Inositol
Synopsis of inositol
Inositol is a naturally occurring carbohydrate-like compound (often referred to as vitamin B8, though it’s not technically a vitamin) found in whole grains, fruits, beans, and organ meats, as well as synthesized in the human body. It plays a crucial role in cellular signaling, fat metabolism, nerve conduction, and hormone regulation, particularly in systems that involve insulin, serotonin, dopamine, and other neurotransmitters.
There are nine stereoisomers of inositol, with myo-inositol and D-chiro-inositol being the most biologically relevant. These forms are widely used in clinical and functional medicine for their ability to improve insulin sensitivity, mood stability, ovarian function, and metabolic health.
Inositol is best known for its use in:
- Polycystic Ovary Syndrome (PCOS): Helps regulate insulin and androgen levels, restore ovulation, and improve fertility
- Mood and anxiety disorders: Supports serotonin and GABA signaling, helping reduce symptoms of depression, panic disorder, and obsessive-compulsive disorder (OCD)
- Metabolic support: Assists in managing blood sugar and lipid levels, especially in those with insulin resistance or metabolic syndrome
- Neurological health: Aids in nerve function and may play a role in supporting cognitive performance and neuropathy
It is commonly taken as a powder, capsule, or tablet, often in daily doses ranging from 500 mg to 4 grams, depending on the condition.
Historical Use
Although not recognized as a vitamin, inositol was first identified in the mid-19th century in muscle tissue, and its name reflects this origin (“inos” is Greek for “muscle”). As nutritional science developed in the 20th century, researchers began to explore its role in lipid metabolism and cellular signaling, especially in the brain and endocrine systems.
In traditional diets, foods naturally rich in inositol—like brown rice, citrus fruits, and legumes—have long been associated with stable energy, mood, and fertility, though the compound itself was not specifically isolated or targeted in historical herbal systems.
In the last two decades, inositol (especially the myo- and D-chiro- forms) has become a cornerstone of evidence-based integrative approaches for reproductive health, mental wellness, and metabolic balance, supported by clinical trials and inclusion in medical guidelines for PCOS and fertility treatment.
Today, inositol is celebrated for its gentle, well-tolerated support of systems impacted by insulin resistance, hormonal imbalance, and neurochemical disruption, making it a versatile and valuable nutraceutical in modern wellness.
Inositol is used for these health conditions
Anxiety (Scientific)
Anxiety Disorders (Scientific)
Bipolar Mood Disorder (Scientific)
Bulimia (Scientific)
Depression (Scientific)
Diabetes (Scientific)
Memory and Brain Function (Scientific)
Obsessive Compulsive Disorder (Scientific)
PMS (general) (Scientific)
inositol is used to support these body systems
Brain (Scientific)
Female Reproductive System (Scientific)
Nerves (Scientific)
Ovaries (Scientific)
Reproductive System (Scientific)
Serotonin (Scientific)
Products containing inositol
Vitabase
Active Woman's Multi
Pure Encapsulations
Athletic Nutrients
Vitabase
B-Complex 100 mg Sustained Release
Pure Encapsulations
B6 Complex
Pure Encapsulations
B6 Complex
Pure Encapsulations
Biotin Complex Hair & Skin
Vitabase
Brain Support
Integrative Therapeutics
Cellular Forte w/IP-6
Metagenics
Cenitol® Powder
Integrative Therapeutics
Clinical Nutrients HP
Integrative Therapeutics
Detoxication Factors
Integrative Therapeutics
Detoxication Factors
Metagenics
Fem Prenatal®
Metagenics
Glutagenics
Metagenics
Glycogenics
Vitabase
Hair, Skin & Nails Formula
Designs For Health
Inositol
Pure Encapsulations
Inositol
Designs For Health
Inositol
Douglas Laboratories
Inositol
Pure Encapsulations
Inositol Complex
Designs For Health
Inositol Powder
Designs For Health
Insomnitol™ Chewables
Pure Encapsulations
IP6 Inositol Hexaphosphate
Integrative Therapeutics
K-PAX MitoNutrients
Klean Athlete
Klean B-Complex
Klean Athlete
Klean Multivitamin ™
Vitabase
Life's Essentials Plus
Metagenics
Lipo-Gen™
Metagenics
Lipo-Gen
Integrative Therapeutics
Lipotropic Complex
Pure Encapsulations
Lipotropic Detox
Designs For Health
LV-GB Complex™
Metagenics
Multigenics®
Metagenics
Multigenics Intensive Care
Metagenics
Multigenics Intensive Care without Iron
Metagenics
Multigenics without Iron
Designs For Health
NeuroCalm™
Designs For Health
Neurolink™
Pure Encapsulations
NeuroMood Pure Pack
Integrative Therapeutics
Nutrivitamin No-Iron
Pure Encapsulations
O.N.E.™ Multivitamin
Pure Encapsulations
O.N.E.™ Multivitamin
Pure Encapsulations
O.N.E.™ Multivitamin
Thorne
Ovarian Care
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™ Detox Program
Designs For Health
PaleoCleanse Plus™Chocolate Detox Kit
Designs For Health
PaleoMeal®
Designs For Health
PaleoMeal®
Metagenics
PhytoMulti™ Multivitamin
Metagenics
PhytoMulti With Iron
Metagenics
PhytoMulti Without Iron
Metagenics
PhytoMultivitamin
Designs For Health
Plant Protein Cleanse
Designs For Health
Plant Protein Cleanse Plus™ 570g
Designs For Health
Plant Protein Meal
Designs For Health
Plant Protein Meal Plus
Designs For Health
Plant Protein Meal
Pure Encapsulations
Polyphenol Nutrients
Pure Encapsulations
Polyphenol Nutrients
Pure Encapsulations
PureGenomics® B-Complex
Pure Encapsulations
PureGenomics® Multivitamin
Pure Encapsulations
PureGenomics® UltraMultivitamin
Designs For Health
Sensitol™
Pure Encapsulations
SeroPlus
Douglas Laboratories
Stress-B-Plus ™
Vitabase
Super Fat Burner
Vitabase
Super Stress Formula
Designs For Health
Thyrommune™ 60 Capsules
Metagenics
Thyrosol
Douglas Laboratories
Ultra B-Complex
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Ultra Preventive ® 2 Daily
Douglas Laboratories
Ultra Preventive ®-EZ Swallow
Douglas Laboratories
ULTRA PREVENTIVE® III W/COPPER
Douglas Laboratories
Ultra Preventive One Daily
Douglas Laboratories
Ultra Preventive® X
Pure Encapsulations
UltraDetox 10-Day Pure Pack
Metagenics
Wellness Essentials Active Daily Packs
Metagenics
Wellness Essentials Brain Health Daily Packs
Metagenics
Wellness Essentials® Daily Packs
Metagenics
Wellness Essentials Healthy Balance Daily Packs
Metagenics
Wellness Essentials Men's Vitality Daily Packs
Metagenics
Wellness Essentials Women's Daily Packs
Metagenics
Wellness Essentials Women's Prime Daily Packs
Pure Encapsulations
Women's Nutrients
Pure Encapsulations
Women's Nutrients
Additional Help
Talk with Dr. Shannyn
Get to the root of what’s really going on.
Symptoms like fatigue, bloating, skin issues, or mood changes often point to deeper imbalances. Our at-home lab tests make it easy to investigate hormone health, gut function, food sensitivities, and more—no clinic visit required.
Schedule a Free Consult →
Personalized support. No pressure. No cost.
At-Home Lab Testing
Want to know if your body really needs this ingredient?
Explore our at-home lab tests—from hormone and gut panels to toxin screenings. These simple kits give you data to back your decisions, and pair perfectly with natural ingredient guidance.
Explore Lab Testing →
Results interpreted with expert support. No clinic visit required.