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Bone health; Calcium utilisation; Cardiovascular health; Immune support
Adults with low sun exposure or limited intake of vitamin K–rich foods seeking simple daily bone and wellness support.
Take 1 capsule once daily, preferably with a meal to support absorption of fat-soluble vitamins; stay consistent at the same time each day.
Gluten free; Vegetarian; Free from synthetic colours and preservatives; Free from milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soya and sesame.
Vitamin D3 is converted to calcitriol, which may enhance intestinal calcium and phosphorus absorption and influence gene activity related to bone mineral balance and immune function.
Caution: Avoid excessive combined intake from multiple supplements, as too much vitamin D may raise blood calcium levels.
MK-7 activates vitamin K–dependent proteins such as osteocalcin and matrix Gla protein, which may help direct calcium into bones and away from soft tissues.
Caution: Consult a healthcare professional if using blood-thinning medications, as vitamin K can interact with their effects.
Vitamin D3 may increase calcium availability by supporting absorption, while vitamin K2 helps activate proteins that guide calcium into bone tissue. Together they address both calcium uptake and placement, supporting efficient mineral use.
Who should be cautious: People taking anticoagulants such as warfarin may need caution due to vitamin K content. Those using high-dose vitamin D or with conditions affecting calcium levels should seek advice. If combining with anticoagulant medications that may interact with vitamin K, it is recommended to consult a healthcare provider before use.
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Omega-3s may support cardiovascular health, and when combined with Vitamin D3 and K2, they may promote overall heart and bone wellness.
AI generated. Not medical advice.
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Extensive studies regarding the roles of Vitamins D3 and K2 in calcium metabolism indicate that these two vitamins have a synergistic relationship, especially in supporting bone strength and cardiovascular health. Vitamin D3 is recognised for its role in immune health as well as calcium absorption and metabolism, while vitamin K2 is known to help direct calcium to bones rather than arteries and joint spaces.
One capsule daily.
Microcrystalline cellulose, plant-based cellulose, silica, magnesium stearate and water.
Free from synthetic: colours, preservatives.
Free from milk,, eggs,, fish, crustacean shellfish, tree nuts, peanuts, wheat,, soya and sesame.
Keep tightly closed in a cool, dry place.
Keep out of reach of children.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally be despatched with alternative packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and do not rely solely on the information provided by iHerb. This website has been machine translated as a courtesy to customers. iHerb does not represent or warrant that the translations are complete or error-free and iHerb is not responsible for any translation errors or omissions.
| Supplement information | ||
| Serving Size: 1 Capsule | ||
| Amount Per Serving | % Daily Value | |
| Vitamin D (as cholecalciferol [D3]) | 25 mcg (1000 IU) | 125% |
| Vitamin K (as menaquinone-7 [K2]) | 100 mcg | † |
| †Daily Value not established. | ||
