06/09/2026
Cholesterol gets flagged, medicated, and worried over more than almost any other marker in medicine. But the conversation rarely includes what cholesterol actually does in the body. And the list is longer than most people realize.
👉 Builds every steroid hormone in your body. Estrogen, progesterone, testosterone, cortisol, and DHEA are all made directly from cholesterol. No cholesterol, no hormones.
👉 Supports your brain and mood. The nervous system holds roughly 25% of the body's cholesterol. It supports neuron insulation, signalling, and the neuro steroids that regulate stress and mood.
👉 Makes vitamin D possible. When sunlight hits your skin, cholesterol is the raw material your body uses to begin vitamin D synthesis. It starts with cholesterol.
👉 Keeps every cell membrane intact. Cholesterol gives cell membranes their structure and flexibility. Without it, cells cannot regulate what moves in and out of them.
👉 Shifts naturally during perimenopause. As estrogen declines, LDL often rises and HDL can dip. This is a physiological transition, not a personal failure, and it needs hormonal context to be interpreted accurately.
Read more about cholesterol and your health on our latest blog
https://vibrant-living.ca/what-your-cholesterol-numbers-are-really-telling-you/
