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Metabolic Maintenance® The Big One with iron (90 capsules) is a complete multivitamin and mineral supplement, in a simple one-capsule-per-day dosage. The formula contains active forms of B vitamins, various trace elements, beta-carotene, and tocopherols. This variant also contains 29 mg of iron in the form of iron bisglycinate, a well-absorbed form.
The supplement contains folic acid in the form of calcium-L-methylfolate, an active and stable form that, unlike synthetic folic acid, does not need to be converted first. This form most closely matches the natural folates found in foods such as leafy greens.
This multivitamin contains both vitamin K1 (phylloquinone) and vitamin K2 (menaquinone-7, MK-7). Vitamin K1 is mainly found in green vegetables, while K2 comes from fermented foods such as natto. The combination offers variety in absorption and availability.
The supplement contains a mix of mixed tocopherols, including d-alpha-tocopherol. This form is fat-soluble and naturally occurs in vegetable oils such as soybean oil, from which this variant is derived.
Many vitamins and minerals, like A, D, E, and K, are fat-soluble. By taking the supplement with a meal – ideally with some fat – the absorption of these nutrients is improved.
The used form is zinc citrate, a well-absorbed and commonly used compound. Zinc naturally occurs in meat, fish, grains, and legumes, and is often added to multivitamins as an essential trace element.
Minerals are nutrients the body needs in relatively larger quantities, such as calcium and magnesium. Trace elements, like zinc, selenium, and copper, are also essential like minerals, but are only used in very small amounts.
This formula contains iron as iron bisglycinate, a commonly used chelated form of iron in which the mineral is bound to the amino acid glycine. This form is often chosen for its good tolerance and stability in supplement form.
| Composition per serving (1 capsule) | Amount | RI* |
|---|---|---|
| Vitamin A (from natural blends of carotenoids and retinyl palmitate) | 2400 µg | 300% |
| Vitamin C (as ascorbic acid and ascorbyl palmitate) | 125 mg | 156.25% |
| Vitamin D3 (as cholecalciferol) | 25 µg | 500% |
| Vitamin E (as d-alpha-tocopheryl succinate and mixed tocopherols) | 67 mg | 558.33% |
| Vitamin K (as K1 and K2 MK-7) | 100 µg | 133.33% |
| Vitamin B1 (as thiamine mononitrate) | 25 mg | 2272.73% |
| Vitamin B2 (as riboflavin-5-phosphate) | 25 mg | 1785.71% |
| Vitamin B3 (as niacinamide) | 100 mg | 625% |
| Vitamin B6 (as pyridoxine HCl and pyridoxal-5-phosphate) | 25 mg | 1785.71% |
| Folate (400 mcg folic acid as calcium-L-methylfolate) | 667 mcg | - |
| Vitamin B12 (as methylcobalamin) | 100 µg | 4000% |
| Biotin | 200 µg | 400% |
| Vitamin B5 (as calcium-D-pantothenate) | 100 mg | 1666.67% |
| Iron (as iron bisglycinate) | 10 mg | 71.43% |
| Iodine (as potassium iodide) | 100 µg | 66.67% |
| Zinc (as zinc citrate) | 15 mg | 150% |
| Selenium (as L-selenomethionine) | 100 µg | 181.82% |
| Copper (as copper gluconate) | 1 mg | 100% |
| Manganese (as manganese glycinate) | 5 mg | 250% |
| Chromium (as chromium polynicotinate) | 100 µg | 250% |
| Molybdenum (as molybdenum glycinate) | 75 µg | 187.5% |
| Betaine HCL | 25 mg | - |
| Boron (as boron citrate) | 1 mg | 6.67% |
| Vanadium (as vanadium sulfate) | 50 mcg | - |
Vitamin A (from natural blends of carotenoids and retinyl palmitate), vitamin C (as ascorbic acid and ascorbyl palmitate), vitamin D3 (as cholecalciferol), vitamin E (as d-alpha-tocopheryl succinate and mixed tocopherols), vitamin K (as K1 and K2 MK-7), vitamin B1 (as thiamine mononitrate), vitamin B2 (as riboflavin-5-phosphate), vitamin B3 (as niacinamide), vitamin B6 (as pyridoxine-HCl and pyridoxal-5-phosphate), folate (as calcium-L-methylfolate), vitamin B12 (as methylcobalamin), biotin, vitamin B5 (as calcium-D-pantothenate), iron (as iron bisglycinate), iodine (as potassium iodide), zinc (as zinc citrate), selenium (as L-selenomethionine), copper (as copper gluconate), manganese (as manganese glycinate), chromium (as chromium polynicotinate), molybdenum (as molybdenum glycinate), betaine HCl, boron (as boron citrate), vanadium (as vanadyl sulfate), vegetarian cellulose capsule.
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