One A Day Women's Multivitamin with Biotin, & Skin Health Support Tablets - 100ct

Common questions

Is One A Day Women's Multivitamin with Biotin, & Skin Health Support Tablets - 100ct healthy?

One A Day Women's Multivitamin with Biotin, & Skin Health Support Tablets - 100ct scores 70/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This multivitamin contains beneficial ingredients such as calcium carbonate, ascorbic acid, and biotin, which support bone health, immune function, and skin health.

How processed is One A Day Women's Multivitamin with Biotin, & Skin Health Support Tablets - 100ct?

One A Day Women's Multivitamin with Biotin, & Skin Health Support Tablets - 100ct is NOVA Group 4: Ultra-Processed Foods.

Which ingredients drive One A Day Women's Multivitamin with Biotin, & Skin Health Support Tablets - 100ct's score?

In Scout's ingredient-by-ingredient analysis, Ascorbic Acid, Ferrous Fumarate, dl-Alpha-Tocopherol Acetate count in its favor; Maltodextrin, Color (Riboflavin, Titanium Dioxide, Vegetable Juice) are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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One A Day Women's Multivitamin with Biotin, & Skin Health Support Tablets - 100ct

One A Day
70 Good

Analysis updated August 2026 · How Scout scores

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At a glance

Beneficial ingredients 6
Harmful ingredients 2
Owned by Bayer
Category Vitamins and Minerals
Summary

This multivitamin contains beneficial ingredients such as calcium carbonate, ascorbic acid, and biotin, which support bone health, immune function, and skin health. However, the presence of maltodextrin and titanium dioxide, which are considered less desirable due to their processing and potential health concerns, slightly detracts from its overall quality. The formulation includes a moderate number of additives, which impacts its processing level, but it remains a viable option for those seeking a comprehensive multivitamin.

Key ingredients 11

Cholecalciferol
Very Good

Cholecalciferol is Vitamin D3, which is crucial for calcium absorption and bone health. It is the preferred form of Vitamin D due to its superior absorption and effectiveness. Vitamin D3 is essential for maintaining healthy bones and supporting immune function.

Risks

Excessive intake can lead to toxicity, causing hypercalcemia.

Benefits

Enhances calcium absorption and supports bone and immune health.

Ascorbic Acid
Good

Ascorbic acid is a form of Vitamin C, an essential nutrient that supports immune function and acts as an antioxidant. It is crucial for the synthesis of collagen and the repair of tissues. Ascorbic acid is well-known for its role in enhancing iron absorption from plant-based foods.

Risks

High doses may cause gastrointestinal discomfort or kidney stones.

Benefits

Boosts immune function and enhances iron absorption.

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Ferrous Fumarate
Good

Ferrous fumarate is a form of iron used to treat or prevent low blood levels of iron (such as those caused by anemia or during pregnancy). It is a well-absorbed form of iron that helps in the production of red blood cells. This form of iron is often used in supplements due to its effectiveness in increasing iron levels.

Risks

Excessive iron intake can lead to toxicity, causing symptoms like nausea and constipation.

Benefits

Essential for the production of hemoglobin and red blood cells.

dl-Alpha-Tocopherol Acetate
Good

dl-Alpha-Tocopherol Acetate is a synthetic form of Vitamin E, an antioxidant that helps protect cells from damage. It is used in supplements to support skin health and immune function. Despite being synthetic, it is effective in providing the antioxidant benefits of Vitamin E.

Risks

High doses may interfere with blood clotting and increase the risk of bleeding.

Benefits

Acts as an antioxidant and supports skin and immune health.

Niacinamide
Good

Niacinamide is a form of Vitamin B3 that supports skin health and energy metabolism. It is known for its role in converting nutrients into energy and maintaining healthy skin. Niacinamide is often used in supplements for its skin benefits and energy support.

Risks

High doses may cause liver damage or gastrointestinal issues.

Benefits

Supports energy metabolism and promotes healthy skin.

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Biotin
Good

Biotin, also known as Vitamin B7, is essential for healthy hair, skin, and nails. It plays a crucial role in energy metabolism and the synthesis of fatty acids. Biotin is often included in supplements for its benefits to skin and hair health.

Benefits

Supports healthy hair, skin, and nails, and aids in energy metabolism.

See more about Biotin →
Calcium Carbonate
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

Excessive intake may lead to kidney stones or interfere with the absorption of other minerals.

Benefits

Supports bone health and helps maintain strong bones and teeth.

See more about Calcium Carbonate →
Magnesium Oxide
Neutral

Magnesium oxide is a common form of magnesium used in supplements, though it has lower bioavailability compared to other forms. It is often used to support muscle and nerve function. While it provides magnesium, its absorption rate is not as high as other forms like magnesium citrate.

Risks

May cause digestive issues such as diarrhea in high doses.

Benefits

Supports muscle and nerve function, though absorption is limited.

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Gelatin
Neutral

Gelatin is used as a gelling agent in supplements and is derived from animal collagen. It is commonly used to form capsules and tablets. While it provides no significant nutritional benefits, it is a standard ingredient in supplement manufacturing.

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Maltodextrin
Bad

Maltodextrin is a polysaccharide used as a filler or thickener in supplements. It is highly processed and can cause spikes in blood sugar levels. While it is commonly used in food products, it offers no nutritional benefits and is often criticized for its high glycemic index.

Risks

May cause blood sugar spikes and is highly processed.

See more about Maltodextrin →
Color (Riboflavin, Titanium Dioxide, Vegetable Juice)
Bad

The use of color additives like titanium dioxide is controversial due to potential health concerns. While riboflavin and vegetable juice are generally safe, titanium dioxide is often criticized for its potential to cause inflammation and other health issues. The inclusion of artificial colors is generally discouraged in health supplements.

Risks

Titanium dioxide may pose health risks, including inflammation and potential carcinogenic effects.

Processing

Group 4 · Ultra-processed

Ultra-Processed Foods

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