Antioxidant
Vitexin + Isovitexin Isoflavones
Also known as: Vitexin, Isovitexin, C-glucosyl flavone
Vitexin and isovitexin are flavonoid compounds (specifically C-glycosyl flavones) with antioxidant properties found in various plants. In vitro and animal evidence suggests potential neuroprotective and anti-inflammatory effects, though human clinical data is limited.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Primary uses
- Antioxidant support
- Potential neuroprotection
- Anti-inflammatory support
How it works
- Free radical scavenging
- Antioxidant enzyme upregulation
- Potential GABA modulation (in vitro)
Dosage
- Typical range
- Typically 50-500 mg daily (as part of combination products)
- Timing
- With meals
- With food
- Recommended; may improve absorption
- Duration
- No established optimal duration; generally safe for prolonged use
- Special populations
- Insufficient data in pregnancy/lactation; use cautiously
Forms
- Standardized extract· 70/100
- Combination product· 70/100
Safety
Evidence notes
Primary evidence is from in vitro and animal models; human clinical trials are scarce or absent. Bioavailability and physiological relevance in humans unclear.
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.