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Energy

Bayer One A Day
4.7
★ ★ ★ ★ ★
(125 ratings)
Niacin 40 mg
Caffeine 90 mg
Copper 2 mg
Iron 9 mg
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Score95

A convenient once-daily multivitamin with added caffeine for a mental and physical lift.

How scoring works
Quantity:50 Tablet(s) • (50 servings)
Goals:
Energy
Hair Health
Mental Focus

Score 95

A convenient once-daily multivitamin with added caffeine for a mental and physical lift.

How scoring works
$10.90($0.21 per serving)
iHerb
$ 10.90
Vitacost
$ 14.29
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Analysis

This once-daily tablet provides a moderate dose of caffeine, roughly equivalent to a cup of coffee, to help with daily alertness. It is combined with a full range of B-vitamins and minerals like iron to support the body's natural energy metabolism. This combination addresses both immediate focus and long-term nutritional status.

It also includes essential vitamins for immune support and bone health, making it a well-rounded daily supplement. This is an ideal choice for someone with a busy lifestyle who wants to simplify their routine. It is an affordable and convenient way to stay active and focused.

Pros

  • Includes 90mg of caffeine for focus
  • Convenient once-daily tablet
  • Very affordable price per serving
  • Complete range of daily vitamins

Cons

  • Caffeine source is not specified
  • Basic mineral forms (oxide/sulfate) are used
  • Iron dose is low for therapeutic needs

Warnings

  • Contains caffeine; monitor total daily intake
  • Do not take close to bedtime
  • Consult a doctor if sensitive to stimulants

Nutrient quality

87 Highest impact

Balanced blend of essential vitamins and minerals provides a solid foundation for daily metabolic support. Moderate caffeine dosage offers gentle stimulation without the risks associated with high-potency extracts.

Ingredient transparency

99 Highest impact

Clear and detailed labeling provides accurate amounts for every vitamin, mineral, and active stimulant. Transparent presentation allows users to easily track their total micronutrient intake.

Customer satisfaction

93 Highest impact

Strong average ratings from over a hundred users reflect consistent satisfaction with the energy benefits. User feedback validates that the product fulfills its purpose as a daily energy multivitamin.

Value for money

100 Highest impact

Excellent value is provided through a low cost per serving for a comprehensive multivitamin with caffeine. The combination offers a highly efficient way to address multiple nutritional needs simultaneously.

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Goals

Energy
Impact
High effect
A- Goal FitC+ Strength of SupportB CoverageA Formula Quality

A moderate dose of caffeine combined with essential B-vitamins provides support for both acute alertness and long-term metabolic health. This combination appears well aligned for individuals seeking a daily energy boost from a multivitamin base.

The use of 90 mg of caffeine is effective for mild stimulation without the high risk of overstimulation. However, the lack of specific details regarding the caffeine source and the inclusion of basic vitamin forms suggest a standard rather than premium product.

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Hair Health
Impact
High effect
B+ Goal FitB- Strength of SupportB+ CoverageA- Formula Quality

This multivitamin combines core hair health minerals with metabolic stimulants to support energy and follicle vitality. It targets the primary nutritional gaps that can contribute to hair shedding and follicle aging.

Ingredients such as iron, zinc, and copper work alongside niacinamide and biotin to support keratin production and scalp health. The inclusion of caffeine further enhances the focus on energy and circulatory pathways within the body.

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Mental Focus
Impact
High effect
B+ Goal FitC Strength of SupportC+ CoverageC Formula Quality

Caffeine and a full spectrum of B-vitamins provide a balanced increase in mental energy and alertness for daily activities. This multivitamin format ensures that foundational nutritional needs are met while offering an acute boost to focus.

Providing 90mg of caffeine ensures a mild but effective stimulant response that is suitable for daily use. While the caffeine source is generic, the overall combination appears well aligned for individuals seeking steady concentration without intense peaks.

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Ingredients

IngredientAmount per serving
Vitamin A (Beta-Carotene)
 1050 mcg
Vitamin C
60 mg
Vitamin D
10 mcg
Vitamin E
10.1 mg
Vitamin K
25 mcg
Thiamine (Vitamin B1)
 3 mg
Riboflavin (Vitamin B2)
 3.4 mg
Niacin
40 mg
Vitamin B6
4 mg
Folate
665 mcg DFE
Vitamin B12
12 mcg
Biotin
300 mcg
Pantothenic Acid
10 mg
Calcium
250 mg
Iron
9 mg
Iodine
150 mcg
Magnesium
40 mg
Zinc
15 mg
Selenium
45 mcg
Copper
2 mg
Manganese
2 mg
Chromium
100 mcg
Molybdenum
25 mcg
Caffeine
90 mg
Adults 18–50
Report overview
Niacin · 40 mg OverallScore70
B+ Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyC Value
Bayer One A Day Energy provides 40 mg of niacin for basic metabolic and daily wellness support. While the dose is appropriate for an energy-focused multi, the lack of label transparency regarding the specific form of B3 is a notable weakness. It offers moderate value at a competitive price point for a reputable brand.
View ingredientView products
Caffeine · 90 mg OverallScore66
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
This multivitamin includes a moderate dose of caffeine to support daily energy levels and metabolism at an affordable price. While the caffeine source is not specified, its safety profile and overall value make it a good daily option.
View ingredientView products
Copper · 2 mg OverallScore59
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This energy-focused multivitamin delivers the target 2 mg dose of copper and an ideal zinc-to-copper ratio. While it is very affordable and well-dosed for maintenance, the lack of disclosure regarding the mineral form is a notable drawback. It is a high-value choice for those seeking energy support alongside core nutrients.
View ingredientView products
95 Value

Daily Vits

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Bayer One A Day Women's
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Increasing the caffeine dose to 120 mg and adding chromium more directly supports metabolic rate and mental focus. Iron and essential vitamins are paired to assist with glucose regulation and oxygen transport for a more controlled energy boost.
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93 Performance

Women's Iron Restore

Carlson
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★★★★★
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Iron glycinate chelate and liver concentrate provide superior absorption and more robust support for red blood cell health than basic minerals. Bioactive trace minerals like molybdenum and copper chelates contribute to efficient enzymatic balance and daily productivity.
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89 Budget

Women's Complete Multivitamin

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4.6
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(5980 ratings)
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Children's Chewable Complete Multivitamin

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(1372 ratings)
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92 Budget

Women's Daily Multi Formula

Mason Natural
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★★★★★
(1199 ratings)
Copper sulfate and ferrous fumarate are included at standard maintenance levels to support daily energy metabolism and overall nutritional status. This formula offers a broad nutritional base for red blood cell health at an extremely minimal cost.
Other sellers (1)
95 Value

Daily Vits

NOW
4.7
★★★★★
(8153 ratings)
Iron bisglycinate and copper bisglycinate are utilized for better mineral balance and digestibility while maintaining daily convenience. This formulation provides a bioavailable and affordable once-daily option for systemic wellness and vitality.
Other sellers (3)
92 Value

Prenatal

Fairhaven Health
4.8
★★★★★
(5726 ratings)
Methylfolate and methylcobalamin are paired with ferrous fumarate to support red blood cell formation and physical energy more effectively. This selection provides essential nutrients for hair health and metabolic support at a reasonable price point.
Other sellers (1)
94 Value

Multi and Mineral

Swanson
4.4
★★★★★
(240 ratings)
Meaningful doses of selenium and copper are combined with essential vitamins to support antioxidant signaling and cellular defense. This comprehensive blend delivers a broad array of metabolic cofactors to maintain general health and vitality.
Other sellers (1)
95 Performance

Active Metabolism

Bayer One A Day Women's
4.7
★★★★★
(354 ratings)
Increasing the caffeine dose to 120 mg and adding chromium more directly supports metabolic rate and mental focus. Iron and essential vitamins are paired to assist with glucose regulation and oxygen transport for a more controlled energy boost.
Other sellers (1)
94 Performance

Nursing Postnatal

Fairhaven Health Milkies
4.8
★★★★★
(11199 ratings)
Bioactive cofactors like methylcobalamin and L-5-methyltetrahydrofolate support superior metabolic processing and cognitive health compared to standard forms. Iron fumarate and a robust dose of biotin assist with sustained energy and structural replenishment.
Other sellers (2)
93 Performance

Women's Iron Restore

Carlson
4.8
★★★★★
(279 ratings)
Iron glycinate chelate and liver concentrate provide superior absorption and more robust support for red blood cell health than basic minerals. Bioactive trace minerals like molybdenum and copper chelates contribute to efficient enzymatic balance and daily productivity.
Other sellers (0)
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