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    Box with tablets containing calcium, vitamin D and vitamin K


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    Easily absorbable calcium preparation + vitamin D + K

    • High dose easily absorbed calcium added vitamin D and K
    • With vitamin K1, K2 and D3
    • For the maintenance of bones
    • The tablets have peppermint flavor and can be chewed
    • Good in combination with Bio-Magnesium
    • Manufactured under Danish pharmaceutical control
    • Please note that this is a Dutch package
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    Pharma Nord

    See related categories

    [Bones & Joints|, Children & Pregnancy|, Minerals|, Muscles & Training|, Teeth & Gums|, Vitamin|]
    1 tablet contains     % RDA*
    Calcium 500 mg   63%
    Vitamin D3 5 µg   100%
    Vitamin K 35 µg   47%

    * RDA = Recommended Daily Allowance.

    Product Facts

    1 tablet daily, unless otherwise advised. The tablets can be chewed or swallowed whole. Preferably before bedtime.
    2 tablets per day for children up to 6 years, pregnant women, lactating women and people above 60 years of age.
    Do not exceed the recommended daily dosage.

    Dietary supplements should not replace a varied diet.
    A healthy lifestyle and a varied balanced diet are important for maintaining good health.

    Dark, dry and at room temperature.
    Keep out of reach of young children.

    Calcium carbonate, sweetner: sorbitol, xylitol, anti-caking agent: polyvinyl-pyrrolidone, hydroxypropyl methylcellulose, magnesium salts of fatty acids, flavor enhancer: peppermint powder, strenghtening agent: silicon dioxide, menaquinon (vitamin K2), phytomenadion (vitamin K1) and cholecalciferol (vitamin D3).

    Bio-Calcium contains vitamin D3 to increase the absorption of calcium in the body and vitamin K for a good absorption of calcium in the bones.

    Bio-Calcium+D3+K1+K2 is ideal in combination with Bio-Magnesium (BioActive  Magnesium).

    What is Bio-Calcium+D3+K1+K2?

    Bio-Calcium+D3+K1+K2 contains important nutrients for the bones. The combination of calcium, vitamin D3 and vitamin K1/K2 helps the maintenance of normal bones. The calcium is ionised in the stomach, and the calcium ions are absorbed in the intestine with help from the vitamin D3. Vitamin K is absorbed in the small intestine where it helps maintaining healthy bone and is also part of the ability of the blood to coagulate. Bio-Calcium+D3+K1+K2 is also suitable as a chewable tablet.

    What is calcium?

    Calcium is an element and also the most abundant mineral in the human body. The most prominent function of calcium is its need in the maintenance of normal teeth and bones. Bone tissue also functions as the body's calcium storage facility. If the body gets too little calcium, it breaks down calcium from bone tissue to cover its needs.

    The percent of the body's calcium which is not channeled into teeth and bones supports different body functions. For instance, calcium contributes to:

    • Normal maintenance of muscle function 
    • Normal neurotransmission
    • Normal blood clotting
    • Normal energy metabolism
    • Normal function of digestive enzymes

    Calcium and bones

    The bones consist of living tissue that is constantly being replaced. The bone-forming cells are called osteoblasts and the bone-degrading cells are called osteoclasts. As bone tissue also functions as the body's calcium storage facility., it is particularly important that we absorb sufficient calcium in the bones. If the body gets too little calcium, the osteoclasts are activated which breaks down bone tissue to cover the body's need for calcium.

    It is important that you get enough calcium, vitamin D and vitamin K during the years when your bones are developing. Children and young people increase their bone mass because the osteoblasts are more active than osteoclasts up to the point where the bones reach their peak mass (usually around the age of 30 years). It's been called “building a bone bank.” After reaching this peak mass the amount of calcium lost from the bones will exceed the amount stored, causing a net loss of bone mass (about 0.6% per year). Although it is a slow and gradual loss, you will benefit from a high "peak bone mass" as possible right from the beginning of this age-related loss of bone mass.

    In addition, women suffer more from a hormone-related loss of bone mass from the beginning of their menopause. As a consequence their total annual loss of bone mass can be as much as six per cent when their ovaries stop producing hormones.

    Men's loss of bone mass is generally only one-half of that of women.

    An active non smoking lifestyle also helps to prevent loss of bone mass.

    As shown in the following illustration, women are more exposed to loss of bone mass than men. Research shows that women who are treated with estrogen are not necessarily in less need of calcium.

    Graph showing that women from 30 years of age loses more calcium from the bones than men.

    Where do we get calcium?

    • dairy products       
    • grain and seeds         
    • almonds nuts                       
    • vegetables                 
    • fruit

    What is vitamin D?

    Vitamin D is a fat-soluble vitamin that is available in several forms, of which D2 and D3 are the most important. D3 is the form of vitamin D that is absorbed most easily in the body. Vitamin D is in fact a pro-vitamin, as we are able to synthesize it in our skin when we get exposed to sufficient amounts of sunshine. However, at latitudes similar to Scandinavia the Sun is only high enough in the sky for us to produce vitamin D from may to september. Vitamin D is necessary for the body to metabolize calcium and for the function of bones and muscles.

    Vitamin D:

    Smiling and energized middle-aged woman

    • Has a role in the process of cell division and specialisation
    • Contributes to the maintenance of normal bones,teeth and muscle function
    • Plays a role in the absorption and utilization of calcium and phosphorus
    • Contributes to normal blood calcium levels
    • Supports a normal and well-functioning immune system

    In recent years, science has focused on our need for vitamin D. Health authorities recommend Vitamin D supplements to children, pregnant women, dark-skinned children/adults, veiled women (and others who wear garments that cover most of the body), and to individuals who rarely or never get exposed to sunlight. In addition, nursing home residents and people over the age of 70 are advised to take vitamin D as a means of protection against brittle bones.

    Calcium with vitamin D is necessary for normal bone formation in children.

    What is vitamin K?

    K-vitamin is a fat-soluble vitamin that supports the ability for blood to coagulate. It is also important for the maintenance of normal bone tissue, as K-vitamin contributes the maintenance of normal bones, through supporting the production of a protein called osteocalcin.

    Vitamin K is found in two natural forms: K1 (phylloquinone) and K2 (menaquinone), and a variety of synthetic forms, wherein the water-soluble form called K3 (menadione), normally not used in dietary supplements.

    A natural source of vitamin K1 are dark green vegetables. Vitamin K2 is produced by our intestinal bacteria. These bacteria can also transform K1 to different variants of K2. Infants can not form vitamin K. We usually get equal amounts of K1 and K2.

    K-vitamin and medicine

    People who receive blood-thinning medication should realize that an increased intake of vitamin K may reduce the effect of their medicine. However, the vitamin K doses that are known to neutralize the effect of blood-thinning drugs are 70-285 times higher than what is supplied from one Bio-Calcium+D3+K1+K2 tablet.

    Official claims

    The European Food Safety Authority (EFSA) has evaluated the evidence behind calcium, Vitamin D and vitamin K and has acknowledged the following claims:


    • Is needed for the maintenance of normal bones and teeth
    • Contributes to the maintenance of normal muscle function
    • Contributes to normal blood clotting
    • Contributes to normal neurotransmission
    • Contributes to normal energy-yielding metabolism
    • Contributes to normal function of digestive enzymes
    • Has a role in the process of cell division and specialisation
    • Calcium and vitamin D are needed for the normal growth and development of bone in children (Art. 14)

    Vitamin D

    • Contributes to the maintenance of normal bones and teeth
    • Contributes to normal blood calcium levels
    • Contributes to normal absorption/utilisation of calcium and phosphorus
    • Contributes to the maintenance of normal muscle function
    • Contributes to normal function of the immune system
    • Has a role in the process of cell division and specialisation
    • Vitamin D is needed for the normal growth and development of bone in children (Art. 14b)

    Vitamin K

    • Contributes to the maintenance of normal bones
    • Contributes to normal blood clotting

    Related Products

    Box with Bio-Magnesium tabletsBio-Magnesium: Magnesium is included together with calcium in bone and tooth tissue and also contributes to normal muscle function.