Sea moss can add fiber, iodine and a few minerals to a smoothie, but nothing in human research shows it improves digestion, skin or gut health beyond what a varied diet already provides — the real caution here is iodine and heavy-metal content, not the hoped-for benefit.
The full read
Source: reviews from Northwestern Medicine and National Geographic (2025), quoting integrative-medicine physicians and dietitians, plus a 2025 in-vitro study on red seaweed and gut microbiota. Evidence type: expert reviews and a lab study, not a randomized human trial on sea moss itself — most of the claimed benefits (digestion, immunity, skin) come from studies on other red seaweeds, not the Chondrus crispus sold as powder or gel. The strongest point is nutritional: sea moss is iodine-rich, helpful if intake is genuinely low but risky in the other direction (thyroid imbalance) since commercial doses vary widely and can exceed the tolerable upper intake. Other real risks stand: heavy metals absorbed by the algae, natural anticoagulant properties worth watching on blood thinners, and avoiding it in pregnancy without medical advice. Direction: associational, no causal human evidence for the benefits claimed in the video.
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