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Inositol

Resource Description

Inositol is a type of sugar alcohol that is naturally found in various foods and is also produced by the human body. It is often referred to as vitamin B8, although it is not considered a true vitamin because the body can synthesize it.

Inositol plays several important roles in the body, including:

  1. Cell membrane structure: Inositol is a component of cell membranes and is involved in maintaining their integrity and function.

  2. Cell signaling: It serves as a precursor for second messengers in cell signaling pathways, such as inositol triphosphate (IP3) and diacylglycerol (DAG), which are involved in intracellular signaling processes.

  3. Neurotransmitter function: Inositol is involved in the regulation of neurotransmitter signaling in the brain, particularly for neurotransmitters like serotonin, dopamine, and norepinephrine.

  4. Lipid metabolism: It plays a role in lipid metabolism, including the breakdown of fats and the regulation of cholesterol levels.

  5. Insulin signaling: Inositol has been shown to enhance insulin sensitivity and may play a role in glucose metabolism and diabetes management.


Inositol is available as a dietary supplement and is sometimes used for various health purposes, such as promoting mental health and treating conditions like anxiety, depression, and polycystic ovary syndrome (PCOS).


It brings a feeling of calm for about two hours after taking it. Interestingly, before all the ADHD medications came out, nurses used to give it to kids at school to help them calm down and focus.



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