Sea Moss: Benefits, Nutrition, and How to Prepare It "Some of the main potential benefits of using sea moss may include: May support thyroid health. Seaweeds are rich in iodine Trusted Source, a micronutrient necessary for healthy thyroid function. May support immunity. One study Trusted Source in salmon found that supplemental seaweed improved immune modulation and immune response. Scientists need … Continue reading NUTRITION BENEFITS OF SEA MOSS AND HOW TO PREPARE/USE IT