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Vitamin D3 + K2 Drops Liquid

Regular price $89.95 AUD

Key Benefits

  • Supports bone and cardiovascular health
  • Helps optimise calcium absorption
  • Easy-to-dose liquid format
View full range — Seeking Health

Treatment Supply

Australian-owned • Independent wellness

Practitioner-grade support. Always read the label and follow the directions for use.

Shipping & Dispatch $19.95 flat rate · Free over $200

Australia Post — fully trackable.


  • Free shipping: $200+
  • Flat rate: $19.95 Australia-wide

Dispatch: usually within 1–3 business days

Dual-Action Support for Bones, Immunity & Cardiovascular Health

Vitamin D3 + K2 Drops by Seeking Health combine two essential fat-soluble nutrients for synergistic support of calcium metabolism, bone strength, immune balance, and cardiovascular wellness. Each drop provides 50 mcg (2,000 IU) of vitamin D3 and 500 mcg of K2 (as MK-4 and MK-7), in a pure MCT oil base for optimal absorption and flexibility in dosing.

Supports bone and cardiovascular health

Helps optimise calcium absorption

Easy-to-dose liquid format

  • Bone Strength: D3 aids calcium absorption, while K2 directs it into bones and teeth.
  • Heart Health: K2 helps prevent calcium buildup in arteries and soft tissues.
  • Immune Function: Vitamin D3 supports immune cell activity and defense.
  • Highly Absorbable: Delivered in an MCT oil base for enhanced bioavailability.
  • Easy Custom Dosing: 1 drop = 2,000 IU D3 + 500 mcg K2. Ideal for adults and children.

Vitamin D3 (cholecalciferol) 50 mcg (2,000 IU) and Vitamin K2 (MK-4 & MK-7) 500 mcg per drop, with medium-chain triglyceride (MCT) oil and mixed tocopherols (vitamin E). Daily Value not established. Free from gluten, dairy, soy, GMOs, and artificial colours or sweeteners. Vegetarian friendly.

Adults & Children: Take one (1) drop daily or as directed by your healthcare provider. Can be taken directly on the tongue or mixed into food or drink.

  • Use with Care: Do not exceed recommended dose without supervision, especially when taking blood thinners or calcium supplements.
  • Practitioner Guidance Advised: High doses of D3 and K2 should be monitored in individuals with health conditions.
  • Keep Out of Reach of Children: Potent drops require secure storage and supervision.
  • Store in a Cool, Dry Place: Keep sealed and away from heat or direct sunlight.
  • No Refrigeration Required: But optional for extended freshness.
VITAMIN D3 + K2 FAQSCommon questions about vitamin D3 + K2
What is vitamin D3 + K2 used for?

Vitamin D3 + K2 is commonly used to support bone health, calcium metabolism, immune function and cardiovascular health. Vitamin D3 helps support calcium absorption, while vitamin K2 helps support the proper use of calcium in the body.

Why are vitamin D3 and K2 often taken together?

Vitamin D3 and K2 are often paired because they support complementary roles in calcium metabolism. Vitamin D3 supports calcium absorption, while vitamin K2 helps direct calcium towards bones and teeth rather than soft tissues.

What is the difference between vitamin D3 and vitamin K2?

Vitamin D3 supports calcium absorption, immune function and healthy vitamin D status. Vitamin K2 supports normal calcium utilisation and helps maintain bone and cardiovascular health. They are different nutrients but often work well together.

What are MK-4 and MK-7 forms of vitamin K2?

MK-4 and MK-7 are two forms of vitamin K2. Both are used in supplements to support calcium metabolism, bone health and cardiovascular health. Some formulas include both forms to provide broader K2 support.

Can vitamin D3 + K2 support bone health?

Yes. Vitamin D3 supports calcium absorption, while vitamin K2 supports calcium placement in bones and teeth. Together, they may help support bone strength as part of a balanced diet and healthy lifestyle.

Can vitamin D3 + K2 support immune health?

Yes. Vitamin D3 plays an important role in normal immune system function. Vitamin D3 + K2 formulas may be useful for people looking to support immune health while also maintaining bone and calcium metabolism support.

When is the best time to take vitamin D3 + K2?

Vitamin D3 + K2 is best taken with food, especially a meal or snack that contains fat, because both nutrients are fat-soluble. Liquid drops may be taken directly or mixed into food or drink if the product directions allow.

Can children take vitamin D3 + K2?

Some vitamin D3 + K2 products may be suitable for children when used according to the label directions. Because drop formulas can be concentrated, children should only use them under adult supervision and with professional advice where needed.

Can vitamin D3 + K2 be taken with calcium supplements?

Use caution when combining vitamin D3 + K2 with calcium supplements, multivitamins or other vitamin D products. Taking too much vitamin D, calcium or overlapping fat-soluble nutrients may not be suitable for everyone.

Who should get advice before using vitamin D3 + K2?

Speak with a healthcare professional before using vitamin D3 + K2 if you are pregnant, breastfeeding, taking medication, using blood thinners, taking calcium supplements, managing kidney, heart, parathyroid or calcium-related conditions, shopping for a child, or unsure whether extra vitamin D or K2 is suitable for you.