Sea moss is often praised as a superfood with powerful health benefits. But like any supplement, it’s not without risks. While many people enjoy better digestion, skin health, and energy from sea moss, others may experience unwanted side effects if they take too much or don’t use it correctly.
In this article, we’ll explore the common and rare side effects of sea moss, who is most at risk, and how to take it safely.
😬 Common Side Effects of Sea Moss
Most people tolerate sea moss well, but some notice mild side effects when they first start using it.
Digestive Upset
The fiber in sea moss can improve gut health, but too much can cause:
- Gas and bloating
- Loose stools or diarrhea
- Stomach cramps
Iodine Overload
Sea moss is rich in iodine. While iodine supports the thyroid, too much can lead to:
- Irritability
- Restlessness
- Insomnia
Unpleasant Taste or Texture
Many users report that raw sea moss has a salty or fishy taste. For some, this is hard to tolerate in gels or smoothies.
⚠️ Rare but Serious Side Effects
Thyroid Complications
Since sea moss contains high iodine levels, long-term overuse may overstimulate the thyroid, potentially leading to hyperthyroidism.
Allergic Reactions
People allergic to seaweed, iodine, or shellfish may develop:
- Skin rashes
- Throat swelling
- Difficulty breathing (seek emergency care immediately)
👥 Who Is Most at Risk?
Certain groups should be extra careful with sea moss:
- People with thyroid disorders
- Pregnant or breastfeeding women
- Children under 12
- Anyone already consuming high-iodine diets (lots of seafood or iodized salt)
🛡️ How to Lower the Risks
The good news is that you can lower the risks of side effects by following a few safety steps:
-
Stick to safe dosages: 1–2 tablespoons of gel daily or 500–1000mg in capsules
-
Buy from trusted sources: Low-quality or polluted sea moss may contain heavy metals
- Start small: Begin with half a dose to see how your body reacts
📏 How Much Is Safe?
Experts recommend keeping iodine intake under 1,100 mcg per day for adults. Sea moss varies in iodine levels, but sticking to a tablespoon a day keeps you within safe limits.
✅ Final Thoughts – Is Sea Moss Worth It?
Sea moss can be a great addition to your diet — as long as you use it safely. Side effects are usually mild and avoidable when you stick to recommended amounts. But if you have a thyroid condition, are pregnant, or take certain medications, it’s best to consult your doctor first.
👉 Learn more about Sea Moss Risks & Warnings.
📖 External Reference: NHS – Iodine & Thyroid Health