Life Extension

Vitamins D and K with Sea-Iodine

$24.00

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The Promise

Product Identity & Key Facts Single‑capsule blend: D3, three K forms, sea‑derived iodine

High‑potency daily capsule combining vitamin D3, vitamin K (K1, MK‑4, MK‑7) and Sea‑Iodine™.

Active ingredients

Vitamin D₃ (cholecalciferol) 125 mcg (5,000 IU); Vitamin K activity from K₁ (phytonadione), K₂ (MK‑4), K₂ (MK‑7); iodine from Sea‑Iodine™ (kelp & bladderwrack, potassium iodide).

Total vitamin K amount

Provides 2,100 mcg total vitamin K activity (1,000 mcg K₁ + 1,000 mcg MK‑4 + 100 mcg MK‑7) per capsule.

Iodine source & amount

Contains 1,000 mcg iodine per capsule from Sea‑Iodine™ complex (kelp & bladderwrack extracts, potassium iodide).

Quality & format

One vegetable‑cellulose capsule per serving; Non‑GMO; 60 capsules per bottle; take with food.

Why It Works

Formulation Details Specific amounts, forms and combined delivery designed for daily use

Concrete formulation facts you can rely on when comparing products.

01

High‑potency D₃ dose

Each capsule supplies 125 mcg (5,000 IU) cholecalciferol, a defined daily dosage level.

02

Three distinct K isoforms

Combines phytonadione (K₁) with two K₂ isoforms (menaquinone‑4 and trans‑menaquinone‑7) for 2,100 mcg total K activity.

03

Sea‑derived iodine blend

Iodine supplied as 1,000 mcg from Sea‑Iodine™ (kelp & bladderwrack extracts plus potassium iodide).

04

Capsule composition

Vegetable cellulose capsule with microcrystalline cellulose, maltodextrin, modified food starch, dicalcium phosphate, stearic acid, silica.

Reviews

Customer Reviews

Your Journey

How to Use & Safety Clear, label‑based directions, storage and warnings

Practical serving instructions and medically relevant cautions from the product labeling.

Serving

Daily use

Take one (1) capsule once daily with food, or as recommended by your healthcare practitioner. Serving size: 1 capsule.

Packaging & format

Contents per bottle

Servings per container: 60 capsules; vegetable‑cellulose capsule format intended for oral administration.

Monitoring & limits

Vitamin D monitoring

Individuals taking more than 50 mcg (2,000 IU)/day of vitamin D from diet and supplements should monitor serum 25‑hydroxy levels. Do not exceed 250 mcg unless directed by a physician.

Warnings & contraindications

Precautions

Not for individuals with high blood calcium, thyroid conditions, or on vitamin K antagonists without medical advice. KEEP OUT OF REACH OF CHILDREN. DO NOT EXCEED RECOMMENDED DOSE.

Product education

Vitamin D₃ + Vitamin K (K₁, MK‑4, MK‑7) + Sea‑Iodine™

Vitamins D and K with Sea‑Iodine™ combines 125 mcg (5,000 IU) of D₃, three forms of vitamin K (1,000 mcg K₁; 1,000 mcg MK‑4; 100 mcg MK‑7), plus iodine (1,000 mcg) from sea algae—designed to support bone, cardiovascular, immune, thyroid and cognitive health.*

Bone, Immune & Cardiovascular Support*

Vitamin D₃ and K synergistically help direct calcium to bones and support vascular health, immune function, and healthy blood pressure.*

Three Forms of K + Iodine

Vitamin K activity combines phytonadione, MK‑4 and MK‑7; iodine from Sea‑Iodine supports thyroid hormone balance and cellular energy.*

High‑Potency Daily Support*

  • 125 mcg D₃ (cholecalciferol), 100–1 000 mcg vitamin K isoforms, 1 000 mcg iodine per capsule
  • Non‑GMO, suitable for daily use with food
  • Helps maintain optimal D status for bone, brain, immunity*

Ideal for adults seeking comprehensive D, K and iodine support in one daily capsule for optimal absorption and function.*

Supplement record

Review serving details and ingredients for this product.

Supplement Facts:
Dosage and Use: Take one (1) capsule once daily with food, or as recommended by your healthcare practitioner.
Serving Size: 1 Capsule Servings Per Container: 60
Ingredients Amount %DV
Vitamin D₃ (as cholecalciferol) 125 mcg (5,000 IU)
Vitamin K activity from: • Vitamin K₁ (phytonadione) • Vitamin K₂ (menaquinone‑4) • Vitamin K₂ (trans‑menaquinone‑7) 2,100 mcg total (1,000 + 1,000 + 100 mcg)
Iodine [from Sea‑Iodine™ Complex Blend (kelp & bladderwrack extracts, potassium iodide)] 1,000 mcg
Other Ingredients: Microcrystalline cellulose, vegetable cellulose (capsule), maltodextrin, food starch‑modified, dicalcium phosphate, stearic acid, silica.
(-) Daily Value not established.
Non‑GMO
Caution: Individuals consuming more than 50 mcg (2,000 IU)/day of vitamin D from diet and supplements should monitor serum 25‑hydroxy levels. Do not exceed 250 mcg unless directed by a physician. Not for individuals with high blood calcium, thyroid conditions, or on vitamin K antagonists without medical advice.
Warnings: KEEP OUT OF REACH OF CHILDREN. DO NOT EXCEED RECOMMENDED DOSE. Do not purchase if outer seal is broken or damaged. When using nutritional supplements, please consult your physician if treating a medical condition or pregnant or lactating.