The Big One w/ Iron 90c by Metabolic Maintenance – Daily Nutritional Support Multivitamin
The Big One with Iron capsules by Metabolic Maintenance combine vitamins and trace minerals in a one-capsule daily multivitamin. This 90-capsule formula includes iron bisglycinate, methylcobalamin, calcium L-5-methylfolate, and vitamins K1 and K2, distinguishing it from an iron-free multi.
Each capsule supplies 10 mg of iron alongside 125 mg of vitamin C and 25 mcg of vitamin D3. It offers broad micronutrient coverage without a separately listed calcium or magnesium dose, so it is worth comparing the complete panel with your diet rather than assuming every mineral is included.
Key The Big One w/ Iron 90c Benefits
- Supports oxygen transport by supplying iron, a component of the hemoglobin that carries oxygen in red blood cells.
- Provides B vitamins involved in energy metabolism, helping cells use nutrients from food in their everyday work.
- Supports antioxidant protection with vitamin C and vitamin E, while vitamin D3 contributes to normal calcium absorption.
How The Big One w/ Iron 90c Works
These nutrients have different jobs rather than acting as a single stimulant. Iron helps move oxygen, while B vitamins assist the chemical steps cells use to process food. Folate and B12 also work together in pathways that supply building blocks for new cells. This makes the formula a nutritional foundation, not a substitute for evaluating persistent tiredness or an individual nutrient need.
Key Functional Ingredients Include:
- Iron: Helps hemoglobin carry oxygen from the lungs to tissues. Iron also participates in cellular energy processes. The bisglycinate form supplies this essential mineral, but supplemental iron is appropriate only when it fits your nutritional needs.
- Vitamin C: Donates electrons in antioxidant reactions and helps enzymes perform essential tasks. It also facilitates the absorption of nonheme iron, linking its nutritional role with this formula's iron content without implying a guaranteed absorption rate.
- Vitamin D3: Helps the intestine absorb calcium, supporting the body's normal mineral balance. That role complements dietary calcium; the presence of vitamin D3 does not mean this capsule supplies a substantial calcium dose.
- Folate: Supplies one-carbon units, small molecular building blocks used to make DNA. Calcium L-5-methylfolate provides a folate form involved in this network, supporting the normal production and renewal of cells.
- Vitamin B12: Helps recycle homocysteine into methionine, an amino acid used to make proteins and support normal methylation reactions. Methylcobalamin works with folate in this pathway, connecting the two nutrients' roles in everyday cellular maintenance.
The Big One w/ Iron 90c Is Formulated For
- Adults seeking a daily multivitamin whose nutrition plan specifically includes supplemental iron.
- People comparing methylated B-vitamin forms and trace-mineral coverage with their existing supplements.
Supplements support your health but do not replace a balanced diet. Always check with your healthcare practitioner before starting a new supplement. Ready to find the right fit? Access Now to schedule a consultation with our licensed wellness professionals at Holistic Health Partners, led by Carolyn Mulally BS, RN, HN-BC. You may also wish to explore our other Metabolic Maintenance collection.
Recommendation: One (1) capsule daily with a meal, or as directed by a healthcare professional.
Serving Size: 1 Capsule
Servings Per Container: 90
Vitamin A (Natural Mixed Carotenoids, Vitamin A Palmitate) ... 2400 mcg RAE
Vitamin C (Ascorbic Acid, Ascorbyl Palmitate) ... 125 mg
Vitamin D3 (Cholecalciferol) ... 25 mcg
Vitamin E (D-Alpha-Tocopheryl Succinate, Mixed Tocopherols) ... 67 mg
Vitamin K1 ... 85 mcg
Thiamine (Thiamine Mononitrate) ... 25 mg
Riboflavin (as Riboflavin 5-Phosphate) ... 25 mg
Niacin (Niacinamide) ... 100 mg NE
Vitamin B6 (Pyridoxal 5-Phosphate and Pyridoxine Hydrochloride) ... 25 mg
Folate ... 667 mcg DFE
Calcium L-5-Methylfolate (calcium salt) ... 400 mcg
Vitamin B12 (Methylcobalamin) ... 100 mcg
Biotin ... 200 mcg
Pantothenic Acid (Calcium D-Pantothenate) ... 100 mg
Iron (as Iron Bisglycinate) ... 10 mg
Iodine (as Potassium Iodide) ... 100 mcg
Zinc (Zinc Citrate) ... 15 mg
Selenium (L-Selenomethionine) ... 100 mcg
Copper (as Copper Gluconate) ... 1 mg
Manganese (as Manganese Glycinate) ... 5 mg
Chromium (Chromium Polynicotinate) ... 100 mcg
Molybdenum (as Molybdenum Glycinate) ... 50 mcg
Betaine Hydrochloride ... 25 mg
Boron (Boron Citrate) ... 1 mg
Vanadium (as Vanadyl Sulfate) ... 50 mcg
Vitamin K2 ... 15 mcg
Daily Value not established for this ingredient
Other Ingredients: Vegetarian Cellulose Capsule, Vitamin E
Does Not Contain: Egg free
Gluten free
Free of nuts
Dairy free
Storage: Keep tightly closed in a cool, dry place, out of the reach of children.
Moisture sensitive formula. Best consumed within 120 days after opening.
Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of an accidental overdose, call a doctor or poison control center immediately.
Vitamin E is derived from soy oil.
Additional precautions: Iron can cause nausea or constipation and can interfere with levothyroxine and levodopa. Ask your pharmacist about medication timing. Vitamin K can interact with warfarin; vitamin E can also increase bleeding risk with anticoagulants. Avoid supplemental iron if you have iron overload unless your clinician directs its use. Excess supplemental vitamin B6 can cause nerve symptoms; review total intake before combining this 25 mg B6 formula with other B-vitamin products. Seek professional guidance before use during pregnancy or breastfeeding, with thyroid concerns, or with a soy allergy.
Frequently Asked Questions About The Big One w/ Iron 90c
What are the benefits of The Big One w/ Iron 90c?
The Big One with Iron provides broad vitamin and trace-mineral support in one capsule. Its 10 mg of iron contributes to normal oxygen transport, while B vitamins participate in energy metabolism and cellular renewal. Vitamin C provides antioxidant support, and vitamin D3 supports calcium absorption. The formula also includes folate as calcium L-5-methylfolate and B12 as methylcobalamin. These are nutritional functions, not a promise that an iron-containing multi will improve energy when your nutrient intake is already adequate.
Who should take The Big One w/ Iron 90c?
This formula is an option for adults who want a daily multivitamin and have a reason to include supplemental iron. Each capsule contains 10 mg of iron, so compare it with your food intake and other supplements rather than choosing it simply because it contains more ingredients. Adults who do not need additional iron should discuss an iron-free option. Pregnancy, breastfeeding, thyroid concerns, medication use, and soy allergy call for individualized guidance before starting this particular formula.
Are there any side effects of taking The Big One w/ Iron 90c?
Iron can cause nausea or constipation. Review warfarin, levothyroxine, and levodopa use with your clinician or pharmacist; excess supplemental B6 can cause nerve symptoms. Vitamin E is derived from soy oil. Keep tightly closed in a cool, dry place, out of the reach of children. Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of an accidental overdose, call a doctor or poison control center immediately. Avoid supplemental iron with iron overload unless directed by your clinician.
How does The Big One w/ Iron 90c support overall health?
The formula supplies nutrients that participate in different everyday processes: iron in oxygen transport, folate in DNA building blocks, and methylcobalamin in normal methylation pathways. Vitamin D3 supports calcium absorption, while vitamin C contributes to antioxidant reactions. Together, these roles explain the formula's broad nutritional purpose without making it a replacement for varied meals. Follow the label's one-capsule-with-a-meal directions, review overlapping supplements, and keep the moisture-sensitive bottle tightly closed according to its storage instructions.
These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.