🟢 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

📸

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Label Data

2 Tablet(s) Serving Size
45 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
300 mg (333% DV)
250 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 250mg
100 mg
📊 Market median: 200.0mg (136 products) 📚 3 studies — no high-quality reviews
This product: 100mg

Other Ingredients

Dicalcium Phosphate Microcrystalline Cellulose Stearic Acid Cellulose Silica Magnesium Stearate Hydroxypropyl Methylcellulose Pharmaceutical Glaze

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (84% of products) Nutrient (23% of products) Qualified Health (1% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) No Allergies Gluten Free

Product Information

📋 Directions for Use

Directions: Two tablets once daily or as directed by your healthcare professional.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

Free from artificial colors and artificial preservatives. Free from all the major allergens identified in the U.S. Food Allergen Labeling and Consumer Protection Act.

Vegetarian

Gluten Free

Immune Support

Additional Information

Keep tightly closed in a cool, dry place.

Product Details

UPC / SKU 0 97467 02564 6
DSLD Entry Date 2023-11-22
Product Type Other Combinations
Form Tablet or Pill
Brand NaturesPlus
DSLD ID 303208
Data Updated 2026-04-11

Research Evidence

184 Research Sources
55 Avg Quality Score
91 Systematic Review
75 Meta Analysis
7 Rct
7 Clinical Trial
2 Cochrane Review
1 Openfda Safety
B Treatment of gouty arthritis with traditional Chinese medicine decoction: Meta-analysis, network pharmacology analysis, and molecular docking
Meta Analysis Medicine 2024
B Effects of quercetin supplementation on lipid profile: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2017
B Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
Meta Analysis BMC endocrine disorders 2024
B Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Meta Analysis Medicine and science in sports and exercise 2011
B Dietary flavonoid intake and smoking-related cancer risk: a meta-analysis
Meta Analysis PloS one 2013
B Clinical efficacy evaluation and potential mechanism prediction on Guizhi-Shaoyao-Zhimu decoction in the treatment of gouty arthritis based on meta-analysis, network pharmacology analysis, and molecular docking
Meta Analysis Medicine 2023
B A Systematic Review: Quercetin-Secondary Metabolite of the Flavonol Class, with Multiple Health Benefits and Low Bioavailability
Systematic Review International journal of molecular sciences 2024
B Dietary flavonoid for preventing colorectal neoplasms.
Cochrane Review The Cochrane database of systematic reviews
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews
B The effects of quercetin supplementation on lipid profiles and inflammatory markers among patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2020
View all evidence for Quercetin →

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