Dulse
minerals
Dulse is a nutrient-dense red seaweed rich in iodine, potassium, and trace minerals that supports thyroid function and overall mineral balance. It is traditionally consumed as a whole food supplement and is valued for its mineral bioavailability and potential health-promoting compounds.
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Benefits
Dosage
Typical Dose
1-2 grams daily
Upper Limit
5 grams daily
Timing
With meals for optimal absorption
Forms & Bioavailability
Whole seaweed (dried)
High
Powder
High
Capsules
Moderate to High
Flakes
High
Side Effects
Interactions
Research Summary
Dulse contains beneficial compounds including carrageenan, fucoidans, and phenolic compounds with demonstrated anti-inflammatory and antioxidant properties in vitro. Limited human clinical trials exist; most evidence is observational or from traditional use. Research suggests seaweed consumption may support cardiovascular health, though individual studies on dulse specifically are sparse.
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The Bottom Line on Dulse
Dulse is moderately researched with promising but sometimes mixed evidence.It is most commonly used for supports thyroid function through natural iodine content and provides essential minerals including potassium and magnesium. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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