There's No Such Thing As Vitamin D

About this formula

What would you think if I told you vitamin D doesn't exist?

Because it doesn't.

By definition, a vitamin is something that your body cannot create. You can and do create hormone D.

Before entering the body, this compound is known as a secosteroid hormone precursor. Calcitriol, 1,25-(OH) D3, and calcidiol, 25-(OH) D3, are just two well-known forms of the twelve major human D3 forms — but all forms of D3 are precursors to hormones, never true vitamins.

Secosteroid D (whether D2 from plants or D3 from animals or skin) must undergo enzymatic conversion steps in the body — first in the liver to calcidiol (25-hydroxy D3) and then mainly in the kidneys to calcitriol (1,25-dihydroxy D3). At no stage does D2 or D3 act like a vitamin — it functions as a prohormone immediately on entering the body.

The only reason it was historically called a vitamin is because early researchers didn't understand that it functions as a hormone. There is no valid scientific reason for labelling it a vitamin.

From the moment it is produced in the skin or ingested from food, it is part of a hormonal pathway — not a vitamin pathway.

If D3 is a hormone precursor rather than a vitamin, then supplementing it is not "topping up a nutrient" — it is interfering with a hormonal feedback system.

What you'll find in this article:

• Why D3 is a secosteroid hormone precursor, not a vitamin — and why the original labelling was a historical mistake nobody bothered to fix
• The 12 major forms of D3 in the human body and why your blood test only measures one or two of them
• What synthetic D3 supplementation actually does to calcium, magnesium and your hormonal feedback loops
• Why adding calcium or K2 to "fix" the problem can actually worsen it
• The peer-reviewed conditions linked to long-term D3 supplementation — from arterial calcification to neurodegeneration
• How to support real, usable hormone D year-round — even in the dark northern winter, without ever touching a synthetic capsule

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*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.