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Inositol & Choline

Guides and comparisons How to read a supplement label in the EU

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Showing 1–12 of 32 results

Inositol and choline supplements as powders and capsules, including D-chiro-inositol, choline-and-inositol capsules and B-complex formulas with both. Inositol powders come in 57 g to 240 g, and capsule packs hold 60 to 360 units, with inositol capsules listed at 500 mg to 1,000 mg. A few other listings are herbal blends, gummies and essential oils in 10 ml and 30 ml sizes. Compare inositol powders by the grams in a serving and capsules by the milligrams per capsule and the capsules in a serving.

Frequently asked questions

How do I compare an inositol powder with inositol capsules?

A powder label gives the inositol per scoop or teaspoon in grams, while a capsule label gives milligrams per capsule or per serving. Convert both to the same unit (1 g is 1,000 mg) and compare the inositol per serving. Divide the pack price by the servings, which come from the net weight and the serving size. Powders with added B6 list it on a separate line.

Why do inositol and choline have no percentage on the label?

A percentage of the nutrient reference value (NRV) is printed only for vitamins and minerals that have an NRV in EU labelling law. Inositol and choline are not among them, so their amounts appear in milligrams alone. In a B-complex with choline and inositol the B vitamins do show a percentage; 1.4 mg of vitamin B6, for example, is 100 %.

What is the difference between inositol and D-chiro-inositol?

Inositol is a family of related forms, and the label should name the one the product contains. D-chiro-inositol is one such form, with its own name and amount on the label. Treat them as different ingredients and compare the amount of each form on its own line.