Sea Moss: What It Is and What to Know
100 mg of sea moss in each serving.
Last updated November 13, 2026
What it is
Sea moss is a common name for several red seaweeds. The traditional one is Irish moss (Chondrus crispus) from the North Atlantic; many products use related warm-water species. It has been eaten for generations in Ireland and the Caribbean, usually as a gel or in drinks.
What it contains
Like other seaweeds, sea moss naturally carries minerals from seawater, including iodine, in amounts that vary with the species and where it grew.
What we do and do not say about it
Sea moss is popular, but human trials on it are scarce. We do not cite one, and we make no claim about what the amount in a gummy does.
In this formula
A serving has 100 mg of sea moss. The amounts above are per serving, from the Supplement Facts panel. Research cited on this page studied the ingredient on its own, usually in a different form or dose, and is not a claim about this product.
Who should ask a doctor first
Because seaweed contains iodine, anyone with a thyroid condition or taking thyroid medication should check first. Talk to your healthcare provider before taking any supplement if you are pregnant, nursing, taking medication or have a medical condition.
Comparing the two? See shilajit vs sea moss.
Keep reading
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This guide is general information, not medical advice. Studies cited here looked at individual ingredients, often in different forms and doses, and are not claims about this product.