Life Extension Sea-Iodine 1000 mcg 150 Capsules
- 1,000 mcg iodine strength
- 150 vegetarian capsules
- Kelp and bladderwrack extracts plus potassium iodide
- Small, easy to swallow capsules
- Non-GMO, vegetarian, unflavored
Last refreshed Sep 11, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A vegetarian iodine capsule from seaweed and potassium iodide that supports iodine without added salt. Anyone with a thyroid condition should check with a doctor first.
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ASIN: B07NC1S4RGCategory: Iodine Supplements
Overview
Supporting iodine intake without extra salt is the job of Life Extension Sea-Iodine, a vegetarian capsule that combines kelp and bladderwrack extracts with potassium iodide. The capsules are small and unflavored.
Sea plant sources plus a measured iodide in a small capsule are the reason to choose it. Iodine acts on the thyroid, so anyone with a thyroid condition should talk to a doctor before starting.
Who it's for
Athletes who lose minerals through sweat and people cutting back on salt are the groups the listing names. Anyone managing a thyroid condition needs medical guidance first.
Pros and cons
- Sea plant sources plus iodide
- Small and easy to swallow
- Dose guidance not in bullets
- Thyroid patients need medical guidance
Performance notes
Iodine is a trace mineral tied to thyroid health, and this formula supplies it from seaweed plus potassium iodide. Because it does not come from salt, intake can stay steady while salt is reduced.
Specifications
| Brand | Life Extension |
|---|---|
| Dimensions & fit | |
| Other sizes | 60 and 100 count also available |
| Construction & materials | |
| Material Type Free | gmo free |
| Included components | |
| Unit Count | 150 vegetarian capsules |
| Other details | |
| Item Form | Capsule |
| Flavor | Unflavored |
| Iodine strength | 1,000 mcg |
| Sources | Kelp, bladderwrack, potassium iodide |
| Dietary features | Vegetarian, non-GMO |
| Primary Supplement Type | Iodine |
| Product Benefits | Thyroid Support |
Frequently asked questions
Does Life Extension Sea-Iodine come in smaller bottles?
Yes. The description says it is also available in 60 count and 100 count sizes at 1,000 mcg.
Why take iodine without salt?
Iodine is usually consumed through table salt. The listing says this supplement supports iodine levels without raising salt intake.
Who does Life Extension say needs iodine?
The description says athletes and people doing heavy physical effort lose iodine through perspiration.