Forest Leaf D-Mannose Defense Dietary Supplement, Made with Cranberry supplement bottle
Forest Leaf

D-Mannose Defense Dietary Supplement, Made with Cranberry

What We Researched
4 active ingredients analyzed · 3 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
73
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (Ascorbic Acid) 20.0 mg 22%
D-Mannose 1000.0 mg
Cranberry Fruit 4:1 Extract (Vaccinium macrocarpon) (Providing 400mg of Cranberry Fruit) 100.0 mg
Hibiscus Flower (Hibiscus sabdariffa) 200.0 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin C (Ascorbic Acid) Fair
  • D-Mannose Good
  • Cranberry Fruit 4:1 Extract (Vaccinium macrocarpon) (Providing 400mg of Cranberry Fruit) Fair
  • Hibiscus Flower (Hibiscus sabdariffa) Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Microcrystalline Cellulose
  • Vegetable Stearate And Silicon Dioxide
Efficacy Very Poor

Dosage Analysis

  • Vitamin C (Ascorbic Acid) 20.0 mg Under-dosed
  • D-Mannose 1000.0 mg Under-dosed
  • Cranberry Fruit 4:1 Extract (Vaccinium macrocarpon) (Providing 400mg of Cranberry Fruit) 100.0 mg High
  • Hibiscus Flower (Hibiscus sabdariffa) 200.0 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (Ascorbic Acid) 20.0 mg 22%
D-Mannose 1000.0 mg
Cranberry Fruit 4:1 Extract (Vaccinium macrocarpon) (Providing 400mg of Cranberry Fruit) 100.0 mg
Hibiscus Flower (Hibiscus sabdariffa) 200.0 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Vegetable Stearate And Silicon Dioxide Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 $14.95
Target

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Forest Leaf

Founded 2016 · Garden Grove, CA, USA (mailing address) & Brooklyn, NY, USA (returns address) · 31 products · forestleaf.com/

Transparency

1 claim
Third Party Testing Claim — Claimed Source
Related Supplements
Frequently Asked Questions
Is Forest Leaf D-Mannose Defense Dietary Supplement, Made with Cranberry a good supplement?

Forest Leaf D-Mannose Defense Dietary Supplement, Made with Cranberry received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients with 30 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review.

What are the ingredients in Forest Leaf D-Mannose Defense Dietary Supplement, Made with Cranberry?

Forest Leaf D-Mannose Defense Dietary Supplement, Made with Cranberry contains 4 active ingredients: Vitamin C (Ascorbic Acid) (20.0 mg), D-Mannose (1000.0 mg), Cranberry Fruit 4:1 Extract (Vaccinium macrocarpon) (Providing 400mg of Cranberry Fruit) (100.0 mg), Hibiscus Flower (Hibiscus sabdariffa) (200.0 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Forest Leaf D-Mannose Defense Dietary Supplement, Made with Cranberry safe to take?

Forest Leaf D-Mannose Defense Dietary Supplement, Made with Cranberry has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.