Home/ Supplements/ Quercetin/ Citrus Bioflavonoids

Citrus Bioflavonoids

product on market Tablet or Pill Nature's Sunshine Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 25% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C and citrus bioflavonoids are supported by moderate evidence for antioxidant activity and immune function. Calcium and phosphorus provide essential structural support for bone health. Overall, clinical evidence for this specific combination is limited due to low evidence coverage.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Citrus Bioflavonoids
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
45
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)
Calcium
180 mg (14% DV)
140 mg (11% DV)
Within RDA (0.2× RDA) 13 studies (A:0, B:3)
Proprietary Blend
525 mg

Other Ingredients

Stearic Acid Cellulose Vegetable Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommended Use: Take 2 tablets daily with a meal.

Warnings & Precautions

Do not use if inner seal is missing or damaged.

Formulation Notes

We source the world's purest ingredients, no matter where they are grown, to ensure the active nutrients are delivered just as nature intended.

General nutrition support

Citrus Bioflavonoids with herbal extract Provides 500 mg of Vitamin C per tablet

Guaranteed pure

Additional Information

Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.

Ko Pareve (Kosher)

New look! Same great product

Herbal experts since 1972

Metadata

Product Details

UPC / SKU0 99904 01646 0
DSLD Entry Date2021-09-24
Product TypeOther Combinations
FormTablet or Pill
DSLD ID255224
Data Updated2026-04-11
Research

Research Evidence

184
Research Sources
55
Avg Quality
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 PubMed DOI
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 PubMed
B Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
Meta Analysis BMC endocrine disorders 2024 PubMed DOI
B Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Meta Analysis Medicine and science in sports and exercise 2011 PubMed DOI
B Dietary flavonoid intake and smoking-related cancer risk: a meta-analysis
Meta Analysis PloS one 2013 PubMed DOI
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 PubMed DOI
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 PubMed DOI
B Dietary flavonoid for preventing colorectal neoplasms.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
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 PubMed DOI
View all evidence for Quercetin →
Compare

Similar Products

View all Quercetin products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.