One A Day Men s Complete Multi-Vitamin 300ct Tablets
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This multivitamin contains a range of beneficial vitamins and minerals, such as vitamin D3 and vitamin C, which support bone health and immune function. However, the presence of talc as a filler raises some health concerns, and the product includes a significant number of additives, which suggests a higher level of processing. Despite these issues, the formulation provides essential nutrients that contribute positively to overall health.
Key ingredients 15
CholecalciferolVery Good
Cholecalciferol is Vitamin D3, crucial for calcium absorption and bone health. It is the preferred form of Vitamin D due to its superior bioavailability. It supports immune function and may improve mood.
Risks
Excessive intake can lead to hypercalcemia and associated health issues.
Benefits
Enhances calcium absorption and supports bone and immune health.
Ascorbic AcidGood
Ascorbic acid is a form of Vitamin C, an essential nutrient and powerful antioxidant. It supports immune function and collagen synthesis. It is well-absorbed and effective in preventing Vitamin C deficiency.
Risks
High doses may cause gastrointestinal upset or kidney stones.
Benefits
Boosts immune function and acts as a potent antioxidant.
dl-Alpha-Tocopheryl AcetateGood
dl-Alpha-Tocopheryl Acetate is a synthetic form of Vitamin E, used for its antioxidant properties. It helps protect cells from oxidative damage. Although synthetic, it is effective in providing Vitamin E benefits.
Risks
High doses may interfere with blood clotting or increase the risk of hemorrhagic stroke.
Benefits
Protects cells from oxidative stress and supports immune function.
Beta-CaroteneGood
Beta-carotene is a precursor to Vitamin A and acts as an antioxidant. It is important for vision, skin health, and immune function. It is a safe source of Vitamin A as it is converted in the body as needed.
Risks
High doses may increase the risk of lung cancer in smokers.
Benefits
Supports vision and immune health, and acts as an antioxidant.
BiotinGood
Biotin is a B-vitamin that supports metabolic processes and is important for healthy hair, skin, and nails. It is water-soluble and generally safe at recommended doses. It plays a role in energy production and fatty acid synthesis.
Benefits
Promotes healthy hair, skin, and nails, and supports metabolism.
CyanocobalaminGood
Cyanocobalamin is a synthetic form of Vitamin B12, essential for nerve function and red blood cell production. It is commonly used in supplements due to its stability and effectiveness. It is crucial for preventing B12 deficiency.
Benefits
Supports nerve health and red blood cell production.
D-Calcium PantothenateGood
D-Calcium Pantothenate is a form of Vitamin B5, important for energy metabolism and the synthesis of coenzyme A. It is water-soluble and generally safe. It supports adrenal function and the production of neurotransmitters.
Benefits
Supports energy metabolism and adrenal function.
Calcium CarbonateNeutral
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
Provides essential calcium needed for maintaining strong bones and teeth.
Magnesium OxideNeutral
Magnesium oxide is a form of magnesium used in supplements, known for its high magnesium content. However, it has lower bioavailability compared to other forms like magnesium citrate. It is often used for its laxative effect and to support muscle and nerve function.
Risks
May cause gastrointestinal discomfort or diarrhea in some individuals.
Benefits
Supports muscle and nerve function and helps maintain normal blood pressure.
Microcrystalline CelluloseNeutral
Microcrystalline cellulose is a common filler and binder in supplements, providing no nutritional value. It is used to improve the texture and stability of tablets. It is generally considered safe and inert.
See more about Microcrystalline Cellulose →Chromium ChlorideNeutral
Chromium chloride is a source of chromium, a trace mineral involved in carbohydrate and lipid metabolism. It is used in supplements to support blood sugar regulation. It is generally safe in small amounts.
Risks
High doses may cause gastrointestinal issues or kidney damage.
Benefits
Supports blood sugar regulation and insulin sensitivity.
Croscarmellose SodiumNeutral
Croscarmellose sodium is a disintegrant used in tablets to aid in their dissolution. It is an inert ingredient with no nutritional value. It is generally considered safe and effective for its intended use.
See more about Croscarmellose Sodium →Folic AcidNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
Excessive intake may mask Vitamin B12 deficiency symptoms.
Benefits
Supports DNA synthesis and is crucial for fetal development.
MaltodextrinBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
May cause blood sugar spikes in sensitive individuals.
Copper SulfateBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
Excessive intake can lead to copper toxicity, causing liver damage.
Benefits
Supports iron metabolism and red blood cell formation.
Processing
Ultra-Processed Foods
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