One A Day Multivitamins Review
The One A Day multivitamins are made by the Bayer corporation. Currently they are one of the most popular vitamin supplements on the market mainly due to the constant marketing of the product on TV, on the Internet, as well as in magazines and in stores. Being made by a large pharmaceutical corporation also lends a lot of credibility to the brand. Below is our summary of the strong and weak points of this product, based on analysis conducted by the MultivitaminGuide.org team.
Product Strengths
- Affordable: The product is one of the cheapest on the market
- Adequate composition: Offers more than 100% of the RDA of most vitamins
- Credibility: Made by a large pharmaceutical corporation (Bayer)
Product Weaknesses
- Low effectiveness: due to the use of synthetic ingredients with poor bioavailability.
- Synthetic vitamins: The majority of the vitamins included are synthetic. Synthetic Vitamin A (Palmitate) and Vitamin B12 (Cyanocobalamin) may cause mild toxicity if taken in high doses over long periods of time.
- Incomplete: Missing key ingredients, which are common to higher-quality multivitamins.
The Bottom Line
With an Effectiveness Score of 4.5 on a 10 point scale, the One A Day multivitamin by Bayer ranks number 59 out of the 100 multivitamins we have evaluated.
Even though this multivitamin is affordable, we believe it does not provide good value for money. If you are looking for a high quality multivitamin at a reasonable price, see our ranking for the top budget-friendly multivitamins below.
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How does One A Day compare with other multivitamin brands?
The MultivitaminGuide.org website offers One A Day reviews and direct comparison between the One A Day multivitamins and of all major vitamin supplements available on the market.
Some of the unique aspects of this guide include comparison of the One A Day multivitamins with 100 other vitamin supplement products, including popular brands such as Centrum, GNC, Equate, Kirkland, Nutrilite/Amway, Nature Made, NOW Foods, Melaleuca, Puritan’s Pride, Herbalife, TwinLab, and Walgreens.
The information on this site is the culmination of over 6 years of scientific research and analysis. Each of the reviewed products is evaluated against 4 key parameters, such as composition, bioavailability and potency. Then each supplement is assigned a score from 0 to 10, which enables you to easily compare the effectiveness of different brands.
Ranking of all evaluated multivitamins
The table below provides a summary of the Effectiveness Scores of some of the more popular vitamin supplement brands available on the market, including the One A Day multivitamins.
Any vitamin supplement with a score that exceeds 8.0 is considered to be "excellent". Unfortunately a quick glance at the table below reveals that the great majority of multivitamin products available on the market do not meet that threshold.
Using a multivitamin product with a score of 8.0 or above is strongly advised.
| Rank | Manufacturer | Product | Multivitamin | Score |
|---|---|---|---|---|
| 1 | Xtend-Life Natural Products | Total Balance | Total Balance by Xtend-Life |
9.6 |
| 2 | NATURELO Premium Supplements | Whole Food Multivitamin | Whole Food Multivitamin by NATURELO Premium Supplements |
9.5 |
| 3 | Douglas Laboratories | Ultra Preventive X | Ultra Preventive X by Douglas Labs |
9.3 |
| 4 | USANA Health Sciences | HealthPak | HealthPak by USANA |
8.9 |
| 5 | Dr. Mercola | Whole Food Multivitamin PLUS | Whole Food Multivitamin PLUS by Dr. Mercola |
8.8 |
| 6 | Shaklee | Vitalizer | Vitalizer by Shaklee |
8.7 |
| 7 | Life Extension | Life Extension Mix | Life Extension Mix by Life Extension |
8.6 |
| 8 | Metagenics | Wellness Essentials | Wellness Essentials by Metagenics |
8.5 |
| 9 | Nutrilite (Amway) | Double X | Double X by Nutrilite |
8.3 |
| 10 | Garden of Life | Vitamin Code | Vitamin Code by Garden of Life |
8.2 |
| 11 | Source Naturals | Life Force | Life Force by Source Naturals |
8.1 |
| 12 | Karuna | Maxxum 4 | Maxxum 4 by Karuna |
7.9 |
| 13 | Solgar | Omnium | Omnium by Solgar |
7.8 |
| 14 | Optimum Nutrition | Opti-Men | Opti-Men by Optimum Nutrition |
7.7 |
| 15 | Muscle Pharm | Armour-V | Armour-V by Muscle Pharm |
7.6 |
| 16 | Dr. Julian Whitaker's | Forward Multi-Nutrient | Forward Multi-Nutrient by Dr. Julian Whitaker's |
7.6 |
| 17 | FreeLife | Reverse! | Reverse! by FreeLife |
7.2 |
| 18 | Mountain Naturals of Vermont | Superior Care | Superior Care by Mountain Naturals of Vermont |
7.1 |
| 19 | amni | Added Protection III | Added Protection III by amni |
7.0 |
| 20 | Purity Products | Perfect Multi Focus Formula | Perfect Multi Focus Formula by Purity Products |
7.0 |
| 21 | Universal Nutrition | Animal Pak | Animal Pak by Universal Nutrition |
6.9 |
| 22 | Doctor's Nutrition | Mega Vites | Mega Vites by Doctor's Nutrition |
6.8 |
| 23 | DaVinci Laboratories | Spectra | Spectra by DaVinci Laboratories |
6.8 |
| 24 | GNC | GNC Mega Men Sport | GNC Mega Men by GNC |
6.8 |
| 25 | TwinLab | Daily One Caps with Iron | Daily One Caps with Iron by TwinLab |
6.7 |
| 26 | FoodScience of Vermont | Superior Care | Superior Care FoodScience of Vermont |
6.6 |
| 27 | Puritan's Pride | High Potency Ultra Vita Time Release | High Potency Ultra Vita Time Release Puritan's Pride |
6.5 |
| 28 | Colgan Institute | Formula MCS | Formula MCS Colgan Institute |
6.4 |
| 29 | Rainbow Light | Women's One Multivitamin | Advanced Nutritional System by Rainbow Light |
6.4 |
| 30 | NOW Foods | Multiple Vitamins - Liquid Gels | Multiple Vitamins - Liquid Gels by NOW Foods |
6.4 |
| 31 | EAS | Multi-Blend | Multi-Blend by EAS |
6.3 |
| 32 | Mannatech | PhytoMatrix | PhytoMatrix by Mannatech |
6.2 |
| 33 | Nature's Way | Alive! Whole Food Energizer | Alive! Whole Food Energizer by Nature's Way |
6.1 |
| 34 | Jean Carper's | Stop Aging Now! | Stop Aging Now! by Jean Carper's |
6.0 |
| 35 | Natural Factors | MultiStart | MultiStart by Natural Factors |
5.9 |
| 36 | Advanced Physician's Products | Maximum MultiVitamin/Mineral without Iron | Maximum MultiVitamin by Advanced Physician's Products |
5.8 |
| 37 | EcoNugenics | Longevity Rhythms Gold | Longevity Rhythms Gold by EcoNugenics |
5.8 |
| 38 | Solaray | Iron-Free Spectro Multi-Vita-Min | Iron-Free Spectro Multi-Vita-Min by Solaray |
5.8 |
| 39 | Nature's Blend | Vitaminix Ultimate | Vitaminix Ultimate by Nature's Blend |
5.6 |
| 40 | Pharmanex (Nu Skin) | LifePak Prime | LifePak Prime by Pharmanex (Nu Skin) |
5.4 |
| 41 | Melaleuca | Vitality Pak | Vitality Pak by Melaleuca |
5.3 |
| 42 | Herbalife | Formula 2 Multivitamin Complex | Formula 2 Multivitamin Complex by Herbalife |
5.3 |
| 43 | QCI Nutritionals | Ultra Vitality #1 | Ultra Vitality #1 by QCI Nutritionals |
5.2 |
| 44 | KAL | Multiple Energy | Multiple Energy by KAL |
5.2 |
| 45 | Megafood | Essentials for Life | Essentials for Life by Megafood |
5.2 |
| 46 | Optimox | Androvite | Androvite by Optimox |
5.1 |
| 47 | Swanson Ultra | Whole Food Multi without Iron | Whole Food Multi without Iron by Swanson Ultra |
5.0 |
| 48 | Jarrow | Multi E-Z Powder | Multi E-Z Powder by Jarrow |
5.0 |
| 49 | Great Earth | TNT - Total Nutrition Tablet | TNT - Total Nutrition Tablet by Great Earth |
5.0 |
| 50 | Nikken | Kenzen Mega Daily 4 | Kenzen Mega Daily 4 by Nikken |
4.9 |
| 51 | Garry Null's | Supreme Health Formula | Supreme Health Formula by Garry Null's |
4.8 |
| 52 | Thorne Research | Al's Formula | Al's Formula by Thorne Research |
4.8 |
| 53 | Atkins | Basic #3 | Basic #3 by Atkins |
4.7 |
| 54 | Vitamin World | Daily 3 With Antioxidant Factors | Daily 3 With Antioxidant Factors by Vitamin World |
4.7 |
| 55 | PhytoPharmica | Clinical Nutrients | Clinical Nutrients by PhytoPharmica |
4.7 |
| 56 | Pfizer | Centrum | Centrum by Pfizer |
4.6 |
| 57 | 4Life | BioVitamins Type III | BioVitamins Type III by 4Life |
4.5 |
| 58 | Bronson Laboratories | Performance Edge | Performance Edge by Bronson Laboratories |
4.5 |
| 59 | One A Day | Essential | Essential by One A Day |
4.5 |
| 60 | Country Life | Maxine | Maxine by Country Life |
4.4 |
| 61 | Nature Made | Multi Complete | Multi Complete by Nature Made |
4.3 |
| 62 | Quest | Maximum Once A Day | Maximum Once A Day by Quest |
4.2 |
| 63 | Nature's Bounty | Green Source Vegetarian Formula | Green Source Vegetarian Formula by Nature's Bounty |
4.1 |
| 64 | Matol | Matolife | Matolife by Matol |
4.1 |
| 65 | Greens+ | Multi+ | Multi+ by Greens+ |
3.9 |
| 66 | Michael's Naturopathic Programs | Pedia Vites | Pedia Vites by Michael's Naturopathic Programs |
3.8 |
| 67 | Natrol | My Favorite Multiple Original | My Favorite Multiple Original by Natrol |
3.8 |
| 68 | Nu-life | Ultimate One | Ultimate One by Nu-life |
3.7 |
| 69 | Jamieson | Super Vita-Vim | Super Vita-Vim by Jamieson |
3.7 |
| 70 | Walgreens | Ultra Choice Premium | Ultra Choice Premium by Walgreens |
3.5 |
| 71 | Swiss Natural Sources | Super Adult Chewable | Super Adult Chewable by Swiss Natural Sources |
3.4 |
| 72 | Ripple Creek | Mega-100 (Slow Release) | Mega-100 (Slow Release) by Ripple Creek |
3.3 |
| 73 | Thompson | Human Nature Green Multi | Human Nature Green Multi by Thompson |
3.0 |
| 74 | Safeway Select | Super Multivitamin | Super Multivitamin by Safeway Select |
2.9 |
| 75 | Perfect Choice | Multivitamin Specially Formulated | Multivitamin Specially Formulated by Perfect Choice |
2.9 |
| 76 | Watkins | Superfood Multiple | Superfood Multiple by Watkins |
2.8 |
| 77 | Vitamin Power | Power Source 100 | Power Source 100 by Vitamin Power |
2.8 |
| 78 | Pilgrim's | Silver Stars Multi | Silver Stars Multi by Pilgrim's |
2.7 |
| 79 | Absolute Nutrition | Dieters' Multi's | Dieters' Multi's by Absolute Nutrition |
2.7 |
| 80 | Nature's Sunshine | Super Supplemental Vitamins and Minerals | Super Supplemental by Nature's Sunshine |
2.7 |
| 81 | Freeda Vitamins | Ultra Freeda Iron-Free | Ultra Freeda Iron-Free by Freeda Vitamins |
2.7 |
| 82 | ZonePerfect | Multi Vitamin & Mineral | Multi Vitamin & Mineral by ZonePerfect |
2.6 |
| 83 | Sisu | Only One | Only One by Sisu |
2.5 |
| 84 | Schiff | Single Day | Single Day by Schiff |
2.4 |
| 85 | Nature's Plus | Ultra One | Uitra One by Nature's Plus |
2.0 |
| 86 | Kirkland Signature (Costco) | Daily Multi | Daily Multi by Kirkland |
1.9 |
| 87 | Sunkist | Multi-Men's | Multi-Men's by Sunkist |
1.7 |
| 88 | Lifestyles | Lifecycles | Lifecycles by Lifestyles |
1.6 |
| 89 | Western Family | Multra Forte | Multra Forte by Western Family |
1.3 |
| 90 | Avon | VitAdvance Complete Multivitamin | VitAdvance Complete Multivitamin by Avon |
1.2 |
| 91 | Flora | MultiCaps | MultiCaps by Flora |
1.2 |
| 92 | Reliv | Classic | Classic by Reliv |
1.1 |
| 93 | Sundown | Complete Daily | Complete Daily by Sundown |
0.9 |
| 94 | YourLife | Super Multi with Herbs | Super Multi with Herbs by YourLife |
0.9 |
| 95 | Rite Aid | Whole Source | Whole Source by Rite Aid |
0.8 |
| 96 | 21st Century | One Daily Maximum | One Daily Maximum by 21st Century |
0.7 |
| 97 | Spring Valley | Ultra Multivitamin | Ultra Multivitamin by Spring Valley |
0.6 |
| 98 | Life Brand | Optimum | Optimum by Life Brand |
0.6 |
| 99 | Good Neighbor Pharmacy | Balanced Care Complete Multi | Balanced Care Complete Multi by Good Neighbor Pharmacy |
0.6 |
| 100 | Kroger | Advanced Formula Complete | Advanced Formula Complete by Kroger |
0.6 |
| 101 | Equate | One Daily | One Daily by Equat |
0.6 |
| 102 | Action Labs | Essential Nutrients | Essential Nutrients by Action Labs |
0.5 |
| 103 | Geritol | Complete | Complete by Geritol |
0.4 |
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