One A Day For Men's Multivitamin Dietary Supplement Tablets - 100ct
Analysis updated July 2026 · How Scout scores
At a glance
Summary
This multivitamin contains a range of essential vitamins and minerals, such as Vitamin C, Vitamin D3, and Biotin, which are beneficial for overall health. However, the presence of additives like maltodextrin and multiple fillers slightly detracts from its formulation quality. While it provides a comprehensive nutrient profile, the use of less bioavailable forms like Magnesium Oxide and the inclusion of several additives impact its overall rating.
Key ingredients 15
CholecalciferolVery Good
Cholecalciferol, or Vitamin D3, is crucial for calcium absorption and bone health. It supports immune function and has been linked to mood regulation. It is the preferred form of Vitamin D due to its superior bioavailability.
Risks
Excessive intake can lead to hypercalcemia, causing nausea and weakness.
Benefits
Enhances calcium absorption, supports bone health, and boosts immune function.
CyanocobalaminVery Good
Cyanocobalamin is a form of Vitamin B12, essential for red blood cell formation and neurological function. It is crucial for DNA synthesis and energy production. It is commonly used in supplements due to its stability and effectiveness.
Benefits
Supports red blood cell formation, neurological function, and energy production.
LycopeneVery Good
Lycopene is a powerful antioxidant found in tomatoes and other red fruits. It is linked to reduced risk of certain cancers and heart disease. It helps protect cells from oxidative damage and supports skin health.
Benefits
Acts as an antioxidant, supports heart health, and may reduce the risk of certain cancers.
Magnesium OxideGood
Magnesium Oxide is used to supplement magnesium, which is vital for muscle and nerve function. It is a cost-effective form of magnesium with a high magnesium content. It supports energy production and the regulation of blood pressure.
Risks
May cause gastrointestinal discomfort in some individuals if taken in large doses.
Benefits
Supports muscle and nerve function, energy production, and helps maintain normal blood pressure.
Ascorbic AcidGood
Ascorbic Acid, or Vitamin C, is a powerful antioxidant that supports immune function and skin health. It is essential for the synthesis of collagen and the absorption of iron. It helps protect cells from oxidative stress.
Risks
High doses can lead to gastrointestinal disturbances such as diarrhea.
Benefits
Boosts immune function, enhances iron absorption, and promotes healthy skin through collagen synthesis.
dl-Alpha-Tocopheryl AcetateGood
dl-Alpha-Tocopheryl Acetate is a form of Vitamin E, an antioxidant that protects cells from damage. It is used in supplements for its stability and bioavailability. It supports immune function and skin health.
Risks
Excessive intake may interfere with blood clotting and increase the risk of bleeding.
Benefits
Acts as an antioxidant, supports immune function, and promotes skin health.
Beta-CaroteneGood
Beta-Carotene is a precursor to Vitamin A and acts as an antioxidant. It is important for vision, immune function, and skin health. It is converted into Vitamin A in the body as needed, reducing the risk of toxicity.
Risks
High doses may cause carotenemia, a harmless condition causing yellowing of the skin.
Benefits
Supports vision, immune function, and acts as an antioxidant protecting cells from damage.
BiotinGood
Biotin, also known as Vitamin B7, is essential for the metabolism of fats, carbohydrates, and proteins. It supports healthy hair, skin, and nails. It plays a critical role in energy production and the synthesis of fatty acids.
Benefits
Promotes healthy hair, skin, and nails, and supports energy metabolism.
Chromium ChlorideGood
Chromium Chloride provides chromium, a trace mineral important for macronutrient metabolism and blood sugar regulation. It enhances the action of insulin and is involved in carbohydrate, fat, and protein metabolism. It may help improve blood sugar control in individuals with diabetes.
Benefits
Supports blood sugar regulation and enhances insulin action.
D-Calcium PantothenateGood
D-Calcium Pantothenate is a form of Vitamin B5, important for the synthesis of coenzyme A and energy metabolism. It supports the production of hormones and cholesterol. It is involved in the synthesis and metabolism of proteins, carbohydrates, and fats.
Benefits
Supports energy metabolism and the synthesis of hormones and cholesterol.
InulinGood
Inulin is a type of soluble fiber that acts as a prebiotic, supporting gut health. It promotes the growth of beneficial bacteria in the gut and aids in digestion. It may help improve bowel regularity and support immune function.
Risks
May cause bloating or gas in some individuals when consumed in large amounts.
Benefits
Supports gut health by promoting beneficial bacteria and aids in digestion.
Manganese SulfateGood
Manganese Sulfate provides manganese, a trace mineral important for bone formation and metabolism. It acts as a cofactor for enzymes involved in the metabolism of carbohydrates, amino acids, and cholesterol. It supports bone health and wound healing.
Risks
Excessive intake can lead to neurological issues.
Benefits
Supports bone formation, metabolism, and acts as a cofactor for various enzymes.
Calcium CarbonateNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
Excessive intake may lead to kidney stones or impaired absorption of other minerals.
Benefits
Provides a significant amount of calcium, which is crucial for maintaining bone density and preventing osteoporosis.
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, cell division, and is crucial for fetal development during pregnancy.
Copper SulfateBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
Excessive intake can lead to copper toxicity, causing liver damage and gastrointestinal distress.
Benefits
Supports iron metabolism, immune function, and acts as an antioxidant.
Processing
Ultra-Processed Foods
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