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Varumärke: Thorne ResearchArtikelnummer: 3176

Thorne Research D-25000 60 kapslar

269 kr
Finns i lager
Ej i lager, beställningsvara.
Ej i lager, beställningsvara.

D-25.000 (25.000 IE vitamin D3 utan konserveringsmedel)


D-vitamin är ett essentiellt vitamin/hormon som produceras i huden genom ultraviolett strålning. D-vitamin är viktigt för kalciumbalansen, skelettdensiteten, immuna funktioner och korrekt celltillväxt (skydd mot flera former av cancer). Forskning som gjorts nyligen visar att många individer kan ha brist på D-vitamin. Särskilt utsatt är befolkningen på de nordliga breddgraderna som inte exponeras tillräckligt mycket för solen.

De flesta D-vitaminprodukter på marknaden innehåller dolda konserveringsmedel. Thorne's D-25000 tillhandahåller 25000 enheter (I.U.) rent D-vitamin per kapsel, utan konserveringsmedel.

Vissa personer svarar bra på en initial dos på 25.000-50.000 IE i allt från några dagar till upp till en vecka, som följs åt av en lägre underhållsdos.

1 kapsel innehåller:
Vitamin D (som vitamin D3)25000 IE

Storlek: 60 kap




For individuals needing short-term, very high-dose vitamin D supplementation

  • Thorne's vitamin D is pure vitamin D - without hidden ingredients like lactose, BHT, BHA, sodium benzoate, and sorbic acid
  • 25,000 IUs per capsule for short-term high-dose supplementation or for once-weekly dosing
  • Made without flowing agents that can inhibit bioavailability
  • Supports cardiovascular, immune, and bone health*


Product Information

It is essential to maintain healthy vitamin D levels throughout all stages of life, from fetal development to old age.* Vitamin D helps protect a number of important functions in the body.* The current recommended daily vitamin D intake is 200-600 IU, and is based on the minimum allowance to protect against bone disease. However, an upward revision of the FDA's guideline is now under consideration in light of new research, especially pertaining to immune function. Cutting-edge research suggests serum vitamin D levels should be in the range of 50-80 ng/mL 25-hydroxyvitamin D (25(OH)D). Although direct sunlight exposure is a good source of vitamin D, many people do not get enough sun due to season change, latitude, or lifestyle. Therefore, vitamin D supplementation can be of great benefit in these cases.*

Vitamin D deficiency is quite common, particularly among the elderly.* For example, a study conducted at a hospital in Glasgow, Scotland, found an almost universal vitamin D deficiency among a group of 548 elderly patients. Individuals deficient in vitamin D may need 5,000-10,000 IU of vitamin D daily to replenish tissue stores.* Other individuals who may need higher doses of vitamin D include the obese (the more a person weighs, the greater their vitamin D requirements), individuals with chronic disease, darker-skinned populations, and those with fat malabsorption.*

Some individuals respond well to an initial loading dose of 25,000-50,000 IUs for several days to a week, followed by lower maintenance dosing.* With these individuals specifically in mind, Thorne's D-25,000 supplies 25,000 IU of pure vitamin D3 in each vegetarian capsule. Short-term (2-3 days) high-dose vitamin D may also support healthy immune function.*

Some vitamins, because of their potency, are usually given in very small amounts. Examples of such "micro-dose" vitamins include vitamin D, vitamin K, and vitamin B12. Most dietary supplement manufacturers purchase "micro-dose" vitamins from raw material suppliers as premixed dilutions, meaning the vitamins (in powder form) are mixed with other powdered substances that in turn make it easier for the manufacturer to handle and mix a larger quantity of raw material. Unfortunately, the powdered substances used in these premixed dilutions frequently contain potentially detrimental ingredients such as lactose and also the preservatives BHT, BHA, sodium benzoate, and sorbic acid.

At Thorne Research, our promise is to give you the purest supplements humanly possible. Therefore, we do not purchase premixed dilutions of any "micro-dose" vitamins. Instead, we purchase pure, undiluted vitamins and create our own dilutions when it is necessary to do so, using pure, hypoallergenic powders, such as magnesium citrate or plant cellulose. The resultant premixture is then added to the dietary supplement being made, ensuring the proper amount of each pure nutrient is contained in each capsule.

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