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
NOW

Inositol Powder

Powder · 311 servings · $0.07/serving

10 / 100Very Poor

Supports

Score Breakdown

Formulation
10
Safety
100
Final score
10/100

Ingredients (1)

Inositol, Powder730 mg

37% of effective dose

Label Nutrition Facts

Other Ingredients

Fillers, coatings, and additives

No other ingredients listed

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and 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. clinical 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.