Fusion is a high-dose iron supplement containing two forms of iron, vitamin C, and probiotics. It’s intended to treat iron-deficiency anemia but can be purchased without a prescription. In addition to iron, Fusion contains vitamin C to help the body absorb the iron. It also contains Lactobacillus, a probiotic bacteria, which helps reduce side effects in the digestive system. As a high-dose iron supplement, Fusion is intended to be prescribed or advised by a healthcare professional.
Fusion overview
BRAND NAMES:
Fusion, Fusion Plus
Generic Names:
Ferrous fumarate, ferrous polysaccharide, vitamin C, Lactobacillus casei
Uses:
Treats iron-deficiency anemia and iron-vitamin C deficiency
Therapeutic Classes:
Dietary supplement, nutriceutical, iron supplement
Forms:
Capsule
How it’s taken:
By mouth
What is Fusion used for?
Fusion is a high-dose iron supplement that treats iron-deficiency anemia or iron and vitamin C deficiency.
What form(s) does Fusion come in?
Capsule
130 mg elemental iron (65 mg ferrous fumarate/65 mg polysaccharide iron complex/25 mg vitamin C/30 mg Lactobacillus casei)
What are common Fusion dosages?
For iron deficiency anemia in adults: One capsule (130 mg elemental iron) taken once daily between meals or as prescribed by a physician
How to take Fusion
Fusion is a high-dose iron supplement. Avoid using it except under the direction of a healthcare provider.
Your healthcare provider will tell you how much medicine to use. Do not use more than directed.
Follow the instructions on the medicine label if you are using this medicine without a prescription.
Take only one capsule per day.
Take the capsule between meals (two hours after the last meal and one hour before the next meal).
What to do if you miss a dose of Fusion
Take only one capsule per day.
If a dose is missed, take it on the same day if remembered.
If it’s the next day, skip the missed dose and take that day’s dose as scheduled.
Do not take two capsules to make up for a missed dose.
Fusion contraindications - Who shouldn't take Fusion?
This medicine is not right for everyone.
Do not use it if you have had an allergic reaction to any of the ingredients in Fusion.
Fusion and other iron supplements should never be taken by people with hemosiderosis (excessive iron deposits in tissues), hemochromatosis (over-absorption of iron by the digestive system), or hemolytic anemias (excessive destruction of red blood cells).
Fusion warnings
Fusion is intended as a treatment for iron-deficiency anemia.
Do not use Fusion for several months without talking to a healthcare provider first.
Before using Fusion, consult a healthcare provider if you have a weak immune system.
Tell your healthcare provider if you are pregnant or breastfeeding or if you have any food allergies.
Keep Fusion and other iron supplements securely out of the reach of children. Accidental iron overdoses are one of the leading causes of death in children younger than 6 years old.
Fusion interactions & what to avoid when taking Fusion
Tell your healthcare provider about all the prescription drugs, over-the-counter medications, dietary supplements, and foods that you are taking.
Iron supplements can worsen high blood pressure in people taking methyldopa so healthcare professionals avoid the combination.
Iron supplements can interfere with the body’s absorption of certain drugs, making them less effective. These drugs must be taken at least two hours before or two hours after taking a Fusion capsule. They include:
Fluoroquinolone antibiotics
The thyroid medication levothyroxine
The heart medication digoxin
Fusion side effects - How does Fusion make you feel?
Serious side effects
Talk to a healthcare provider if you notice any signs or symptoms of a possible serious side effect including:
Signs of an overdose such as severe nausea, vomiting, blood in the stools, blue lips, nails, or skin
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Nausea
Vomiting
Gas or cramps
Metallic taste
Constipation
Diarrhea
Sources:
Drug interactions with vitamins and minerals, U.S. Pharmacist
Fusion, U.S. Pharmaceuticals
Iron supplementation, StatPearls
Iron supplements (oral route, parenteral route), Mayo Clinic
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