Vitamins D and K
Manufacturer: Life Extension
Supports healthy bones & cardiovascular health
Supplementation with 5,000-8,000 IU of vitamin D daily is required by many aging individuals
- Vitamin D facilitates calcium absorption into the bloodstream and thus plays an important role in maintaining bone density
- Vitamin K transports calcium from the bloodstream into the bone
Vitamin K is also required by calcium-regulating proteins in the arteries
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|2||16,19 €||Up to 1,35 €|
|4||15,86 €||Up to 4,05 €|
Vitamins D and K
Item Catalog Number: 02040EU
Overlooked by almost everyone (except Life Extension® members) is the critical importance of vitamin K. If one is concerned enough about their health to take higher dose vitamin D, it seems absurd to miss out on the benefits of vitamin K. For instance, vitamin D facilitates calcium absorption into the bloodstream and thus plays an important role in maintaining bone density. Less recognized is the need for vitamin K to transport calcium from the bloodstream into the bone. Vitamin K is also required by calcium-regulating proteins in the arteries.1-5 Together these two vitamins help maintain youthful calcium skeletal distribution while promoting vascular health.6-11
Vitamin K can be found in small amounts in the diet, but obtaining the desired higher potencies requires supplementation. Many Life Extension members obtain optimal potencies of long-acting vitamin K in the Super Booster or Super K formulations. An increasing number of new members, however, are asking for high-potency vitamin D—but are not taking any supplemental vitamin K.
To directly address this problem, Life Extension® has put together a formula called Vitamins D and K.
Serving Size 1 capsule
|Amount Per Serving|
|Vitamin D3 (as cholecalciferol) (3000 IU*)||75 µg|
|Vitamin K activity from:||600 mcg|
|Vitamin K1 (as phylloquinone)||500 mcg|
|Vitamin K2 (all-trans menaquinone-7)||100 mcg|
|Other ingredients: bulking agent (microcrystalline cellulose, cellulose gel), capsule (hydroxypropylmethylcellulose), anti-caking agents (magnesium salts of fatty acids and silicon dioxide [nano]).|
Dosage and Use
Take one (1) capsule once daily with food, or as recommended by a healthcare practitioner.
Individuals consuming more than 2,000 IU/day of vitamin D (from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Do not exceed 10,000 IU per day unless recommended by your doctor. Vitamin D supplementation is not recommended for individuals with high blood calcium levels. If you have a thyroid condition or are taking antithyroid medications, do not use without consulting your healthcare practitioner. If you are taking anticoagulant or antiplatelet medications, or have a bleeding disorder, consult with your healthcare provider before taking this product.
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Do not purchase if outer seal is broken or damaged.
When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
- J Bone Miner Metab. 2001;19(3):146-9.
- Osteoporos Int. 2007 Jul;18(7):963-72.
- J Bone Miner Res. 2007 Apr;22(4):509-19.
- Natural Vitamin K2 as Menaquinone-7. Monograph April 2006
- Blood. 2007 Apr 15;109(8):3279-83.
- Med. Hypotheses. 2007;(68):1026-34.
- J Am Coll Nutr. 1992 Oct;11(5):567-83.
- Endocrinology. 1984 Nov;115(5):1891-6.
- Curr Opin Lipidol. 2001 Oct;12(5):555-60.
- Atherosclerosis. 1995 Jul;116(1):117-23.
- Calcif Tissue Int. 1996 Nov;59(5):352-6.