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Life Extension

Vitamins D and K with Sea-Iodine

Vitamins D and K with Sea-Iodine

Item: LE310

  • Natural iodine source from kelp

  • 5,000 IU vitamin D in each capsule

  • 2,100 mcg vitamin K per serving

60 Caps

Retail $24.00
Save 25%
In Stock
  • Natural iodine source from kelp

  • 5,000 IU vitamin D in each capsule

  • 2,100 mcg vitamin K per serving

Vitamins D and K with Sea Iodine™ from Life Extension features 5,000 IU of vitamin D, 2,100 mcg of vitamin K from menaquinone-4 and menaquinone-7, plus 1,000 mcg of natural iodine from Sea-Iodine™ Complex. This complex features organic kelp, bladderwrack extract and potassium iodide. 60 capsules.

Terms and Ingredient Definitions

Supplement Facts

Serving Size 1 Capsule

  Amount Per Serving % Daily Value
Vitamin D3 (as cholecalciferol) 5,000 IU 1,250%
Vitamin K activity from: 2,100 mcg 2,625%
Vitamin K1 (as phytonadione) 1,000 mcg  
Vitamin K2 (as menaquinone-4) 1,000 mcg  
Vitamin K2 (as menaquinone-7) 100 mcg  
Iodine [from Sea-Iodine™ ComplexBlend (organic kelp and bladderwrack extracts, potassium iodide)] 1,000 mcg 667%

Other ingredients: microcrystalline cellulose, vegetable cellulose (capsule), maltodextrin, modified food starch, dicalcium phosphate, stearic acid, silica.

Read the entire label and follow the directions carefully prior to use.

DIRECTIONS: Take one (1) capsule once daily with food, or as recommended by a healthcare practitioner.

CAUTION: Individuals consuming more than 2,000 IU/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Do not exceed 10,000 IU per day unless recommended by your doctor. Vitamin D supplementation is not recommended for individuals with high blood calcium levels. If you have a thyroid condition or are taking antithyroid medications, do not use without consulting your healthcare practitioner. If you are taking anti-coagulant or anti-platelet medications, or have a bleeding disorder, consult with your healthcare provider before taking this product.

Store tightly closed in a cool, dry place.


  • Do not purchase if outer seal is broken or damaged.
  • When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

To report a serious adverse event or obtain product information, contact 1-866-280-2852.

Shipping Weight

.08 lbs

Life Extension Vitamins D and K with Sea-Iodine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

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