🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

📸

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Label Data

1 Tablet(s) Serving Size
90 Servings
Other Combinations Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1110% DV)
In a base that contains
640 mg

Other Ingredients

Microcrystalline Cellulose Stearic Acid Croscarmellose Sodium Vegetable Magnesium Stearate Silicon Dioxide natural Caramel color Pharmaceutical Glaze Magnesium Silicate

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

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions: Adults - Take one tablet daily, preferably with food, as a dietary supplement.

⚠️ Warnings & Precautions

Caution: If you are pregnant, nursing, taking any medications or have a medical condition, consult your physician before use.

Discontinue use and consult your physician if any adverse reactions occur.

Keep out of reach of children.

Tamper-Evident Seal: Do not use product if seal appears tampered.

🧪 Formulation Notes

Antioxdant & immune health support

Guaranteed no added: Sugar, Starch, Yeast, Soy, Wheat, Dairy, Gluten, Fish, Tree Nuts, Peanuts, Egg, Fragrance, Artificial Flavors, Preservatives, Animal Products, Crustacean Shellfish. Sodium Free.

Gluten free Soy free

Additional Information

Mason Guarantee Laboratory tested cGMP Certified Good Manufacturing Practice

Certified N Mason natural Est. 1967 New

Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).

Please recycle

Product Details

UPC / SKU 3 11845 11739 7
DSLD Entry Date 2021-03-25
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 244643
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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