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Citrus Bioflavonoids

Antioxidant

Also known as: Bioflavonoids, Hesperidin, Rutin, Quercetin, Citrus flavonoids

B
Grade B
💊 250-1000 mg daily🎯 4 primary uses🔗 3 synergies⚠️ Review warnings

Overview

Plant compounds from citrus fruits that enhance vitamin C absorption and provide antioxidant, anti-inflammatory, and vascular support benefits.

Primary Uses
Vitamin C enhancementVascular healthCapillary strengthAntioxidant support

Frequently Asked About Citrus Bioflavonoids

How much Citrus Bioflavonoids should I take?
The typical effective range is 250-1000 mg daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Citrus Bioflavonoids?
With vitamin C. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Citrus Bioflavonoids with food?
Optional.
Does Citrus Bioflavonoids interact with medications?
Yes — known interactions include May affect drug metabolism minimally. If you take any prescription medication, talk to your doctor or pharmacist before starting Citrus Bioflavonoids.
What does Citrus Bioflavonoids pair well with?
Citrus Bioflavonoids stacks well with Vitamin C, Quercetin, and Other antioxidants — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Citrus Bioflavonoids?
Citrus Bioflavonoids should be avoided or used with caution by people with None known. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Citrus Bioflavonoids?
Most people tolerate Citrus Bioflavonoids well. The most commonly reported side effects are Generally well tolerated. Side effects are usually dose-dependent — lowering the dose often resolves them.

Dosage

Typical range
250-1000 mg daily
Timing
With vitamin C
With food
Optional
Duration

Safe long-term

Special Populations

Those taking vitamin C supplements

Research & Studies

Search the literature now

We haven’t curated landmark studies for Citrus Bioflavonoidsyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.

Browse all curated studies →

Mechanism of Action

  • Enhance vitamin C absorption and retention
  • Strengthen capillary walls
  • Antioxidant and anti-inflammatory effects
  • Support collagen synthesis

Evidence Quality

Evidence Grade B

Synergistic with vitamin C; moderate evidence for vascular health

Safety & Contraindications

Serious Warnings
  • None significant
Contraindications
  • None known
Common Side Effects
  • Generally well tolerated
Pregnancy & Breastfeeding

Consult healthcare provider

Liver & Kidney Notes

Safe

Interactions

💊 Medications
  • May affect drug metabolism minimally
🧪 Supplements
  • Synergistic with vitamin C
🍽️ Food & Alcohol
  • Citrus fruits are natural source

Stacking & Synergies

Pairs Well With
Vitamin C Quercetin Other antioxidants
Avoid Combining With
None
Best Goal Synergies
Immune supportVascular healthAntioxidant protection

Buying Guide

What to Look For
  • Mixed bioflavonoid complex
  • Standardized content
Standardization Markers
Total bioflavonoid content
Adulteration risk
Low
Practical Notes
  • Often combined with vitamin C
  • Food sources include citrus pith and pulp
Tags
antioxidantvascularvitamin-c-enhanceranti-inflammatory

More in Antioxidant

Last reviewed: June 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, June). Citrus Bioflavonoids — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/citrus-bioflavonoids

Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.