(Posted On October 19, 2022)

Here’s a taste of how each vitamin works against breast cancer:

VITAMIN D – treating breast cancer cells with vitamin D suppresses their growth and promotes apoptosis (cell death) in rogue cells.  One analysis showed a 35% reduction in breast cancer risk when vitamin D status was healthy, particularly in pre-menopausal women.  A dearth of data links vitamin D deficiency with increased risk of breast cancer.  Correct your deficiency = reduce your risk.   But like most vitamins (see vitamin B9 below), it is important to not over-supplement.

VITAMIN A – in a large prospective analysis with 20 years of follow-up, women with higher levels of vitamin A had a reduced risk of breast cancer, particularly for the more aggressive cancers. Its role in regulating growth factors in breast tissue is likely a mechanistic link to its protective function.

VITAMIN B6 – This vitamin is widely known to buffer inflammation, which can be an exacerbating factor in cancer formation.  When over 2500 cases of breast cancer were studied, researchers concluded that higher levels of this vitamin reduced risk by 20%.

VITAMIN B9 (folate) – This vitamin was so named because it was first isolated by distilling down tons (literally) of spinach, which contains high levels of folate.   Since green leafy vegetables (like spinach), typically are one of the best sources of vitamin B9, the name was chosen to reflect its common source – foliage.   Vitamin B9 can be protective against breast cancer, as this review demonstrates, but it is worth noting that folate (bioavailable form in our cells) is not the same as folic acid (synthetic form in many supplements).   Evidence suggests there is a potential for over-supplementation with vitamin B9 so the best course of action would be to determine if a folate deficiency exists at the cellular level, and if so, correct it.   Vitamin B9 is one of those vitamins in which “more is not always better.”   Replete deficient cells.  Don’t create imbalances in cells that already have good nutrient status.  

(Spectracell)

Test, first.  Then replete.

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