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One Daily Maximum
A highly affordable, comprehensive daily multivitamin that covers a broad range of essential vitamins and minerals. It provides foundational nutritional support, though some ingredient forms may not be optimally absorbed for maximum efficacy.
leaderboard Score 65.0
A highly affordable, comprehensive daily multivitamin that covers a broad range of essential vitamins and minerals. It provides foundational nutritional support, though some ingredient forms may not be optimally absorbed for maximum efficacy.
21st Century's One Daily Maximum is a broad-spectrum multivitamin designed to provide a wide array of essential vitamins and minerals at generally recommended daily allowances. It serves as a foundational supplement to help fill potential dietary gaps, making it suitable for general nutritional support. While it covers a comprehensive list of micronutrients, many of the minerals are present in less bioavailable forms (e.g., oxides, sulfates, chlorides), which may limit their absorption and overall efficacy compared to chelated alternatives. Similarly, synthetic forms of certain vitamins like DL-Alpha-Tocopheryl Acetate for Vitamin E and Phytonadione for Vitamin K (K1) are used, which are less potent or less relevant for specific benefits (like bone and cardiovascular health for K2) than their natural or active counterparts. Despite these formulation choices, its extremely affordable price and high review count highlight its popularity as a budget-friendly option for basic daily nutrient coverage.
- Extremely cost-effective per serving, making it accessible for daily use.
- Contains a wide array of essential vitamins and minerals, offering broad foundational nutritional support.
- High review count indicates widespread consumer acceptance and availability.
- Many minerals (Magnesium, Zinc, Copper, Chromium) are in less bioavailable forms (oxides, sulfates, chlorides), which can lead to poorer absorption.
- Vitamin K is present as K1 (Phytonadione) rather than the more beneficial K2 (Menaquinone) for bone and cardiovascular health.
- Vitamin E is DL-Alpha-Tocopheryl Acetate, a synthetic form that is less potent than natural D-Alpha-Tocopherol.
- Some trace minerals like Vanadium and Tin are included at very low doses, and their practical benefits for general health supplementation are not well-established.
- Individuals with specific deficiencies or health conditions may require higher doses or more bioavailable forms of certain nutrients than what this general multivitamin provides.
- Contains iron (18mg), which while essential, can be problematic for men and post-menopausal women who do not need extra iron and could accumulate excess.
 iHerb | $ 6.99 |
| Ingredient | Amount per serving |
|---|---|
| Vitamin A (Vitamin A Acetate, Beta-Carotene) | 750 mcg |
| Vitamin C (Ascorbic Acid) | 60 mg |
| Vitamin D3 (Cholecalciferol) | 10 mcg |
| Vitamin E (DL-Alpha-Tocopheryl Acetate) | 13.5 mg |
| Vitamin K (Phytonadione) | 25 mcg |
| Thiamine (Vitamin B1, Thiamine Mononitrate) | 1.5 mg |
| Riboflavin (Vitamin B2) | 1.7 mg |
| Niacin (Niacinamide) | 20 mg |
| Vitamin B6 (Pyridoxine Hydrochloride) | 2 mg |
| Folate | 667 mcg DFE |
| Vitamin B12 (Cyanocobalamin) | 6 mcg |
| Biotin | 30 mcg |
| Pantothenic Acid (D-Calcium Pantothenate) | 10 mg |
| Calcium (Dicalcium Phosphate, Calcium Carbonate) | 162 mg |
| Iron (Ferrous Fumarate) | 18 mg |
| Phosphorus (Dicalcium Phosphate) | 109 mg |
| Iodine (Potassium Iodide) | 150 mcg |
| Magnesium (Magnesium Oxide) | 100 mg |
| Zinc (Zinc Oxide) | 15 mg |
| Selenium (Sodium Selenate) | 20 mcg |
| Copper (Copper Sulfate) | 2 mg |
| Manganese (Manganese Sulfate) | 3.5 mg |
| Chromium (Chromium Chloride) | 65 mcg |
| Molybdenum (Sodium Molybdate) | 160 mcg |
| Chloride (Potassium Chloride) | 72 mg |
| Potassium (Potassium Chloride) | 80 mg |
| Boron (Sodium Borate) | 150 mcg |
| Tin (Stannous Chloride) | 10 mcg |
| Silicon (Silicon Dioxide) | 2 mg |
| Vanadium (Sodium Metavanadate) | 10 mcg |