Irish Sea Moss
The short answer. There isn't much data on Irish Sea Moss yet — 3 mentions, 1 with a clear outcome — so treat these numbers as anecdotal. We found no human trials on PubMed.
From 3 mentions in total — the rest didn't say how it went and aren't counted.
What Irish Sea Moss does, according to users
Of the people who reported each effect, the share who said it got better.
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
No randomized controlled trials in humans found on PubMed. The grade measures how much human research exists — read the conclusions below for what it found.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.
“I started supplementing with a kelp and irish sea moss pill, which gives the RDA of 150 mcg. It was pretty life changing”
Top discussions (3)
- You can only take 3 nootropics (supplements, eliminating exercise and good diet would be counterintuitive due to other health benefits) for the rest of your life. Which ones? ↗
- Saffron has given me the most incredible month in years...thoughts on long term supplementation? ↗
- Realized I don't get iodine from anywhere, so I started to eat foods with iodine. Reporting my results. ↗
Other options for sleep
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate