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Side-by-side comparison of 1 supplements

Fucoidan

Evidence Score2.5/10

Studies: 5

Meta-analyses: 0

Dosage:

No established efficacy dose; the influenza-vaccine RCT used 300mg/day of Mekabu fucoidan — commercial products range widely (100-1000mg/day)

Best Time:

Any time · with food

Take with food

Form:

Mekabu / Undaria pinnatifida fucoidan

💉 Improved vaccine antibody response (elderly, small RCT)35%

Weeks after dosing

🔬 Mostly preclinical evidence75%

Throughout use

✅ Generally well tolerated20%

Throughout use

Moderate safety

Contraindications:

Active bleeding disorders or upcoming surgery (theoretical anticoagulant activity)
Pregnancy/breastfeeding (not studied)

Drug Interactions:

Side Effects:

Mild GI upset / diarrheaTheoretical increased bleeding tendency

complementary

complementary

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