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The Secrets of Vitamin D (3rd Edition)

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A few years ago, I was diagnosed with severe Vitamin D deficiency. My doctor recommended very low dosage of Vitamin D supplements to alleviate my deficiency. This sparked a deep curiosity within me to delve into the realm of Vitamin D supplements. It is disheartening that numerous doctors continue to follow outdated Vitamin D guidelines and exhibit reluctance in conducting Vitamin D tests. Motivated by this, I made the decision to pen a book, aiming to unveil the lesser-known aspects of Vitamin D that the mainstream media and medical community frequently overlook.


"The Secrets of Vitamin D" is an illuminating book that unveils the hidden potential of vitamin D in promoting optimal health and well-being. With a mission to uncover the lesser-known aspects of this essential nutrient, this book serves as a captivating resource for readers seeking to harness the transformative benefits of vitamin D.

You will get a PDF (19MB) file

What people are saying

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This is an excellent book. It’s basically criminal that health authorities have not updated Vitamin D recommendations.

— Rosanna Walters

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Thanks a lot for writing this book! Good information that I didn’t know about! I had added 10,000 iu back per day this Spring (knowing I wasn’t getting much sun) after doing 40,000 iu last year and 2021 for psoriasis and my tests recently came back as 101 ng/ML! However, my doctor just told me to just take them every other day and didn’t yell at me.

— Natalie Lloyd

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Thanks for sharing your experience. At the start of the pandemic, I started on 10,000 IU of D3, plus K2, zinc and C. I had read that this was good for immunity. Last year when I went to my pcp, she said my bloodwork showed that I had hypercalcemia which was causing osteopenia. She told me that high doses of D3 can cause this. My D test showed I was at 100. So she told me to cut my dose of D3 in half. I have now been taking 5000 IU.

— Farrah Morrow