A STRONG FOUNDATION

D3 + K2

Vitamin D3, K2 as MK-7 and calcium work in complementary ways to support bone health. A high-strength formula for use with professional guidance.*

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    Vitamin D3 — Supports calcium absorption and normal muscle function.*
  • ✓
    Vitamin K2 — MK-7 form, involved in normal bone metabolism.*
  • ✓
    Added calcium — 210 mg per one-capsule serving.
  • ✓
    High strength — 5,000 IU D3 per capsule; review your dose with a clinician.
60 capsules30-day supply at labeled use
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◇ 30-day returns on unopened bottles

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Meet your daily essential +

Vitamin D3, K2 as MK-7, and calcium in a high-strength capsule formula for bone-health support.*

Ingredients +

Per one-capsule serving: vitamin D3 (cholecalciferol) 125 mcg (5,000 IU); vitamin K2 (MK-7, as menaquinone) 100 mcg; calcium (as calcium carbonate) 210 mg; BioPerine® black pepper fruit extract 5 mg. Other ingredients: microcrystalline cellulose, hypromellose (vegetable capsule). 60 capsules / 60 one-capsule servings per bottle.

How to use +

Supplier directions: take one (1) capsule twice daily, 20–30 minutes before a meal, or as directed by your healthcare professional. This provides 250 mcg (10,000 IU) vitamin D3 daily. Ask your healthcare professional whether this high-strength formula and serving are appropriate for you before use.

Before you start +

Do not exceed the recommended dose. Consult your healthcare professional before use, especially if taking warfarin or other medication, pregnant, nursing, under 18, or managing a medical condition. Keep out of reach of children. Do not use if the safety seal is damaged or missing. Store in a cool, dry place.

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MADE FOR WHAT MATTERS TO YOU.

Build on a Strong Foundation

Being active, staying independent and doing the things you love all begin with the body that carries you. D3 + K2 brings three bone-health nutrients together in one capsule format.*

  • BONES — Support the foundation beneath you
  • MUSCLES — Support normal muscle function*
  • NUTRITION — Give calcium a supporting team

Each capsule contains 5,000 IU vitamin D3; the supplier’s twice-daily directions provide 10,000 IU, above the usual adult upper limit of 4,000 IU. Use this high-strength formula with medical guidance. Vitamin K can interact with warfarin.

A LITTLE DAYFORM. A DAILY ESSENTIAL.

Strong Foundations Matter at Every Age

Being active, staying independent and doing the things you love all begin with the body that carries you. D3 + K2 brings three bone-health nutrients together in one capsule format.*

D3 for calcium absorption
K2 as MK-7
Calcium included
Vegetable capsules
Choose your D3 + K2 ↗

60 capsules · 30-day supply at labeled use

Three Dayform D3 + K2 packaging concepts
Pouch concept shown; orders ship in bottles.

Build on a Strong Foundation

Your reasons are personal. Your formula should make sense.

Illustrative scene: Support the foundation beneath you
01 · BONES

Support the foundation beneath you

Vitamin D, vitamin K and calcium have complementary roles in normal bone health. This formula puts all three in one capsule.*

Illustrative scene: Support normal muscle function*
02 · MUSCLES

Support normal muscle function*

Vitamin D also supports normal muscle function, another reason adequate nutrition matters to an active life.*

Illustrative scene: Give calcium a supporting team
03 · NUTRITION

Give calcium a supporting team

D3 supports calcium absorption while vitamin K contributes to bone metabolism. This is a high-strength formula to review with your clinician.*

Three Nutrients. Complementary Roles.

VITAMIN D3

Help Your Body Absorb Calcium

Vitamin D supports calcium absorption and normal muscle function.*

    VITAMIN K2

    Support Bone Metabolism

    K2 as MK-7 contributes to the biological processes involved in maintaining normal bones.*

      CALCIUM

      A Bone-Health Essential

      Each capsule includes 210 mg of calcium alongside D3 and K2.

        HIGH STRENGTH

        Choose Your Dose With Care

        Each capsule provides 5,000 IU D3. Use this concentrated formula with your healthcare professional’s guidance.

          30-Day Returns on Unopened Bottles

          Unopened bottles may be returned within 30 days. Damaged or incorrect orders are replaced or refunded.

          WHY DAYFORM?

          Why Choose D3 + K2?

          Compare the ingredients, the serving and the details that matter to you.

          DayformWhat to look forOther brands
          ✓D3 125 mcg / 5,000 IU per capsuleVitamin D strengthAmounts vary; lower doses are available
          ✓K2 as MK-7 · 100 mcgVitamin K form and amountMay use another form or omit K
          ✓Calcium 210 mg per capsuleAdditional mineralsCalcium may be absent
          ✓Hypromellose capsuleCapsule materialCheck the full ingredient list
          ✓60 one-capsule servingsServing vs. daily useDaily directions can differ
          ✓High-strength use needs guidanceFit for your needsCompare dose, not just capsule count

          Support the Foundation That Supports You

          Choose your supply and discover what is inside.

          5,000 IU

          Vitamin D3 per capsule

          125 mcg; a high-strength amount to review with your clinician.

          100 mcg

          Vitamin K2

          MK-7 form per one-capsule serving.

          210 mg

          Calcium

          Per capsule, as calcium carbonate.

          Illustrative everyday wellness scene
          AI-generated lifestyle illustration; not a reviewer.
          Three Dayform D3 + K2 packaging concepts
          Pouch concept shown; orders ship in bottles.
          30 Days

          Dayform’s Unopened-Bottle Return Policy

          Return unopened bottles within 30 days. If your order arrives damaged or incorrect, we’ll replace it or refund it.

          • 30-day returns on unopened bottles
          • Help with damaged or incorrect orders
          Choose your D3 + K2 ↗