Skip to product information
1 of 7

Doctor's Best Vitamin D3 and K2 Supplement for Men & Women's - Vitamin D3 5000 IU + K2 as MK-7, Bone Health Support, Gluten Free, Non GMO, Vegetarian Capsules - 60 Veg Capsules

Doctor's Best Vitamin D3 and K2 Supplement for Men & Women's - Vitamin D3 5000 IU + K2 as MK-7, Bone Health Support, Gluten Free, Non GMO, Vegetarian Capsules - 60 Veg Capsules

Regular price $53.96 AUD
Sale price $53.96 AUD Regular price
Save % Sold out

Buy more, save more

Doctor's Best Vitamin D3 and K2 Supplement for Men & Women's - Vitamin D3 5000 IU + K2 as MK-7, Bone Health Support, Gluten Free, Non GMO, Vegetarian Capsules - 60 Veg Capsules

Regular price $53.96
Sale price $53.96 Regular price
Save % Sold out
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • MB WAY
  • PayPal
  • Satispay
  • Shop Pay
  • Visa

Understanding the Synergy: How D3 and K2 Work Together

When you take vitamin D3, it stimulates the production of calcium-binding proteins in the gut, boosting calcium absorption. Vitamin K2 then activates two critical proteins: osteocalcin, which helps bind calcium to the bone matrix, and matrix GLA protein (MGP), which helps prevent calcium from depositing in blood vessels. This partnership supports both strong bones and cardiovascular health.

Key Health Benefits

  • Bone Strength: Vitamin D3 supports calcium absorption, while K2 helps incorporate calcium into bone tissue, contributing to bone mineral density.
  • Heart Health: By activating MGP, K2 helps maintain arterial flexibility and promotes normal calcium balance in the cardiovascular system.
  • Immune Support: Vitamin D3 is known to help support normal immune function, helping your body defend against seasonal challenges.
  • Dental Health: Proper calcium utilisation supports strong teeth and healthy tooth enamel.

What to Look For in a D3 + K2 Supplement

Not all combinations are created equal. This formula provides 5000 IU (125 mcg) of vitamin D3 as cholecalciferol and 100 mcg of vitamin K2 as menaquinone-7 (MK-7). MK-7 is the preferred form because it stays active in the body longer than MK-4, offering sustained support. The supplement is non-GM, Gluten Free, and vegetarian – suitable for a wide range of dietary preferences. Third-party testing ensures purity and potency.

Frequently Asked Questions

What is the best time to take D3 and K2? Since both are fat-soluble, taking them with a meal containing fat (like breakfast or lunch) enhances absorption.

Can I take D3 and K2 with other medications? If you are on blood thinners (e.g., warfarin), consult your health care provider before taking vitamin K2, as it may interact.

How long does it take to see results? Benefits for bone and heart health are long-term. Consistency is key.

Recommended Dosage

Take one capsule daily with food, or as directed by a healthcare professional. Each bottle provides a 60-day supply. As with any supplement, consult your physician before starting a new regimen.

Why Take Vitamin D3 and K2 Together?

Vitamin D3 helps your body absorb calcium from food. But calcium needs proper direction – without guidance, it can accumulate in soft tissues. That’s where vitamin K2 steps in. K2 activates proteins that help direct calcium to bones and teeth, where it belongs, and supports healthy arterial flexibility. Together, they form a synergistic duo for overall wellbeing.

Always read the labelled and follow the directions for use. This product is not intended to diagnose, treat, or prevent any disease.

Worldwide Delivery

Vitamins4Australia offers free shipping to Australia & the US on every order, with no minimum spend required. Most orders are delivered within 2–7 business days after dispatch, and tracking details are sent by email once the order leaves fulfilment.

Returns and support

Vitamins4Australia offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

View full details
  • Free standard deliveryUsually 2–7 business days to Australia, after 1–3 days to prepare
  • 30-day returnsOn unopened items in original packaging
  • Secure checkoutProcessed by Shopify with major cards accepted
  • Real supportEmail or phone, answered by our team

☆☆☆☆☆

Buying guide and questions

Supplement guide

Doctor's Best Vitamin D3 and K2 Supplement for Men & Women's - Vitamin D3 5000 IU + K2 as MK-7, Bone Health Support, Gluten Free, Non GMO, Vegetarian Capsules - 60 Veg Capsules at Vitamins4Australia

Understanding the Synergy: How D3 and K2 Work TogetherWhen you take vitamin D3, it stimulates the production of calcium-binding proteins in the gut, boosting calcium absorption. Vitamin K2 then activates two critical ...

Category Vitamin D3 & K2 Combinations
Delivery area Worldwide
Checkout Secure checkout
Brand Doctor's Best
Price $53.96
Availability In stock
5000 iubone healthcalcium absorptioncardiovasculardoctors bestgluten freeheart healthimmune supportmenaquinonemk-7

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

Questions about Doctor's Best Vitamin D3 and K2 Supplement for Men & Women's - Vitamin D3 5000 IU + K2 as MK-7, Bone Health Support, Gluten Free, Non GMO, Vegetarian Capsules - 60 Veg Capsules

Is Doctor's Best Vitamin D3 and K2 Supplement for Men & Women's - Vitamin D3 5000 IU + K2 as MK-7, Bone Health Support, Gluten Free, Non GMO, Vegetarian Capsules - 60 Veg Capsules available worldwide?

Yes. This product is currently available on Vitamins4Australia with free shipping to Australia & the US.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to cart area. Returns guidance is available on the product page and full terms are covered in the store returns policy.