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LifExtension - Vitamins D and K with Sea-lodine

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LifExtension

Vitamins D and K with Sea-lodine

C grade
71/100
SUPPIE SCORE
72/100
EFFICACY
Medium
SAFETY
82/100
CLEANLINESS

What Does Vitamins D and K with Sea-lodine Do?

Label provides 125 mcg D3 (cholecalciferol) and 1000 mcg K1 (phytonadione) per capsule; D3 dose exceeds common upper limits while K1 amount aligns with studied ranges, but combined evidence at these precise levels remains limited.
What is the recommended daily intake for Vitamin D3 at 125 mcg?
How does 1000 mcg Vitamin K1 interact with blood-thinning medications?
Is this product suitable during pregnancy at the listed doses?
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What Are the Benefits of Vitamins D and K with Sea-lodine?

Based on proven scientific research

Bone healthStrong
Calcium regulationModerate
Cardiovascular supportMild
Immune functionModerate

Good For:

What Are the Side Effects of LifExtension Vitamins D and K with Sea-lodine?

Always consult your health practitioner if in doubt.

RiskMedium Risk

Overview

•Vitamin D at 125 mcg (5000 IU) exceeds the 100 mcg (4000 IU) upper limit for adults; monitor blood levels.
•Vitamin K1 at 1000 mcg may reduce effectiveness of warfarin and similar anticoagulants.
•High-dose Vitamin D can cause hypercalcemia if taken long-term without monitoring.
•Limited evidence on long-term safety of this exact D3+K1 pairing at stated amounts.

Potential Side Effects

Negative Interactions

Allergens

No major allergens disclosed on labelContains maltodextrin and modified food starch

Inactive Ingredients

Microcrystalline cellulose
Low Risk
Vegetable cellulose (capsule)
Low Risk
Maltodextrin
Low Risk
Food starch-modified
Low Risk
Dicalcium phosphate
Low Risk
Stearic acid
Low Risk
Silica. manufact ed for: quality supplement: nd vitamins
Low Risk
Inc. ft. lauderdal fl 33309 lifeextension.com to report a serious adverse event or obtain product information
Low Risk
Contact 1-866-280-2852. store tightly closed in a cool
Low Risk
Dry place
Low Risk

What Are the Ingredients in LifExtension Vitamins D and K with Sea-lodine?

Serving Size 1 Capsule Amount % Daily Per Serving Value Vitamin D3 (as cholecalciferol)
125 mcg
Vitamin K activity from: 2100 mcg Vitamin K1 (as phytonadione)
1000 mcg
microcrystalline cellulose
vegetable cellulose (capsule)
maltodextrin
food starch-modified
dicalcium phosphate
stearic acid
silica. Manufact ed for: Quality Supplement: nd Vitamins
Inc. Ft. Lauderdal FL 33309 LifeExtension.com To report a serious adverse event or obtain product information
contact 1-866-280-2852. Store tightly closed In a cool
dry place

Dosage & Bioavailability

How the active doses and forms in Vitamins D and K with Sea-lodine compare to the research.

•Vitamin D3 (as cholecalciferol) — 125 mcg; exceeds the 100 mcg adult UL per NIH/ODS guidance.
•Vitamin K1 (as phytonadione) — 1000 mcg; within typical supplemental ranges examined in clinical reviews.
•Vitamin K activity from 2100 mcg Vitamin K1 (as phytonadione) — 1000 mcg; the label does not disclose an extract standardisation percentage or marker amount.

Sources & References

VitaminD HealthProfessional
Information from ods.od.nih.gov
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Frequently Asked Questions

Common questions about LifExtension Vitamins D and K with Sea-lodine