Bayer One A Day Proactive 65+ for Men & Women supplement bottle
Bayer One A Day

Proactive 65+ for Men & Women

What We Researched
20 active ingredients analyzed · 31 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
65
Product Score Fair
64
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (as Beta-Carotene) 670 mcg 74%
Vitamin C 90 mg 100%
Vitamin D 30 mcg 150%
Vitamin K 0 mcg 0%
Thiamine (as Vitamin B1) 1.2 mg 100%
Riboflavin (as Vitamin B2) 1.7 mg 131%
Niacin 20 mg 125%
Vitamin B6 2 mg 118%
Folate 665 mcg DFE 166%
Vitamin B12 50 mcg 2083%
Biotin 30 mcg 100%
Pantothenic Acid 10 mg 200%
Calcium 500 mg 38%
Iodine 150 mcg 100%
Magnesium 100 mg 24%
Zinc 15 mg 136%
Selenium 55 mcg 100%
Copper 1 mg 111%
Manganese 2 mg 87%
Chromium 24 mcg 69%
Bioavailability Very Good

Absorption Rating

  • Vitamin A (as Beta-Carotene) Fair
  • Vitamin C Fair
  • Vitamin D Good
  • Vitamin K Good
  • Thiamine (as Vitamin B1) Good
  • Riboflavin (as Vitamin B2) Good
  • Niacin Good
  • Vitamin B6 Fair
  • Folate Fair
  • Vitamin B12 Fair
  • Biotin Good
  • Pantothenic Acid Good
  • Calcium Good
  • Iodine Good
  • Magnesium Good
  • Zinc Fair
  • Selenium Good
  • Copper Fair
  • Manganese Good
  • Chromium Fair
Other Ingredients Poor

Fillers & Additives

  • Calcium Carbonate
  • Magnesium Oxide
  • Microcrystalline Cellulose
  • Ascorbic Acid
  • Maltodextrin
  • Croscarmellose Sodium
  • Beta Carotene
  • Biotin
  • Cholecalciferol
  • Chromium Chloride
  • Copper Sulfate
  • Cyanocobalamin
  • D-Calcium Pantothenate
  • FD&C Yellow #6 Aluminum Lake High
  • Folic Acid
  • Gelatin
  • Hydroxypropyl Methylcellulose
  • Manganese Sulfate
  • Mica
  • Niacinamide
  • Polyethylene Glycol Low
  • Potassium Iodide
  • Pyridoxine Hydrochloride
  • Riboflavin
  • Silicon Dioxide
  • Sodium Selenite
  • Stearic Acid
  • Thiamine Mononitrate
  • Titanium Dioxide High
  • Vitamin A Acetate
  • Zinc Oxide
Efficacy Very Good

Dosage Analysis

  • Vitamin A (as Beta-Carotene) 670 mcg Under-dosed
  • Vitamin C 90 mg Effective
  • Vitamin D 30 mcg Effective
  • Vitamin K 0 mcg Under-dosed
  • Thiamine (as Vitamin B1) 1.2 mg Effective
  • Riboflavin (as Vitamin B2) 1.7 mg Effective
  • Niacin 20 mg Effective
  • Vitamin B6 2 mg Effective
  • Folate 665 mcg DFE Effective
  • Vitamin B12 50 mcg Effective
  • Biotin 30 mcg Effective
  • Pantothenic Acid 10 mg Effective
  • Calcium 500 mg Effective
  • Iodine 150 mcg Effective
  • Magnesium 100 mg Under-dosed
  • Zinc 15 mg Effective
  • Selenium 55 mcg Effective
  • Copper 1 mg Effective
  • Manganese 2 mg Effective
  • Chromium 24 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin A (as Beta-Carotene) 670 mcg 74%
Vitamin C 90 mg 100%
Vitamin D 30 mcg 150%
Vitamin K 0 mcg 0%
Thiamine (as Vitamin B1) 1.2 mg 100%
Riboflavin (as Vitamin B2) 1.7 mg 131%
Niacin 20 mg 125%
Vitamin B6 2 mg 118%
Folate 665 mcg DFE 166%
Vitamin B12 50 mcg 2083%
Biotin 30 mcg 100%
Pantothenic Acid 10 mg 200%
Calcium 500 mg 38%
Iodine 150 mcg 100%
Magnesium 100 mg 24%
Zinc 15 mg 136%
Selenium 55 mcg 100%
Copper 1 mg 111%
Manganese 2 mg 87%
Chromium 24 mcg 69%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Magnesium Oxide Generally_safe

It is used to provide magnesium, an essential mineral.

Microcrystalline Cellulose Safe

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

Ascorbic Acid Safe

Prevents oxidation and provides vitamin C.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Beta Carotene Safe

It is used as a colorant and a source of vitamin A.

Biotin Safe

It is used for its potential benefits related to hair, skin, and nail health.

Cholecalciferol Safe

It is used to supplement vitamin D levels.

Chromium Chloride Generally_safe

It is added to supplements to provide chromium, an essential trace mineral.

Copper Sulfate Generally_safe

It is added to supplements to provide copper, an essential trace mineral.

Cyanocobalamin Safe

It is used as a source of vitamin B12.

D-Calcium Pantothenate Safe

It is added to supplements as a source of vitamin B5.

FD&C Yellow #6 Aluminum Lake Unknown
Folic Acid Safe

It is used as a source of folate.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Manganese Sulfate Generally_safe

It provides a source of manganese.

Mica Generally_safe

It is used as a colorant to provide a shiny or pearlescent effect.

Niacinamide Safe

It is included for its potential health benefits.

Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Potassium Iodide Generally_safe

It provides iodine, an essential mineral.

Pyridoxine Hydrochloride Safe

It is used as a source of vitamin B6.

Riboflavin Safe

It is used as a source of vitamin B2.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Sodium Selenite Generally_safe

It is added to supplements to provide selenium, an essential trace mineral.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Thiamine Mononitrate Safe

It is used as a source of vitamin B1.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Vitamin A Acetate Generally_safe

It is added to supplements as a source of vitamin A.

Zinc Oxide Generally_safe

It is used as a source of zinc.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$21$20$19$18$17 $18.68
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
Bayer One A Day

Founded 1940 · Whippany, New Jersey, USA · 72 products · oneaday.com/

Certifications

1 certification
Consumerlab Verified Source

Transparency

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

Violation History

3 incidents
Lawsuit Falsely labeling 'Natural Fruit Bites Multivitamin' as 'natural' despite containing synthetic ingredients.2023Source
Lawsuit Mislabeled 'One A Day' chewable vitamins that require a serving size of two gummies.2022Source
Lawsuit Deceptive claims that One A Day Men's multivitamins could reduce the risk of prostate cancer.2010Source
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Frequently Asked Questions
Is Bayer One A Day Proactive 65+ for Men & Women a good supplement?

Bayer One A Day Proactive 65+ for Men & Women received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 20 active ingredients with 75 servings per container. Of the 31 inactive ingredients, 18 are rated safe and 2 are flagged for review. The manufacturer, Bayer One A Day, holds a brand trust score of 64/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Bayer One A Day Proactive 65+ for Men & Women?

Bayer One A Day Proactive 65+ for Men & Women contains 20 active ingredients: Vitamin A (as Beta-Carotene) (670 mcg), Vitamin C (90 mg), Vitamin D (30 mcg), Vitamin K (0 mcg), Thiamine (as Vitamin B1) (1.2 mg), Riboflavin (as Vitamin B2) (1.7 mg), and 14 more. Notable high-dose ingredients include Vitamin B12 at 2083% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Bayer One A Day Proactive 65+ for Men & Women safe to take?

Bayer One A Day Proactive 65+ for Men & Women has been analyzed for ingredient safety across all its components. Of 31 inactive ingredients, 18 are rated safe. 2 ingredients are flagged for review: Polyethylene Glycol, Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Bayer One A Day a trustworthy supplement brand?

Bayer One A Day receives a brand trust score of 64/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1940 and headquartered in Whippany, New Jersey, USA, the company offers 72 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Bayer One A Day has 3 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.