In addition a key role in the transfer of ions, cholesterol is the precursor to vitamin D3, sex hormones, estrogen, progesterone and testosterone, and steroid hormones such as cortisol. Cholesterol is absolutely essential to the cell membranes of all our cells, which protects the cell ion leakage, but also damage the membrane that Hair Vitality fat oxidation. While that the brain contains only 2% of body weight, which comprises 25% of the cholesterol in the body. Cholesterol is vital for the brain to transmit signals in nerve endings through the long axes that continue from one side to the other brain. Cholesterol sulfate plays an important role in fat metabolism by bile acids, as well as immune defenses against invasion by pathogens.

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