D-Chiro-Inositol

D-Chiro-Inositol

Swanson Ultra4.8 (668 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 60 servings
$20.29 $0.33 per serving
iHerbLowest$20.29iHerb$20.29

Product analysis

66 out of 100

D-Chiro-Inositol offers a straightforward inositol and manganese combination with clear amounts and forms, making it easier to compare with similar formulas.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality40

Both ingredient sources are identified, but that does not establish high absorption quality. The inositol form cannot be ranked confidently against alternatives.

Ingredient Transparency100

Amounts and forms are clearly stated for both ingredients. That makes it easier to check the formula and compare servings.

Value For Money80

The available serving-cost comparison suggests good value. It does not establish the value of inositol separately from the full formula.

Customer Satisfaction81

Customer ratings are very favorable across a substantial number of reviews. They describe satisfaction without establishing effectiveness or safety.

Product Focus40

The formula stays relatively simple with inositol and manganese. A benefit for a particular health goal cannot be established from the available information.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.33
Customer rating
4.8 · 668 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
Manganese (Manganese Sulfate)
 3.6 mg 66
D-Chiro-Inositol (Chirositol M Carob extract)
 85 mg
Adults 18–50
Report overview
Manganese (Manganese Sulfate) · 3.6 mg OverallScore66
D- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value
The serving supplies a stated 3.6 mg of manganese at a moderate cost per serving. It uses Manganese Sulfate. This form may be less readily absorbed.
How this ingredient is rated

Active Ingredient Quality & Bioavailability40

Manganese sulfate is an inorganic form that may be less readily absorbed and less gentle on digestion.
Manganese Chemical Form
Manganese sulfate is an inorganic form that may be less readily absorbed and less gentle on digestion.

Dose, Safety & Label Transparency86

The 3.6 mg per serving may support nutritional maintenance, though it may be less suited to targeted bone matrix support. The manganese amount and source are stated.
Manganese Dosage Efficacy & Safety
The 3.6 mg per serving may support nutritional maintenance, though it may be less suited to targeted bone matrix support.
Elemental Weight Disclosure
The manganese amount and source are stated.

Value80

The cost per serving is moderate.
Price per Serving vs. Median
The cost per serving is moderate.
View ingredientView products
80 Performance

Silica Complex

NOW
The use of 2 mg chelated manganese alongside modest zinc and boron improves ingredient fit and clarity compared with the original’s modest D-chiro-inositol formula with manganese sulfate. The main horsetail extract lacks species, plant-part, and silica-yield details.
63 Performance

Ionic Manganese 10 mg

Trace Minerals Research
The use of 10 mg manganese gluconate in an easy-to-adjust liquid improves ingredient fit and clarity compared with the original’s modest D-chiro-inositol formula with manganese sulfate. A large unspecified trace-mineral component limits label clarity, and the manganese amount is not suitable for casual stacking.
72 Performance

Hyaluronic Joint Complex

Source Naturals
The use of 5 mg manganese ascorbate with collagen, glucosamine, chondroitin, and MSM improves ingredient fit and clarity compared with the original’s modest D-chiro-inositol formula with manganese sulfate. Overlapping source entries make some joint-ingredient amounts harder to interpret.
86 Budget

Manganese 10 mg

Source Naturals
A lower recurring cost and a focused 10 mg manganese amino acid chelate improve practical value compared with the original’s modest D-chiro-inositol formula with manganese sulfate. The chelate ligand is not identified, and the amount leaves little room for manganese from other supplements.
88 Budget

Chelated Manganese

Solgar
A lower recurring cost and an 8 mg manganese glycinate chelate with a clear elemental amount improve practical value compared with the original’s modest D-chiro-inositol formula with manganese sulfate. The dose is meaningful, so total manganese from food and other supplements still matters.
87 Budget

Chelated Manganese

Bluebonnet
A lower recurring cost and a clearly named 10 mg manganese bisglycinate chelate improve practical value compared with the original’s modest D-chiro-inositol formula with manganese sulfate. The amount sits near the adult upper limit and should not be stacked with other manganese supplements.
83 Value

Extra Strength Glucosamine Chondroitin

Source Naturals
The combination of 1.5 g glucosamine, 1.2 g chondroitin, and 6 mg manganese ascorbate with separate amounts provides stronger ingredient utility for the cost than the original’s modest D-chiro-inositol formula with manganese sulfate. The molybdenum complex does not identify its ligand, but the main joint actives are clear.
79 Value

Osteo Bi-Flex Triple Strength

Osteo Bi-Flex
The combination of 1.5 g glucosamine plus branded Boswellia and 2 mg manganese provides stronger ingredient utility for the cost than the original’s modest D-chiro-inositol formula with manganese sulfate. The combined chondroitin and MSM amount hides each contribution, and Boswellia standardization is not stated.
63 Value

Glucosamine Chondroitin Complex

Puritan's Pride
The combination of a low-cost joint complex with 2 mg manganese and vitamin C provides stronger ingredient utility for the cost than the original’s modest D-chiro-inositol formula with manganese sulfate. The combined complex hides separate glucosamine and chondroitin amounts, while manganese sulfate is less favorable.
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