Sea moss has gone from Caribbean kitchens to UK supermarket shelves in a few short years. Here's what it actually is — and the honest picture behind the hype.
What sea moss is
Sea moss is the common name for Chondrus crispus and related red seaweeds that grow along Atlantic coastlines. It has been eaten in Caribbean and Irish households for generations. Softened and blended, it forms a smooth gel — the reason it gives drinks a rich, silky body [1, 2].
How it's traditionally prepared
In Caribbean homes, dried sea moss is washed, soaked overnight, boiled or blended into a gel, then mixed with milk, spices and sweetener into a thick drink — often with nutmeg, cinnamon or vanilla. It's comfort food as much as anything.
What the research says — and doesn't
Sea moss contains a range of minerals, including iodine, and a 2024 peer-reviewed study analysed its mineral and amino acid content [3]. But there isn't yet enough reliable human research to support many popular sea moss claims [4]. Much of the excitement comes from lab studies or studies on seaweed generally. We'd rather tell you that than oversell it.
Enjoy it sensibly
Sea moss naturally contains iodine, and more isn't better. Stick to one serving a day. If you are pregnant, breastfeeding, have a thyroid condition or take regular medication, check with your GP first. The NHS has clear guidance on iodine [5].
No soaking, no blending
Seamo Cure is cold-pressed sea moss, moringa and sorrel with real honey — made fresh in East London.
Shop Seamo CureReferences
- Healthline (2024). Sea Moss: Benefits, Nutrition, and Preparation. healthline.com
- Wikipedia. Chondrus crispus. wikipedia.org
- Čmíková N. et al. (2024). Life, 14(11):1522. Open access
- Operation Supplement Safety. Sea moss in dietary supplements. opss.org
- NHS. Vitamins and minerals — iodine. nhs.uk
General information, not medical advice. Seamo is a food and is not intended to prevent, treat or cure any condition.