Make Your Own Vitamin D Supplements for Pennies – Dr.Berg


Mushrooms have insignificant amounts of vitamin D unless they are exposed to ultraviolet B light.  There is some interesting research on how exposing mushrooms to ultraviolet B light can boost their vitamin D levels. It may be possible to boost the vitamin B in mushrooms from 5,000 IU to 46,000 IU or more. It’s good to consume your mushrooms with some type of fat, like butter, to help increase vitamin D absorption.


Other nutrients in mushrooms:

  • B vitamins
  • Selenium 
  • Zinc
  • Copper 
  • Vitamin C 
  • Potassium
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Mushrooms I recommend:

  • Shitake
  • Maitake
  • Oyster 
  • Button

How to make your own vitamin D supplements:

1. Obtain organic mushrooms 

2. Use the sun in the summer or use UV light year-round. Take the stems off of the mushrooms and place them on a tray with the gills facing upward (slice button mushrooms lengthwise). Put them in the sun or under UV light from 10 am-6 pm. After 6 pm, take them inside and cover the tray.

3. The next day, re-expose the mushrooms to the sun or UV light (keep them in a low-moisture environment). If the mushrooms are still not dried out, put them in a food dehydrator. 

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4. Store the mushrooms in a sealed glass jar with a small amount of dry rice (to absorb any moisture) and seal the lid. They will last up to one year. 

Thanks for reading! I hope this inspires you to use mushrooms to make your own vitamin D supplements. Give it a try.

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