinc+ provides zinc and copper that support normal immune function when intake is low. Undisclosed proportions of its zinc sources make a detailed quality comparison harder.

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

Nutrient Quality53

The elderberry species and fruit preparation are clearly identified. Zinc combines forms of differing quality in undisclosed proportions, while several other ingredient forms remain uncertain.

Ingredient Transparency70

All amounts and most forms are listed, making serving comparisons straightforward. Zinc-source proportions are undisclosed, and two botanical preparations are unspecified.

Value For Money48

The serving cost offers reasonable value for zinc. Value for the other ingredients remains uncertain.

Customer Satisfaction77

Customer ratings are consistently very positive. A smaller collection of ratings gives a narrower view of customer satisfaction.

Product Focus66

Zinc supplies the clearest nutritional connection to immune, skin and hair functions. Additional benefits depend on nutritional needs, and routine preventive benefits from the botanical combination are unestablished.

Format
Tablet
Container
90 Tablet(s)
Per serving
$0.22
Customer rating
4.7 · 376 ratings
Report analysis

Goals

Immunity
Impact
High effect
B- Ingredient FitD+ PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 25 mgEuropean Elder · 50 mg
Study evidence
Zinc Supportive 73 studies
Everyday Health
Impact
High effect
C+ Ingredient FitD+ PathwaysB- EvidenceA+ Formulation Logic
Zinc · 25 mg
Study evidence
Zinc Supportive 60 studies
Testosterone Support
Impact
Moderate effect
C Ingredient FitF PathwaysA EvidenceA+ Formulation Logic
Zinc · 25 mg
Study evidence
Zinc Disputed 7 studies
Hair Health
Impact
Moderate effect
C+ Ingredient FitF PathwaysA+ EvidenceA+ Formulation Logic
Zinc · 25 mg
Study evidence
Copper Adverse 4 studies
Zinc Supportive 22 studies
Skin Health
Impact
Moderate effect
C+ Ingredient FitF PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 25 mgCopper · 0.23 mg
Study evidence
Copper Supportive 16 studies
Zinc Supportive 66 studies
Eye Health
Impact
Moderate effect
D Ingredient FitD- PathwaysB+ EvidenceA+ Formulation Logic
Zinc · 25 mgCopper · 0.23 mg
Study evidence
Copper Supportive 7 studies
Zinc Supportive 39 studies

Ingredients

IngredientAmount per servingScore
Zinc (Zinc Amino Acid Chelate, Zinc Citrate)
25 mg 59
Copper (Copper Amino Acid Chelate)
0.23 mg
Quercetin (Quercetin Dihydrate)
500 mg
Elderberry Fruit Extract (Sambucus nigra Fruit Extract)
50 mg 100
Echinacea purpurea root extract
25 mg
Oregano Leaf Extract
25 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
D Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyC Value
25 mg zinc per serving offers a clear zinc contribution at a moderate cost per serving. It uses Zinc Amino Acid Chelate and Zinc Citrate. The proportions of each form are unknown. It also contains 0.225 mg copper, giving a zinc-to-copper ratio of about 111.1:1.
How this ingredient is rated

Active Ingredient Quality & Bioavailability48

It uses Zinc Amino Acid Chelate and Zinc Citrate. The proportions of each form are unknown.
Zinc Form Bioavailability
It uses Zinc Amino Acid Chelate and Zinc Citrate. The proportions of each form are unknown.

Dose, Safety & Label Transparency70

It supplies 25 mg zinc per serving. It also contains 0.225 mg copper, giving a zinc-to-copper ratio of about 111.1:1.
Elemental Dose Transparency
The elemental zinc amount and its source are stated.
Zinc Dosage Safety & Effectiveness
It supplies 25 mg zinc per serving.
Zinc-to-Copper Mineral Balance
It also contains 0.225 mg copper, giving a zinc-to-copper ratio of about 111.1:1.

Value60

The cost per serving is moderate.
Price Per Serving Efficiency
The cost per serving is moderate.
A+ Composition And Label DisclosureA+ Composition And Label Disclosure
The serving lists 50 mg of Sambucus nigra Fruit Extract. A value comparison for elderberry is unavailable. The source is named as Sambucus nigra fruit extract.
How this ingredient is rated

Composition and Label Disclosure100

The source is named as Sambucus nigra fruit extract.
Botanical Identity Detail
The source is named as Sambucus nigra fruit extract.

Composition and Label Disclosure100

The serving lists 50 mg of Sambucus nigra Fruit Extract.
Actual Preparation Amount Disclosure
The serving lists 50 mg of Sambucus nigra Fruit Extract.

Commercial Price and Usability

A value comparison for elderberry is unavailable.
Report alternatives

Sources

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

  1. Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial.
    Tiralongo E; Wee SS; Lea RA · Nutrients · 2016
    Randomized trial312 participantsEveryday Health Immunity forEuropean Elder
  2. COVID-19: Is There Evidence for the Use of Herbal Medicines as Adjuvant Symptomatic Therapy?
    Silveira D; Prieto-Garcia JM; Boylan F; Estrada O; Fonseca-Bazzo YM; Jamal CM; Magalhães PO; Pereira EO; Tomczyk M; Heinrich M · Frontiers in pharmacology · 2023
    Narrative reviewEveryday Health forEuropean Elder
  3. Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
    Mohammadi F; Oshvandi K; Kamallan SR; Khazaei S; Ranjbar H; Ahmadi-Motamayel F; Gillespie M; Jenabi E; Vafaei SY · Nursing open · 2022
    Randomized trial144 participantsEveryday Health forZinc
  4. Zinc supplementation in young children with acute diarrhea in India.
    Sazawal S; Black RE; Bhan MK; Bhandari N; Sinha A; Jalla S · The New England journal of medicine · 1995
    Randomized trial937 participantsEveryday Health forZinc
  5. Associations of mortality with ocular disorders and an intervention of high-dose antioxidants and zinc in the Age-Related Eye Disease Study: AREDS Report No. 13.
    Clemons TE; Kurinij N; Sperduto RD; AREDS Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2004
    Randomized trial4,753 participantsEveryday Health forZinc
  6. Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
    Rezazadegan M; Soheilipour M; Amani R · Scientific reports · 2026
    Randomized trial84 participantsEveryday Health forZinc
  7. Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
    Siahbazi S; Behboudi-Gandevani S; Moghaddam-Banaem L; Montazeri A · The journal of obstetrics and gynaecology research · 2018
    Randomized trial142 participantsEveryday Health forZinc
  8. What did we learn in 35 years of research on nutrition and supplements for age-related macular degeneration: a systematic review.
    Pameijer EM; Heus P; Damen JAA; Spijker R; Hooft L; Ringens PJ; Imhof SM; van Leeuwen R · Acta ophthalmologica · 2023
    Systematic review27 studies pooledEye Health forCopper
  9. Dietary Nutrient Intake and Progression to Late Age-Related Macular Degeneration in the Age-Related Eye Disease Studies 1 and 2.
    Agrón E; Mares J; Clemons TE; Swaroop A; Chew EY; Keenan TDL; AREDS and AREDS2 Research Groups · Ophthalmology · 2021
    Cohort study8,242 participantsEye Health forCopper
  10. Association between late age-related macular degeneration and dietary intake of copper, iron, zinc and selenium: a 2005-2008 NHANES cross-sectional observational study.
    Lu Y; Li C; Liu Y; Wu T; Lu P · BMC ophthalmology · 2025
    Observational study4,996 participantsEye Health forCopper
  11. Associations between dietary nutrient intake and the risk of multiple age-related ocular diseases: evidence from longitudinal analysis.
    Yang Y; Zou H · The journal of nutrition, health & aging · 2026
    Cohort study103,192 participantsEye Health forCopper
  12. Dietary habits and dietary nutrient intake in patients with age-related macular degeneration: A case-control study.
    Šalková Kráľová J; Kolář P; Kapounová Z; Veselý P; Derflerová Brázdová Z · Central European journal of public health · 2023
    Case-control study151 participantsEye Health forCopper
  13. Antioxidant vitamin and mineral supplements for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2002
    Systematic review170 participants7 studies pooledEye Health forZinc
  14. Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration.
    Evans JR; Lawrenson JG · The Cochrane database of systematic reviews · 2023
    Meta-analysis3,790 participants5 studies pooledEye Health forZinc
  15. Oral zinc in macular degeneration.
    Newsome DA; Swartz M; Leone NC; Elston RC; Miller E · Archives of ophthalmology (Chicago, Ill. : 1960) · 1988
    Randomized trial151 participantsEye Health forZinc
  16. A randomized, placebo-controlled, clinical trial of high-dose supplementation with vitamins C and E, beta carotene, and zinc for age-related macular degeneration and vision loss: AREDS report no. 8.
    Age-Related Eye Disease Study Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2001
    Randomized trial3,640 participantsEye Health forZinc
  17. Effect of vitamin A and zinc supplementation on the nutriture of children in Northeast Thailand.
    Udomkesmalee E; Dhanamitta S; Sirisinha S; Charoenkiatkul S; Tuntipopipat S; Banjong O; Rojroongwasinkul N; Kramer TR; Smith JC · The American journal of clinical nutrition · 1992
    Randomized trial133 participantsEye Health forZinc
  18. Menkes disease and response to copper histidine: An Indian case series.
    Yoganathan S; Sudhakar SV; Arunachal G; Thomas M; Subramanian A; George R; Danda S · Annals of Indian Academy of Neurology · 2022
    Case series4 participantsHair Health forCopper
  19. Trace element levels in alopecia areata.
    Bhat YJ; Manzoor S; Khan AR; Qayoom S · Indian journal of dermatology, venereology and leprology · 2009
    Case-control study100 participantsHair Health forCopper
  20. UV damage to hair and the effect of antioxidants and metal chelators.
    Millington KR; Marsh JM · International journal of cosmetic science · 2021
    In vitro / ex vivo studyHair Health forCopper