Vitamin D: The Sun Hormone and the Invisible Deficiency

At a glance

21 minute read

At a glance

Persistent fatigue, weak immunity, mood swings? In Quebec, nearly one in two people are deficient in vitamin D without knowing it. This essential hormone influences over 2,000 genes and plays a key role in immunity, mood, and energy. Discover why it's so important and how to maintain good levels year-round.
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The sunshine hormone

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Sunshine Vitamins: Understanding D3, K2, and the Hormone Your Body Craves

The human body is intimately linked to light. When the sun touches your skin, a veritable biochemical reaction is triggered: your body makes vitamin D, a substance essential for its balance.

In Quebec, the problem is simple: for almost eight months of the year, the sun is too low to allow for sufficient vitamin D production. As a result, a large portion of the population has insufficient levels, often without knowing it.

From time immemorial, humans have intuitively understood the importance of the sun. The Greeks practiced heliotherapysunbathingThe Nordic people consumed cod liver oil to get through the winter, and sanatoriums in the early 20th century relied on light baths.

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The content published on this site, including blog posts published by the Association, is provided For educational and informational purposes only. It aims to convey general knowledge about prevention and well-being and in no case constitutes :

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