Ecklonia Cava
A deep-sea brown algae with unique polyphenols that persist in the body 10x longer than land-based antioxidants.
Also known as: Brown Algae Extract • Seanol
Overview
Ecklonia cava is a species of brown algae found in deep waters off Japan and Korea. Its unique phlorotannin polyphenols are both water- and fat-soluble, allowing them to cross cell membranes and persist in the body for up to 12 hours.
Key Benefits
Long-Lasting Antioxidant
Phlorotannins remain active for up to 12 hours, far longer than typical polyphenols.
Cardiovascular Support
Improvements in blood flow, cholesterol, and blood pressure.
Sleep Quality
Clinical trials show improved sleep onset and quality.
Anti-Inflammatory
Inhibits multiple inflammatory pathways including NF-kB.
Dosage & How to Take
72-144 mg of standardized extract daily.
| Purpose | Dose | Notes |
|---|---|---|
| Antioxidant support | 72 mg/day | Standardized extract |
| Sleep and cardiovascular | 144 mg/day | Split into two doses |
Best Time to Take
Evening for sleep, morning for other uses.
With or Without Food
With or without food.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Standardized Extract Capsules | High | Precise dosing | Seanol is a patented form. |
| Powder | Good | Custom formulations | Less common. |
Side Effects & Safety
Common
- Generally well tolerated
Rare
- Mild GI discomfort
- Drowsiness
Contraindications
- Seaweed or iodine allergy
- Pregnancy
Interactions
May have mild anticoagulant properties.
May enhance sedative effects.
Scientific Research
Ecklonia cava and sleep quality
RCT showed significant improvements in sleep onset latency and total sleep time.
Food Sources
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.