Life Extension Vitamins D and K with Sea-Iodine
- Item Form: Capsule
- Dosage Form: Capsule
- Primary Supplement Type: Vitamin D
- Flavor: Unflavored
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A combination capsule for people who want vitamin D, K and iodine covered together rather than sourced from separate bottles.
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ASIN: B0848TXT9NCategory: Vitamin D Supplements
Overview
Life Extension pairs vitamin D with vitamin K and added sea-iodine in a 90 capsule bottle, an unflavored formula sold under the brand's Vitamin D supplement line.
Combining D and K reflects a common supplement pairing, since vitamin K is often discussed alongside vitamin D for how the body directs calcium, and Life Extension adds iodine sourced from sea minerals on top of that base pair rather than selling vitamin D alone. At 90 capsules per bottle, it runs roughly three months at one capsule daily.
- 90 capsules per bottle
- Vitamin D and K combined
- Added sea-iodine
- Unflavored
Who it's for
Suited to people who specifically want vitamin D and K combined in one capsule along with iodine, rather than three separate supplements. Not the product for someone who wants to control each nutrient's dose independently.
Pros and cons
- Combines vitamin D, K and iodine in one capsule
- 90 capsule bottle covers about three months at one a day
- Fixed combination doesn't allow adjusting each nutrient separately
- No flavor variety
Performance notes
The three way combination means each capsule delivers a fixed ratio of D, K and iodine rather than letting you adjust one nutrient without the others, which suits people happy with a standard bundled dose over those managing each nutrient separately.
Specifications
| Brand | Life Extension |
|---|---|
| Dimensions & fit | |
| Item Weight | 0.06 poundslower than 75% of 52 vitamin d supplements |
| Capacity & performance | |
| Age Range Description | Adult |
| Included components | |
| Unit Count | 90 |
| Other details | |
| Item Form | Capsule |
| Dosage Form | Capsule |
| Primary Supplement Type | Vitamin D |
| Flavor | Unflavored |
| Number Of Items | 1 |
| Specific Uses For Product | Brain |
Closest rivals on specs
Superior Source Sublingual Vitamin D3 5000 IU- Item Weight 0.06 vs 0.05 pounds (+20%)
Replesta Vitamin D3 Chewable Wafer 50000 IU- Item Weight 0.06 vs 0.05 pounds (+20%)
Frequently asked questions
Does this contain iodine?
Yes, it includes added sea-iodine alongside vitamin D and K.
How many capsules come in a bottle?
90 capsules.
Is this flavored?
No, it's unflavored.