Sea moss – also known as Irish moss – has taken over social media feeds, promoted as a natural cure-all.
Touted benefits include improved gut health, radiant skin, immune support, and even better metabolism.
Marketed in gels, powders, capsules, and gummies, it’s become a $2.18 billion industry – and still growing.
But what many people don’t realize is that the highly processed forms found in supplements are far removed from the raw, ocean-harvested seaweed.
Experts warn that these processed versions often lose the beneficial fibers and nutrients that make sea moss appealing in the first place.
One common derivative, carrageenan – used as a food thickener – may even harm gut health rather than help it.
Health boost or hype?
In its raw form, sea moss does contain antioxidants, fiber, and polyphenols, which could support immune and digestive health.
But many of the benefits circulating online are theoretical or exaggerated.
Some experts do acknowledge its iodine content, which is essential for thyroid function.
However, most people already get enough iodine through iodized salt, dairy, and seafood.
Adding more through supplements can cause imbalance – especially for those with thyroid conditions.
Plus, sea moss alone isn’t a cost-effective or reliable source of fiber compared to whole vegetables and legumes.
The hidden health risks
Sea moss, like other seaweeds, easily absorbs heavy metals from the ocean – including mercury, arsenic, and lead.
Over time, these toxins can build up in the body, potentially leading to kidney damage, neurological issues, and even cancer.
Those with thyroid disorders, pregnant or breastfeeding individuals, and people on blood thinners are especially at risk.
Even healthy users should approach sea moss with caution due to the lack of regulation in the supplement industry.
So while sea moss might sound like the next big health breakthrough, the truth is much murkier.
Experts agree: a balanced diet with fresh, whole foods is still the most effective – and safest – path to better health.
This article is based on information from National Geographic.
This article is made and published by Ida-Marie Palm Varbæk, who may have used AI in the preparation.