NutraBio Vitamin D3 & K2 - 5000 IU D3 + 180mcg Vitamin K2 (MK-7) - 60 Vegetable Capsules

Key Health Benefits

Bone Health: Vitamin D3 contributes to the normal absorption and utilisation of calcium and phosphorus, while vitamin K2 contributes to the maintenance of normal bones.*

Heart Health: Vitamin K2 helps activate matrix GLA protein, which may support the maintenance of normal arterial flexibility.*

Immune Support: Vitamin D3 contributes to the normal function of the immune system.*

Dental Health: By directing calcium to the teeth, vitamin K2 also supports the maintenance of normal tooth enamel and oral health.*

Why Take Vitamin D3 and K2 Together?

Vitamin D3 and vitamin K2 are two essential nutrients that work in tandem to support multiple aspects of health. Vitamin D3 (cholecalciferol) helps the body absorb calcium from the diet. However, without adequate vitamin K2, that calcium may not be directed to the right places. Vitamin K2, particularly in its highly bio-available MK-7 form, helps activate proteins that guide calcium towards the bones and teeth, while helping maintain arterial flexibility. Taking them together ensures that calcium is utilised effectively, supporting both bone strength and cardiovascular health.

Understanding the Synergy: How D3 and K2 Work Together

The synergy between vitamin D3 and K2 is rooted in their complementary roles in calcium metabolism. When you consume calcium, vitamin D3 helps increase its absorption in the intestines by supporting the production of calcium-binding proteins. Once calcium enters the bloodstream, vitamin K2 steps in to activate two key proteins: osteocalcin and matrix GLA protein (MGP). Osteocalcin helps bind calcium to the bone matrix, contributing to bone density. MGP, on the other hand, helps prevent calcium from depositing in soft tissues like arteries and veins. By directing calcium to where it is needed most, this combination supports skeletal integrity and cardiovascular function.

Why Choose NutraBio Vitamin D3 K2?

NutraBio’s Vitamin D3 K2 supplement stands out for its quality and transparency. Each serving delivers 5000 IU of vitamin D3 as cholecalciferol and 180 mcg of vitamin K2 as MENA-Q MK7, a premium form of menaquinone known for high bioavailability. The formula is non-GM, gluten-free, lactose-free, and encapsulated in vegetable capsules, making it suitable for various dietary preferences. NutraBio provides a full-disclosure label, meaning you always know exactly what you are getting. Every batch is independently tested to ensure potency and purity, giving you confidence in your supplement choice. Many users appreciate the combination’s effectiveness and the brand’s commitment to quality.

What to Look For in a D3 + K2 Supplement

When choosing a vitamin D3 and K2 supplement, consider the dosage and form of each nutrient. Vitamin D3 is typically measured in international units (IU), with 5000 IU being a common dosage for those needing additional support. For vitamin K2, the MK-7 form is often preferred due to its longer half-life and sustained activity in the body. A ratio of 5000 IU D3 to 180 mcg K2 (MK-7) provides a balanced combination. Look for products with transparent labelling, no proprietary blends, and independent testing to verify potency and purity. NutraBio meets these standards with fully disclosed ingredients and independent lab testing.

Recommended Dosage

As a food supplement, take one vegetable capsule daily with food, or as directed by your health care professional. This serving provides 5000 IU of vitamin D3 and 180 mcg of vitamin K2. Individual needs may vary based on age, diet, and health status. Consult a health care professional to determine the appropriate dosage for you. Food supplements should not be used as a substitute for a varied diet and healthy lifestyle.

Frequently Asked Questions

When is the best time to take vitamin D3 and K2? Because vitamin D3 is fat-soluble, taking it with a meal that contains fat can enhance absorption. Vitamin K2 is also fat-soluble, so taking the combination with food is recommended.

Can I take vitamin D3 and K2 if I am on blood thinners? Vitamin K2 can interact with anticoagulant medications like warfarin. If you are taking blood thinners, consult your health care provider before using this supplement.

Are there any side effects? Vitamin D3 and K2 are generally well tolerated when taken at recommended dosages. Excess vitamin D3 can lead to calcium imbalances, so do not exceed the suggested serving. Always follow label directions.

*These statements have been evaluated by the European Food Safety Authority and relate to authorised health claims. This product is not intended to diagnose, treat, or prevent any disease.