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Everyday support for cellular and metabolic wellbeing.
Inositol is a naturally occurring compound made by the body and found in foods including citrus fruits, beans, whole grains, nuts and seeds. Sometimes called vitamin B8 (although it is not technically a vitamin), it plays a role in cell membranes, cellular communication and metabolic signalling.
Our range of inositol supplements offers a convenient way to add a clearly measured amount to your routine. Discover powders and capsules, alongside selected standalone and combined formulas designed to suit different lifestyles and nutrition goals.
Compare the form of inositol, serving size, supporting ingredients and dietary suitability to find the right fit for you. Explore our high quality selection of inositol supplements from leading brands including NOW Foods and Vivo Life.
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Inositol is a naturally occurring sugar alcohol that the body can produce from glucose. It forms part of cell membranes and supports the signalling pathways involved in how cells respond to hormones, insulin and neurotransmitters.
There are several forms, including myo-inositol, D-chiro-inositol and inositol hexaphosphate, also known as IP6. Myo-inositol is the most common form in the body and the one most widely researched in relation to PCOS, hormonal signalling and metabolic health.
Inositol is also found naturally in foods such as oranges, melons, beans, whole grains, nuts and seeds. In plant foods, some occurs as phytic acid, which is absorbed differently from free-form inositol supplements.
Inositol supplements offer several health benefits, especially for those with conditions like PCOS. They can help regulate insulin levels, improve ovulation and support better pregnancy outcomes for people with PCOS. Inositol may also help lower triglyceride levels, reduce blood pressure and promote healthier blood sugar levels. While it’s not a weight loss solution, it can help control hunger and cravings and may assist with insulin resistance when combined with healthy eating habits.
The right formula depends on your goals and how you prefer to supplement. Myo-inositol is the most widely researched form, while some products combine it with D-chiro-inositol or include inositol alongside nutrients such as choline, folate, vitamins, minerals or botanical extracts.
Powders are easy to mix into water or another drink, while capsules offer convenient, measured servings. Strengths and ingredient combinations vary, so check the individual label for the form, daily serving, dietary suitability and any overlapping ingredients in other supplements you take.
Inositol is generally well tolerated when taken according to the individual product’s directions. Serving sizes vary by formula, so follow the label rather than assuming one daily amount is suitable for everyone.
Higher intakes may cause digestive effects such as nausea, bloating or diarrhoea. Speak to your GP or a healthcare professional before supplementing if you are pregnant, breastfeeding, trying to conceive, taking medication or managing a health condition such as PCOS, insulin resistance or diabetes.