D3+Mk-7 Liquid 50ml

Regular price $99.95 AUD

Key Benefits

  • Supports Bone Health
  • Supports Immune System Function
  • Maintains Muscle Function
View full range — Spectrumceuticals

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 $199

Australia Post — fully trackable.


  • Free shipping: $199+
  • Flat rate: $19.95 Australia-wide

Dispatch: usually within 1–3 business days

Help maintain bone mineralization and strength

D3 + MK-7 combines vitamin D3 with menaquinone-7 to support healthy bone mineralisation and overall bone health. Vitamin D3 plays an important role in maintaining muscle function, supporting immune system health, and helping sustain adequate vitamin D levels when sun exposure is limited. Menaquinone-7 contributes to healthy blood function and supports the body’s normal physiological processes.

Supports Bone Health

Supports Immune System Function

Maintains Muscle Function

Each 0.2 mL (one spray pump) contains: Cholecalciferol (vitamin D3) 25 micrograms (1000 IU); Menaquinone-7 (MK-7) 45 micrograms.

SHAKE WELL BEFORE USE.

Adults: Spray one pump into the mouth and swallow. Do not exceed one spray pump a day. Vitamins can only be of assistance if dietary intake is inadequate.

d-alpha-tocopherol, dl-alpha-tocopherol, medium chain triglycerides, olive oil, sunflower oil, vegetable oil.

Allergen statement: No added yeast, gluten, wheat, dairy, preservatives or artificial colours and flavours. Not suitable for vegans.

For adults only.

Storage: Store below 25°C away from direct sunlight.

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.