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Bone and teeth health; Calcium utilisation; Immune support; Eye and skin health
Adults with limited sun exposure or low intake of K-rich leafy greens seeking convenient daily fat-soluble vitamin support.
Adults take 1 capsule once daily with 240 ml of water or a preferred beverage; may be taken with or without food. Fat-soluble vitamins are often taken with a meal containing some fat for comfortable absorption.
Non-GMO; Soy-free; Dairy-free; Gluten-Free; Made in the UK; cGMP-certified manufacturing
Vitamin D3 is converted to calcitriol, which helps regulate calcium and phosphorus balance and supports normal bone mineralisation and immune function signalling.
Caution: High-dose vitamin D may increase calcium levels; consider spacing from high-calcium supplements and speak with a professional if you have a history of kidney stones or take medications affecting calcium.
Vitamin K2 activates proteins such as osteocalcin and matrix Gla protein, which help direct calcium into bones and away from soft tissues.
Caution: Vitamin K may interact with anticoagulant medicines such as warfarin; consult a professional before use if on blood-thinning therapy.
Vitamin K1 serves as a cofactor for enzymes that carboxylate clotting and calcium-binding proteins, supporting normal coagulation and calcium handling.
Caution: Those on anticoagulant medicines should seek guidance, as changes in vitamin K intake can affect medication management.
Vitamin A supports the formation of visual pigments and regulates gene expression involved in cell growth and tissue integrity.
Caution: Excess preformed vitamin A can be harmful in pregnancy and may cause adverse effects with very high intakes; avoid combining with other high-dose vitamin A supplements.
Vitamin D3 supports calcium absorption, while vitamins K1 and K2 activate proteins that help place absorbed calcium into bones and keep it from accumulating in soft tissues. Vitamin A contributes to epithelial and ocular functions that complement overall nutritional status alongside D and K.
Label Warning: Do not exceed the recommended dose. Pregnant or nursing individuals and those with a known medical condition should consult a doctor before use. Use caution if you have allergies or sensitivities to any listed ingredients. Discontinue use two weeks before surgery. Not intended for individuals under 18 years of age.
Who should be cautious: People taking anticoagulants such as warfarin should use caution due to vitamin K content. Those with conditions affecting calcium balance or sensitivity to high vitamin D intake may wish to seek personalised advice. If combining with medications that may interact with vitamin K or high-dose vitamin D, discuss with a healthcare provider before use.
Storage: Store in a cool, dry place. Keep out of reach of children and pets.
This product is guaranteed authentic and backed by our easy returns and refunds policy. Details
Cod liver oil naturally contains vitamins A and D, offering a convenient way to support immune and bone health.
AI generated. Not medical advice.
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Codeage ADK supplement includes 900 mcg of vitamin A as retinyl palmitate, 125 mcg of vitamin D3 (5000 IU), 1000 mcg of vitamin K1, and vitamin K2 in the forms of 1500 mcg MK4 and 300 mcg MK7.
This formula features multiple forms of vitamin K, including both vitamin K1 and K2 (menaquinone 4 and menaquinone 7), bringing together these key nutrients in one easy-to-take capsule.
Adults take 1 capsule daily, or as recommended by your healthcare practitioner, with 240 millilitres of water or your favourite beverage. May be taken with or without food.
Methylcellulose capsule, microcrystalline cellulose.
Made in the UK with globally sourced ingredients.
Do not exceed the recommended dose. Pregnant or nursing mothers and individuals with a known medical condition should consult a doctor before using this or any dietary supplement. Please use caution if you have any allergies or sensitivities to any of the listed ingredients. Discontinue use two weeks before surgery. Not intended for those under the age of 18.
Store in a cool, dry place. Do not use if the product has been opened or tampered with in any way. Keep out of reach of children and pets.
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: one capsule | ||
| One capsule contains: | Reference intake % | |
| Vitamin A (as retinyl palmitate) | 900 mcg | 100% |
| Vitamin D3 (as cholecalciferol) | 125 mcg (5,000 IU) | 625% |
| Vitamin K1 (as phylloquinone) | 1,000 mcg | 833% |
| Vitamin K2 (as menaquinone-4 & menaquinone-7) | 1,800 mcg | ** |
| **Reference intake (RI) not established. | ||
