Windmill Natural Vitamins Bilberry with Eyebright & Elderberry supplement bottle
Windmill Natural Vitamins

Bilberry with Eyebright & Elderberry

What We Researched
5 active ingredients analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
70
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (as Dicalcium Phosphate) 140 mg 11%
Eyebright, Powder (as Euphrasia officinalis, Powder) 350 mg
Elderberry Fruit Extract (as Sambucus nigra Fruit Extract) 15 mg
Bilberry, Powder (as Vaccinium myrtillus L., Powder) 5 mg
Bilberry, Powder (as Vaccinium myrtillus L., Powder) 5 mg
Bioavailability Very Good

Absorption Rating

  • Calcium (as Dicalcium Phosphate) Fair
  • Eyebright, Powder (as Euphrasia officinalis, Powder) Fair
  • Elderberry Fruit Extract (as Sambucus nigra Fruit Extract) Good
  • Bilberry, Powder (as Vaccinium myrtillus L., Powder) Good
  • Bilberry, Powder (as Vaccinium myrtillus L., Powder) Good
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Stearic Acid
  • Croscarmellose Sodium
  • Silica
  • Magnesium Stearate
  • Pharmaceutical Glaze
Efficacy Very Poor

Dosage Analysis

  • Calcium (as Dicalcium Phosphate) 140 mg Under-dosed
  • Elderberry Fruit Extract (as Sambucus nigra Fruit Extract) 15 mg Under-dosed
  • Bilberry, Powder (as Vaccinium myrtillus L., Powder) 5 mg Under-dosed
  • Bilberry, Powder (as Vaccinium myrtillus L., Powder) 5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calcium (as Dicalcium Phosphate) 140 mg 11%
Eyebright, Powder (as Euphrasia officinalis, Powder) 350 mg
Elderberry Fruit Extract (as Sambucus nigra Fruit Extract) 15 mg
Bilberry, Powder (as Vaccinium myrtillus L., Powder) 5 mg
Bilberry, Powder (as Vaccinium myrtillus L., Powder) 5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$15$14$13$12$11 $13.13
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
Windmill Natural Vitamins

Founded 1972 · West Caldwell, New Jersey, United States · 110 products · windmillvitamins.com/

Certifications

2 certifications
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

4 incidents
Fda Warning Sale of unregistered drug products in the Philippines.2021-10-15Source
Prop 65 Lead and cadmium2018-03-20Source
Lawsuit Misleading packaging (slack-fill)2018Source
Lawsuit False and deceptive marketing of a weight-loss supplement (QuickTrim)2012Source
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Frequently Asked Questions
Is Windmill Natural Vitamins Bilberry with Eyebright & Elderberry a good supplement?

Windmill Natural Vitamins Bilberry with Eyebright & Elderberry received a product quality score of 70/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients with 60 servings per container. Of the 7 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, Windmill Natural Vitamins, holds a brand trust score of 66/100 with 2 verified certifications including Non Gmo Project, Usda Organic.

What are the ingredients in Windmill Natural Vitamins Bilberry with Eyebright & Elderberry?

Windmill Natural Vitamins Bilberry with Eyebright & Elderberry contains 5 active ingredients: Calcium (as Dicalcium Phosphate) (140 mg), Eyebright, Powder (as Euphrasia officinalis, Powder) (350 mg), Elderberry Fruit Extract (as Sambucus nigra Fruit Extract) (15 mg), Bilberry, Powder (as Vaccinium myrtillus L., Powder) (5 mg), Bilberry, Powder (as Vaccinium myrtillus L., Powder) (5 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Windmill Natural Vitamins Bilberry with Eyebright & Elderberry safe to take?

Windmill Natural Vitamins Bilberry with Eyebright & Elderberry 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.

Is Windmill Natural Vitamins a trustworthy supplement brand?

Windmill Natural Vitamins receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in West Caldwell, New Jersey, United States, the company offers 110 products in their lineup. They hold 2 verified certifications including Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Windmill Natural Vitamins has 4 historical regulatory incidents on record, which are factored into the trust score.

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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.