Windmill B Complex with Vitamin C & Iron supplement bottle
Windmill

B Complex with Vitamin C & Iron

What We Researched
12 active ingredients analyzed · 10 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
71
Product Score Fair
74
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid, Rose Hips) 150 mg 167%
Vitamin B1 (as Thiamine Hydrochloride) 5 mg 417%
Riboflavin 5 mg 385%
Niacin (as Niacinamide) 50 mg 313%
Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg 294%
Vitamin B12 (as Cyanocobalamin) 12.5 mcg 521%
Biotin 12.5 mcg 42%
Pantothenic Acid (as Calcium D-Pantothenate) 25 mg 500%
Iron (as Ferrous Fumarate) 20 mg 111%
Choline (as Choline Bitartrate) 20 mg 4%
Inositol 50 mg
Para-Aminobenzoic Acid 15 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (as Ascorbic Acid, Rose Hips) Fair
  • Vitamin B1 (as Thiamine Hydrochloride) Fair
  • Riboflavin Good
  • Niacin (as Niacinamide) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Vitamin B12 (as Cyanocobalamin) Fair
  • Biotin Good
  • Pantothenic Acid (as Calcium D-Pantothenate) Good
  • Iron (as Ferrous Fumarate) Fair
  • Choline (as Choline Bitartrate) Poor
  • Inositol Good
  • Para-Aminobenzoic Acid Good
Other Ingredients Good

Fillers & Additives

  • Microcrystalline Cellulose
  • Stearic Acid
  • Dicalcium Phosphate
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silica
  • Hypromellose
  • Glycerin
  • Carnauba Wax
  • Talc High
Efficacy Good

Dosage Analysis

  • Vitamin C (as Ascorbic Acid, Rose Hips) 150 mg Effective
  • Vitamin B1 (as Thiamine Hydrochloride) 5 mg Effective
  • Riboflavin 5 mg Effective
  • Niacin (as Niacinamide) 50 mg High
  • Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg Effective
  • Vitamin B12 (as Cyanocobalamin) 12.5 mcg Effective
  • Biotin 12.5 mcg Under-dosed
  • Pantothenic Acid (as Calcium D-Pantothenate) 25 mg Effective
  • Iron (as Ferrous Fumarate) 20 mg Effective
  • Choline (as Choline Bitartrate) 20 mg Under-dosed
  • Inositol 50 mg Under-dosed
  • Para-Aminobenzoic Acid 15 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid, Rose Hips) 150 mg 167%
Vitamin B1 (as Thiamine Hydrochloride) 5 mg 417%
Riboflavin 5 mg 385%
Niacin (as Niacinamide) 50 mg 313%
Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg 294%
Vitamin B12 (as Cyanocobalamin) 12.5 mcg 521%
Biotin 12.5 mcg 42%
Pantothenic Acid (as Calcium D-Pantothenate) 25 mg 500%
Iron (as Ferrous Fumarate) 20 mg 111%
Choline (as Choline Bitartrate) 20 mg 4%
Inositol 50 mg
Para-Aminobenzoic Acid 15 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

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.

Dicalcium Phosphate Safe

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

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$16$15$14$13$12 $13.66
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

Founded 1972 · West Caldwell, New Jersey, United States · 150 products · windmillvitamins.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

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

Violation History

4 incidents
Prop 65 Lead2024-11-15Source
Prop 65 Lead and Cadmium2018-10-01Source
Lawsuit Deceptive packaging with excessive empty space (slack-fill) in their Super Greens product containers.2018Source
Fda Warning Violations of Current Good Manufacturing Practices (cGMP) and making drug claims for several of their supplement products.2014-10-07Source
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Frequently Asked Questions
Is Windmill B Complex with Vitamin C & Iron a good supplement?

Windmill B Complex with Vitamin C & Iron received a product quality score of 71/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 100 servings per container. Of the 10 inactive ingredients, 9 are rated safe and 0 are flagged for review. The manufacturer, Windmill, holds a brand trust score of 74/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Windmill B Complex with Vitamin C & Iron?

Windmill B Complex with Vitamin C & Iron contains 12 active ingredients: Vitamin C (as Ascorbic Acid, Rose Hips) (150 mg), Vitamin B1 (as Thiamine Hydrochloride) (5 mg), Riboflavin (5 mg), Niacin (as Niacinamide) (50 mg), Vitamin B6 (as Pyridoxine Hydrochloride) (5 mg), Vitamin B12 (as Cyanocobalamin) (12.5 mcg), and 6 more. Notable high-dose ingredients include Vitamin B1 at 417% DV, Riboflavin at 385% DV, Niacin at 313% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Windmill B Complex with Vitamin C & Iron safe to take?

Windmill B Complex with Vitamin C & Iron 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 a trustworthy supplement brand?

Windmill receives a brand trust score of 74/100 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 150 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Windmill has 4 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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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.