Osavi Vitamin D3 + K2, 4000IU + 150mcg - 120 softgels
Osavi Vitamin D3 + K2, 4000IU + 150mcg - 60 softgels
Osavi Vitamin D3 + K2, 4000IU + 150mcg - 120 softgels
Osavi Vitamin D3 + K2, 4000IU + 150mcg - 60 softgels
"Very quick delivery. Used 3 times, each order arrived the next day before 12:00"
Hugo Dover
"Reliable & original products, with fast next day delivery. Have been using Welzo for over a year now."
Elina Goulliard
"Welzo is great, lots of support from customer service who are easy to get a hold of and quick delivery."
Elizabeth Moore

Product Description

Osavi Vitamin D3 + K2 is a vitamin D3 supplement that helps keep bones strong and heart health steady, and helps you stay steady on your feet. The main active ingredients are vitamin D3 and k2 in a coconut oil carrier for easier absorption. Osavi's commitment to quality shines through Quali-D and K2VITAL sourcing, giving you a dependable daily boost.

Benefits & Features:

  • Vitamin D3 supports normal bone density and immune function.
  • K2 vitamin MK-7 directs calcium to bones rather than arteries, supporting healthy vessels while working with vitamin D to improve mineral balance and long term bone health overall.
  • High dose vitamin D3 supports immune function and calcium regulation, helping you stay active and balanced.
  • Combined, D3 and K2 work together, with D3 boosting calcium absorption and K2 ensuring it goes to bones and away from arteries.
  • Softgels are easy to swallow and absorbed with coconut derived oil.

Osavi blends highly bioavailable vitamin D3 and vitamin K2 in a coconut oil carrier, a pairing that mirrors the body's calcium balance. The softgel formulation uses Quali-D and K2VITAL ingredients, chosen for purity and stability, so you get reliable daily support. As a vitamin d supplement, Osavi has built its reputation on clear sourcing and strict quality standards, helping you feel confident you're nourishing bones and heart health.

Ingredients/Specifications

Energy value, Fat, of which saturates, Carbohydrates, of which sugars, of which polyols, Protein, Salt, Vitamin D (D3, cholecalciferol) 4000 IU, Vitamin K (K2, menaquinone-7)

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

Take one softgel daily, preferably in the morning after a meal. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. Do not exceed the recommended daily dose. Food supplements should not be used as a substitute for a balanced diet. If you are pregnant, breastfeeding, taking any prescribed medication, or have any medical condition, consult a healthcare professional before taking this supplement.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

  Amount
Per Serving
%RI*
Energy value 22 kJ / 5.2581 kcal
Fat 0.5 g
of which saturates 0.5 g
Carbohydrates 0 g
of which sugars 0 g
of which polyols 0 g
Protein 0.1 g
Salt 0 g
Vitamin D (D3, cholecalciferol) 4000 IU 100 µg 2000%
Vitamin K (K2, menaquinone-7) 150 µg 200%

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Vitamin D3, often known as cholecalciferol, is a fat-soluble nutrient essential for backing normal bone and immune health. This form is cholecalciferol and is frequently used in supplements to help keep vitamin D levels up. This form helps with the body's calcium handling and general skeletal support via proven physiological routes. Vitamin D3 helps regulate calcium and phosphate uptake, supporting bone mineralisation and immune function as recognised by health authorities. It may also assist with muscle function and everyday immune support within normal physiological limits. The D3 and K2 combination is described as synergistic for guiding calcium to bones and supporting cardiovascular health, reflecting how these nutrients interact in bone and vessel tissues. Scientific research hints at this synergy, with Dr. van Ballegooijen from a European university noting that vitamin D3 and vitamin K2 team up to support bone and cardiovascular health. This product isn’t meant to diagnose, treat, cure, or prevent any disease.

Benefits & Features:

Available sizes: 1000 IU softgels (100 softgels) and 2000 IU softgels (60 softgels) support daily vitamin D status for many users. - Helps maintain bone and immune health with a straightforward daily intake. - Supports calcium balance and bone health, which matters for daily activity and long-term strength. - Keeps things simple for daily use with a familiar, easy-to-swallow softgel format. - Suitable for regular use alongside a balanced diet and lifestyle.

*This product is not intended to diagnose, treat, cure, or prevent any disease.

Why it's Welzo

Osavi is the brand we picked for this Vitamin D3 + K2 supplement because it lines up with Welzo's strict supplier criteria and our commitment to quality, transparency and reliability. When set beside other brands, Osavi shines for its clear focus on using proven, high-quality active ingredients such as Quali®-D for vitamin D3 and K2VITAL® for vitamin K2, plus a coconut-derived MCT medium to aid absorption.

Osavi’s approach to ingredient certification and sourcing mirrors a robust manufacturing philosophy centred on purity and potency. By prioritising certified raw materials, this brand demonstrates a steady, sustainability-minded standard that resonates with our quality ethos. Our team, including Welzo's healthcare pros, assessed how this brand keeps its material integrity and product consistency, confirming alignment with our quality standards.

This brand delivers a product-specific fit for a high-potency D3 plus K2 formulation, a pairing that is clinically sensible for bone and cardiovascular health within the context of well-absorbed nutrients. This makes Osavi a solid partner for this supplement. This selection was guided by our expert team and checked against our supplement quality standards.

Osavi Vitamin D3 + K2, 4000IU + 150mcg Softgels

94 Reviews
See full range
Osavi Vitamin D3 + K2 is a vitamin D3 supplement that helps keep bones strong and heart health steady, and helps you stay steady on your feet.
£9.17
Sale price £9.17
Save 15% Regular price £10.77
Email when stocked
Secure Transaction
Excellent
Free UK delivery of orders over £50
Order within , for delivery by tomorrow, April 27.
As seen in

Product Description

Osavi Vitamin D3 + K2 is a vitamin D3 supplement that helps keep bones strong and heart health steady, and helps you stay steady on your feet. The main active ingredients are vitamin D3 and k2 in a coconut oil carrier for easier absorption. Osavi's commitment to quality shines through Quali-D and K2VITAL sourcing, giving you a dependable daily boost.

Benefits & Features:

  • Vitamin D3 supports normal bone density and immune function.
  • K2 vitamin MK-7 directs calcium to bones rather than arteries, supporting healthy vessels while working with vitamin D to improve mineral balance and long term bone health overall.
  • High dose vitamin D3 supports immune function and calcium regulation, helping you stay active and balanced.
  • Combined, D3 and K2 work together, with D3 boosting calcium absorption and K2 ensuring it goes to bones and away from arteries.
  • Softgels are easy to swallow and absorbed with coconut derived oil.

Osavi blends highly bioavailable vitamin D3 and vitamin K2 in a coconut oil carrier, a pairing that mirrors the body's calcium balance. The softgel formulation uses Quali-D and K2VITAL ingredients, chosen for purity and stability, so you get reliable daily support. As a vitamin d supplement, Osavi has built its reputation on clear sourcing and strict quality standards, helping you feel confident you're nourishing bones and heart health.

Ingredients/Specifications

Energy value, Fat, of which saturates, Carbohydrates, of which sugars, of which polyols, Protein, Salt, Vitamin D (D3, cholecalciferol) 4000 IU, Vitamin K (K2, menaquinone-7)

UK Delivery & Returns

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

How to use

Take one softgel daily, preferably in the morning after a meal. Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children. Do not exceed the recommended daily dose. Food supplements should not be used as a substitute for a balanced diet. If you are pregnant, breastfeeding, taking any prescribed medication, or have any medical condition, consult a healthcare professional before taking this supplement.

Please consult the product packaging for accurate instructions on how to use the product.

Nutritional Information

  Amount
Per Serving
%RI*
Energy value 22 kJ / 5.2581 kcal
Fat 0.5 g
of which saturates 0.5 g
Carbohydrates 0 g
of which sugars 0 g
of which polyols 0 g
Protein 0.1 g
Salt 0 g
Vitamin D (D3, cholecalciferol) 4000 IU 100 µg 2000%
Vitamin K (K2, menaquinone-7) 150 µg 200%

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Vitamin D3, often known as cholecalciferol, is a fat-soluble nutrient essential for backing normal bone and immune health. This form is cholecalciferol and is frequently used in supplements to help keep vitamin D levels up. This form helps with the body's calcium handling and general skeletal support via proven physiological routes. Vitamin D3 helps regulate calcium and phosphate uptake, supporting bone mineralisation and immune function as recognised by health authorities. It may also assist with muscle function and everyday immune support within normal physiological limits. The D3 and K2 combination is described as synergistic for guiding calcium to bones and supporting cardiovascular health, reflecting how these nutrients interact in bone and vessel tissues. Scientific research hints at this synergy, with Dr. van Ballegooijen from a European university noting that vitamin D3 and vitamin K2 team up to support bone and cardiovascular health. This product isn’t meant to diagnose, treat, cure, or prevent any disease.

Benefits & Features:

Available sizes: 1000 IU softgels (100 softgels) and 2000 IU softgels (60 softgels) support daily vitamin D status for many users. - Helps maintain bone and immune health with a straightforward daily intake. - Supports calcium balance and bone health, which matters for daily activity and long-term strength. - Keeps things simple for daily use with a familiar, easy-to-swallow softgel format. - Suitable for regular use alongside a balanced diet and lifestyle.

*This product is not intended to diagnose, treat, cure, or prevent any disease.

Why it's Welzo

Osavi is the brand we picked for this Vitamin D3 + K2 supplement because it lines up with Welzo's strict supplier criteria and our commitment to quality, transparency and reliability. When set beside other brands, Osavi shines for its clear focus on using proven, high-quality active ingredients such as Quali®-D for vitamin D3 and K2VITAL® for vitamin K2, plus a coconut-derived MCT medium to aid absorption.

Osavi’s approach to ingredient certification and sourcing mirrors a robust manufacturing philosophy centred on purity and potency. By prioritising certified raw materials, this brand demonstrates a steady, sustainability-minded standard that resonates with our quality ethos. Our team, including Welzo's healthcare pros, assessed how this brand keeps its material integrity and product consistency, confirming alignment with our quality standards.

This brand delivers a product-specific fit for a high-potency D3 plus K2 formulation, a pairing that is clinically sensible for bone and cardiovascular health within the context of well-absorbed nutrients. This makes Osavi a solid partner for this supplement. This selection was guided by our expert team and checked against our supplement quality standards.

See full range
1 of 4

Where can I buy Osavi Vitamin D3 + K2, 4000IU + 150mcg Softgels in the United Kingdom?

What is the shelf life of Osavi Vitamin D3 + K2, 4000IU + 150mcg Softgels?

Where is Welzo based?

Disclaimer

Content team: Dr Sameer Nakedar

Role: Chief Medical Officer

MBBS (London, UK), MRCGP, PGCert

Content team: Paola Drexlar

Role: Medical Content Writer, UK

BA (Hons) Journalism