Life Extension Sea Iodine

Life Extension Sea Iodine

Brands: Life Extension
Regular price£9.85

Life Extension Sea Iodine keeps it simple: iodine, in a vcaps format, 60 vcaps per pack.

Why people take it

  • Iodine contributes to normal thyroid function
  • Iodine contributes to normal cognitive function
  • Iodine contributes to normal energy-yielding metabolism

How to use

Take as directed on the pack, ideally with food and at the same time each day.

Good to know

  • Format: vcaps
  • Caffeine free
  • Vegetarian-friendly capsule shell
Quantity
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SKU: 737870174066

At a glance

£0.16

per daily dose

Moderate

evidence for iodine

Our honest take

An iodine supplement from Life Extension: each capsule gives 1,000 µg of iodine from kelp, bladderwrack and potassium iodide. That is twice the NHS advice of no more than 500 µg a day from supplements and above the EU upper level of 600 µg, and too much iodine can upset the thyroid. Iodine is worth thinking about if you have little milk, dairy or fish, but a multivitamin with about 150 µg is the safer way to cover it.

  • You eat little dairy or fish and want an iodine supplement
  • You have checked the dose is within UK guidance
  • You have a thyroid condition or take thyroid medication: speak to your GP first
  • You are pregnant or breastfeeding: get advice on iodine from your midwife or GP
  • You already take a multivitamin with iodine or a kelp supplement
The science

Iodine· evidence: Moderate

Iodine is needed to make thyroid hormones. Adults need about 140 µg a day in the UK, mainly from milk, dairy, eggs and white fish. Salt in the UK is rarely iodised, so people who avoid dairy and fish, including many vegans, can fall short. Getting enough matters most before and during pregnancy and breastfeeding.

A modest supplement (around 100 to 150 µg) is a sensible way to cover intake for people with low-iodine diets. There is no benefit to taking large amounts, and both too little and too much can upset thyroid function.

Seaweed and kelp products vary widely in iodine content, and some give far more than is needed.

Authorised health claim
Iodine contributes to the normal production of thyroid hormones and normal thyroid function. Iodine contributes to normal cognitive function. Iodine contributes to normal energy-yielding metabolism. Iodine contributes to the maintenance of normal skin. (Applies where a daily dose gives at least 15% of the NRV, i.e. 22.5 µg.)

Typical dose: Adults need about 140 µg a day from all sources (NRV on labels: 150 µg). Supplements usually give 75 to 150 µg.

Safety: The NHS advises that 0.5 mg (500 µg) a day or less from supplements is unlikely to cause harm; EFSA's adult upper level from all sources is 600 µg a day. Higher intakes can disturb thyroid function. Anyone with a thyroid condition, or taking thyroid medicine, should speak to their GP before taking iodine.

Research we looked at:
NHS. Others: vitamins and minerals (iodine). nhs.uk/conditions/vitamins-and-minerals/others
British Dietetic Association. Iodine: food fact sheet. bda.uk.com
EFSA NDA Panel. Scientific opinion on dietary reference values for iodine. EFSA Journal 2014;12(5):3660.

Ingredients & nutrition

Per daily dose (1 capsule): iodine 1,000 µg (667% NRV) from Sea-Iodine complex (organic kelp and bladderwrack extracts, potassium iodide). 60 capsules, 60 daily doses.

Other ingredients: microcrystalline cellulose, vegetable cellulose (capsule), silica, stearic acid. Suitable for vegetarians.

Always check the pack you receive, as manufacturers sometimes update recipes.

How to use

Label directions: 1 capsule a day. Do not exceed the stated daily dose. This is above NHS guidance for iodine, so only take it on medical advice. Do not use if you have a thyroid condition or take thyroid medicines unless your doctor agrees.

Price per dose & how it compares
ProductSizePricePer daily dose
This product60 vcaps£9.85£0.16
KIKI Health Sea Kelpfrom £20.99–
KIKI Health Ionic Seleniumfrom £20.99–

Cost per daily dose lets you compare packs of different sizes fairly.Worked out from our current prices.

Life Extension Sea Iodine keeps it simple: iodine, in a vcaps format, 60 vcaps per pack.

Why people take it

  • Iodine contributes to normal thyroid function
  • Iodine contributes to normal cognitive function
  • Iodine contributes to normal energy-yielding metabolism

How to use

Take as directed on the pack, ideally with food and at the same time each day.

Good to know

  • Format: vcaps
  • Caffeine free
  • Vegetarian-friendly capsule shell

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