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Vitamin D

Rosita Ratfish Liver Oil™ contains vitamin D3 (cholecalciferol), rather than vitamin D2 (ergocalciferol or pre-vitamin D).

The body also manufactures vitamin D3 from cholesterol, through a process triggered by the action of sunlight on the skin. Very few foods naturally contain vitamin D3. Good sources include fish liver oil and fatty fish such as salmon.

Both vitamin D2 and vitamin D3 when ingested undergo metabolism in the liver to form 25-hydroxyvitamin D [25(OH)D] and in the kidneys to 1,25-dihydroxyvitamin D [1,25(OH)2D].

Ratfish - bottom feeding - In crystal clear water

Vitamin D3 is chemically indistinguishable from the form of vitamin D produced in the body, and there is scientific evidence that it may be more effective than vitamin D2 at raising blood 25(OH)D levels. That is why many scientists recommend supplements that contain vitamin D3. Others believe that both forms are similarly effective.

Vitamin D3 health benefits

Exciting research has shown that many of the body’s organs and tissues have ‘vitamin D receptors.’ These are sites within our bodies where vitamin D is able to attach itself, and exert its positive health effects. It is little wonder therefore that research has recognized the benefit of this vitamin in promoting health effects on our hearts, immune systems and brains. A growing body of evidence indicates that vitamin D may help to:

  • Improve muscle strength.
  • Improve bone health and reduce the risk of fractures and osteoporosis.
  • Support normal blood pressure levels and prevent artery damage.
  • Reduce the risk of heart attack, heart failure, sudden cardiac death, stroke, overall cardiovascular disease, and cardiovascular death.
  • Reduce the risk of colon and other cancers.
  • Support the immune system, and as a result, reduce the risk of autoimmune diseases including type 1 diabetes, multiple sclerosis, and others; and boost the body’s defences to fight infectious diseases, such as tuberculosis and seasonal flu.

Low ratio of vitamin A to vitamin D

Rosita Ratfish Liver Oil™ has a naturally low ratio of vitamin A to vitamin D. This low ratio is truly unique among fish liver oils.

Research suggests that a low ratio may allow vitamin D to exert its full protective physiological effects within the body.

 

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