Bayer One A Day Women's supplement bottle
Bayer

One A Day Women's

What We Researched
· 13 inactive ingredients decoded · Last updated: Mar 2026
21
Product Score Poor

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Poor

Fillers & Additives

  • Microcrystalline Cellulose
  • Gelatin
  • Maltodextrin
  • Color (Riboflavin, Titanium Dioxide, Vegetable Juice) High
  • Com Starch
  • Croscarmellose Sodium
  • Guar Gum
  • Hydroxypropyl Methylcellulose
  • Medium Chain Triglycerides
  • Polyvinyl Alcohol
  • Silicon Dioxide
  • Stearic Acid
  • Talc High
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

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.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Color (Riboflavin, Titanium Dioxide, Vegetable Juice) Unknown
Com Starch Unknown
Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Guar Gum Safe

Thickens and provides fiber in supplement formulations.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Medium Chain Triglycerides Safe

Enhances absorption of fat-soluble vitamins.

Polyvinyl Alcohol Generally_safe

It is used as a coating for tablets or capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Talc Avoid

It is used to improve powder flow and prevent clumping.

Brand Trust Report
Bayer

Founded 1863 · Leverkusen, North Rhine-Westphalia, Germany · 1 products · bayer.com

Transparency

2 claims
In House Testing — Claimed

Violation History

5 incidents
Lawsuit Misrepresenting the serving size of 'One A Day' gummy vitamins.2025Source
Lawsuit Unsupported claims of 'heart health,' 'immunity support,' and 'energy' benefits for One A Day vitamins.2017Source
Lawsuit False claims about Philip's Colon Health.2015Source
Prop 65 Misleading claims regarding selenium and prostate cancer risk reduction.2010-10-26Source
Fda Warning Marketing of combination drug/dietary supplement products (Bayer Women's Low Dose Aspirin + Calcium and Bayer Aspirin with Heart Advantage) as unapproved new drugs.2008-10-28Source
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Frequently Asked Questions
Is Bayer One A Day Women's a good supplement?

Bayer One A Day Women's received a product quality score of 21/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. Of the 13 inactive ingredients, 8 are rated safe and 0 are flagged for review.

Is Bayer One A Day Women's safe to take?

Bayer One A Day Women's 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.