Windmill B12 Energy supplement bottle
Windmill

B12 Energy Review

What We Researched
6 active ingredients analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
95
Product Score Excellent
83
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D3 (as Cholecalciferol) 25 mcg 125%
Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg 294%
Folate 555 mcg DFE 139%
Vitamin B12 (as Methylcobalamin) 1000 mcg 41667%
Biotin 300 mcg 1000%
Super Fruit Blend 20 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folate Fair
  • Vitamin B12 (as Methylcobalamin) Good
  • Biotin Good
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Xylitol
  • Natural Flavor
  • Citric Acid
  • Malic Acid
  • Silica
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 25 mcg Effective
  • Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg Effective
  • Folate 555 mcg DFE Effective
  • Vitamin B12 (as Methylcobalamin) 1000 mcg Effective
  • Biotin 300 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D3 (as Cholecalciferol) 25 mcg 125%
Vitamin B6 (as Pyridoxine Hydrochloride) 5 mg 294%
Folate 555 mcg DFE 139%
Vitamin B12 (as Methylcobalamin) 1000 mcg 41667%
Biotin 300 mcg 1000%
Super Fruit Blend 20 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Natural Flavor Safe

Improves taste of chewable, gummy, or liquid supplements.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Windmill

Founded 1972 · West Caldwell, New Jersey, United States · 302 products · windmillvitamins.com/

Certifications

2 certifications
Fda Gmp Inspections Verified Source
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source
Testing Lab Disclosure — True

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 B12 Energy a good supplement?

Windmill B12 Energy received a product quality score of 95/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 active ingredients with 100 servings per container. All 7 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Windmill, holds a brand trust score of 83/100 with 2 verified certifications including Fda Gmp Inspections, NSF Certified.

What are the ingredients in Windmill B12 Energy?

Windmill B12 Energy contains 6 active ingredients: Vitamin D3 (as Cholecalciferol) (25 mcg), Vitamin B6 (as Pyridoxine Hydrochloride) (5 mg), Folate (555 mcg DFE), Vitamin B12 (as Methylcobalamin) (1000 mcg), Biotin (300 mcg), Super Fruit Blend (20 mg). Notable high-dose ingredients include Vitamin B6 at 294% DV, Vitamin B12 at 41667% DV, Biotin at 1000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Windmill B12 Energy safe to take?

Windmill B12 Energy has been analyzed for ingredient safety across all its components. All 7 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. 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 83/100 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 302 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, NSF Certified. 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.

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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 — read our methodology. 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.