🟢 100/100

This product looks safe

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

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

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

Supplement Facts — Evidence Check

30 mg (333% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg
Wildcrafted Cinchona
300 mg
150 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 150mg

Other Ingredients

vegan Capsule

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (84% of products) Nutrient (48% of products)

Target Groups

Adult (18 - 50 Years)

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.

Product Details

UPC / SKU 6 30610 00621 7
DSLD Entry Date 2021-12-18
Product Type Other Combinations
Form Capsule
Brand Lidtke
DSLD ID 257309
Data Updated 2026-04-11

Research Evidence

397 Research Sources
55 Avg Quality Score
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
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
A Oral zinc for treating diarrhoea in children
Meta Analysis The Cochrane database of systematic reviews 2016
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2014
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
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2010
A Zinc supplements for preventing otitis media
Meta Analysis The Cochrane database of systematic reviews 2012
A Compression bandages or stockings versus no compression for treating venous leg ulcers
Meta Analysis The Cochrane database of systematic reviews 2021
A Zinc supplementation for mental and motor development in children
Meta Analysis The Cochrane database of systematic reviews 2012
A Zinc for the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
View all evidence for Zinc →

Compare Similar Products

View all Zinc products →