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Oakline
Vitamin D3+K2
Essential Made in USA
Foundation

Vitamin D3+K2

High-potency D3 paired with K2 to may help support bone density, immune function, and calcium absorption.

$18.66

Quantity

1
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  • Free shipping
  • Quality tested
  • No fillers
Benefits

What it does.

  • May support calcium absorption and direct it into bones and teeth
  • May help maintain strong bone density under training load
  • May support immune system function year-round
  • May promote healthy cardiovascular function

Who it's for

Athletes who train indoors, live in northern climates, or want to ensure their calcium is actually going where it needs to go — bones and teeth, not arteries.

How to use

Take 1 softgel daily with a meal containing fat for optimal absorption.

How it works

Vitamin D3 (cholecalciferol) is the bioactive form your body produces from sunlight. At 5,000 IU per serving, it may help support calcium absorption in the gut by up to 40%. Vitamin K2 as MK-7 may help activate osteocalcin, a protein that binds calcium into bone matrix, and matrix GLA protein, which may help prevent calcium from depositing in soft tissues and arterial walls. Together, D3 and K2 may work as a team — D3 increases calcium availability while K2 may help direct where it goes. BioPerine black pepper extract may enhance absorption of both fat-soluble vitamins.

Ingredients

Every dose, disclosed.

We don't hide behind proprietary blends. Here's exactly what's in each serving.

Vitamin D3 (Cholecalciferol)

125mcg (5,000 IU)

Vitamin K2 (as MK-7)

100mcg

Calcium (as Calcium Carbonate)

210mg

BioPerine (Black Pepper Extract)

5mg

Vitamin D3+K2 — Supplement Facts