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Zinc with Cinchona Bark

product on market Capsule Lidtke Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Zinc and bromelain have moderate research support for supporting immune function and reducing inflammation. Cinchona bark contains alkaloids traditionally used for fever, though clinical evidence for its general use is limited. This combination is considered safe based on the current profile.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Zinc with Cinchona Bark
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

30 mg (333% DV)
2.7× RDA — within safe limits 263 studies (A:6, B:134)
Wildcrafted Cinchona
300 mg
150 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews

Other Ingredients

vegan Capsule
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions (Adults): Take one (1) capsule with food or beverage or as directed by a health-care professional.

Warnings & Precautions

Warning: Keep out of reach of children.

If you are pregnant, lactating, taking any medications or have a medical condition, consult your doctor.

Discontinue use if adverse reaction occurs. Do not use if seal is damaged or missing.

Adverse events may be reported above.

Formulation Notes

All Lidtke products are identity and purity validated in an FDA registered facility.

No added gluten, yeast, wheat, corn, soy, rice, dairy, eggs, tree nuts, peanuts, fish, shellfish, sugar, artificial color or flavor, or preservatives. Non-GMO

Superb Quality Since 1994

With Cinchona bark [Contains natural quinine] Wildcrafted

Purest on the planet

Additional Information

Thank you for choosing Lidtke Zinc with wildcrafted Cinchona Bark. We sincerely wish the best of health for you and your family. All profits go to the Lidtke Small Animal Foundation. For over 27 years, Lidtke has taken pride in providing the very finest quality nutrients.

Lidtke stands behind each product and guarantees customer satisfaction.

Keep lid tightly closed. Keep in a cool, dry place.

Metadata

Product Details

UPC / SKU6 30610 00621 7
DSLD Entry Date2021-12-18
Product TypeOther Combinations
FormCapsule
BrandLidtke
DSLD ID257309
Data Updated2026-04-11
Research

Research Evidence

397
Research Sources
55
Avg Quality
200
Meta Analysis
68
Rct
58
Systematic Review
53
Clinical Trial
9
Cochrane Review
2
Narrative Review
2
Regulatory Source
1
Observational
1
Other
1
Openfda Safety
A Zinc supplementation for improving pregnancy and infant outcome
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years
Narrative Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Oral zinc for treating diarrhoea in children
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Zinc for the prevention or treatment of acute viral respiratory tract infections in adults: a rapid systematic review and meta-analysis of randomised controlled trials
Meta Analysis BMJ open 2021 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2010 PubMed DOI
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Compression bandages or stockings versus no compression for treating venous leg ulcers
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Zinc supplementation for mental and motor development in children
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Zinc for the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.