If you’re looking for mood, hormonal balance, or insulin sensitivity support from **Inositol**, the label dose won’t get you there. The suggested serving of 730 mg falls well short of the 2,000–4,000 mg clinical range. If you follow the label, you're getting roughly a third of the minimum studied dose — not enough to expect the benefits shown in trials for PCOS or anxiety support.
The upside is that this is a pure powder with 311 servings per container, so you can easily scale up. Taking a full teaspoon (~2,920 mg) puts you right in the clinical range, and the powder dissolves in water without filler ingredients getting in the way. That flexibility is the main advantage over capsule-based **Inositol** products.
Just know that the label dose won't get you there. You'll need to take roughly 3–4x the suggested serving to reach the doses backed by research, which changes how long this container actually lasts.
BioStacks
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
Trials dose 2 g twice daily — split it morning and evening rather than taking it all at once.
With or without food
On the label
Suggested Usage: Take 1/4 level teaspoon daily dissolved in water or other suitable beverage.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$22.04
Near the median of 55 inositol supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.