15d • Education
Hormone Imbalance #5- Vitamin D deficiency
Here are 5 things that vitamin D defiencies can be attributed to:
- Mood and fatigue. Vitamin D is crucial for serotonin that regulates mood, sleep and appetite. Low vitamin D has been directly associated with depression.
- Insulin and metabolic function. Vitamin D is needed for the production of insulin. Low levels contribute to not enough insulin secretion which causes the cells to not respond., worsening insulin resistance.
- Thyroid function. Vitamin D deficiency is associated with decreased sensitivity to thyroid hormones by more than 50%.
- Cortisol and adrenal function. When vitamin D levels are adequate, cortisol demands decrease, giving your adrenal glands an opportunity to shift resources back to producing sex hormones instead of being stuck in "fight or flight" mode.
- Sex hormones. During perimenopause, when your ovaries are already producing less estrogen and progesterone, vitamin D deficiency compounds the problem. Lower levels of SHBG (sex hormone binding gobulin) and estradiol have been associated.
Vitamin D is a crucial steroid hormone that can be synthesised through UV exposure of the skin.
Only 10% of vitamin D comes from dietary sources, while the remaining 90% is made by your body through sunlight exposure.
Production of vitamin D decreases by 13% every decade due to decreasing collagen in the skin, reducing the ability to synthesise it.
Declining estrogen levels in perimenopause accelerate that decrease, often due to skin becoming thinner, impairing its ability to produce vitamin D from sunlight.
Deficiencies in vitamin D can exacerbate hormonal imbalances that are already occurring in the body, amplifying every other imbalance, making everything harder to fix.
-Brian
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Hormone Imbalance #5- Vitamin D deficiency
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