Windmill Natural Vitamins Sustained Release C 1500 with Rose Hips supplement bottle
Windmill Natural Vitamins

Sustained Release C 1500 with Rose Hips

What We Researched
2 active ingredients analyzed · 10 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
56
Product Score Poor
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 1500 mg 1667%
Rose Hip, Powder 150 mg
Bioavailability Poor

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Rose Hip, Powder Poor
Other Ingredients Good

Fillers & Additives

  • Vegetable Stearin
  • Stearic Acid
  • Microcrystalline Cellulose
  • Silica
  • Magnesium Stearate
  • Water
  • Hypromellose
  • Glycerin
  • Talc High
  • Carnauba Wax
Efficacy Fair

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 1500 mg Effective
  • Rose Hip, Powder 150 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid) 1500 mg 1667%
Rose Hip, Powder 150 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Stearin Generally_safe

It is used as a lubricant or release agent in supplement manufacturing.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Microcrystalline Cellulose Safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Water Safe

Dissolves and carries water-soluble ingredients.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$17$16$15$14$13 $15.09
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 Sustained Release C 1500 with Rose Hips a good supplement?

Windmill Natural Vitamins Sustained Release C 1500 with Rose Hips received a product quality score of 56/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 2 active ingredients with 60 servings per container. Of the 10 inactive ingredients, 8 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 Sustained Release C 1500 with Rose Hips?

Windmill Natural Vitamins Sustained Release C 1500 with Rose Hips contains 2 active ingredients: Vitamin C (as Ascorbic Acid) (1500 mg), Rose Hip, Powder (150 mg). Notable high-dose ingredients include Vitamin C at 1667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Windmill Natural Vitamins Sustained Release C 1500 with Rose Hips safe to take?

Windmill Natural Vitamins Sustained Release C 1500 with Rose Hips 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.