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  2. Vitamins & Herbs
  3. Vitamins A-z
  4. Vitamin D

Vitamin D

Cholecalciferol is a form of vitamin D which is naturally synthesized in skin and functions as a pro-hormone, being converted to calcitriol. This is important for maintaining calcium levels and promoting bone health and development. As a medication, cholecalciferol may be taken as a dietary supplement to prevent or to treat vitamin D deficiency. One gram is 40,000,000 (40x106) IU, equivalently 1 IU is 0.025 µg. Dietary reference intake values for vitamin D (cholecalciferol and/or ergocalciferol) have been established and recommendations vary depending on the country.

Healthy Origins Vitamin D3 5000 iu Healthy Origins Vitamin D3 5000 iu 540 softgels
€43.43
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Healthy Origins Vitamin D3 5000 iu Healthy Origins Vitamin D3 5000 iu 360 softgels
€34.73
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OstroVit Vitamin D3 2000 + K2 OstroVit Vitamin D3 2000 + K2 90 softgels
€13.00
Out of stock
Oleofarm D-Vitum forte Max 4000 iu K2 Oleofarm D-Vitum forte Max 4000 iu K2 60 softgels
€16.09
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Nordic Naturals Vitamin D3+K2 Gummies Nordic Naturals Vitamin D3+K2 Gummies 60 gummies
€35.00
Out of stock
OstroVit Omega 3-6-9 + ADEK OstroVit Omega 3-6-9 + ADEK 60 caps
€11.00
Out of stock
Now Foods Vitamin D-3 4000 iu Now Foods Vitamin D-3 4000 iu 120 softgels
€15.00
Out of stock
Now Foods Vitamin D-3 4000 iu Now Foods Vitamin D-3 4000 iu 240 softgels
€22.50
Out of stock