
Iron deficiency is one of the most common nutritional deficiencies worldwide, yet its impact on daily life is often underestimated. For many people, oral supplements are the first step toward replenishing low stores. But what happens when supplements don’t work, or when they cause side effects that make them difficult to continue?
In this blog, we’ll explore the effects of deficiency, the challenges of supplementation, and when IV iron may be considered for people who struggle with oral options.
How Low Iron Levels Can Affect Daily Life
Iron is needed to produce hemoglobin, the protein in red blood cells that carries oxygen throughout the body. When levels are low, people may experience:
- Fatigue or weakness
- Hair loss or brittle nails
- Shortness of breath or reduced exercise tolerance
- Headaches or dizziness
- Difficulty concentrating
- Cold hands and feet
Symptoms vary, and many can have causes unrelated to deficiency. Blood work can help determine whether low stores may be contributing to how you feel.
For many people, oral supplementation is recommended first. When well tolerated and appropriately dosed, it may gradually replenish stores. For others, however, the experience isn’t so simple.
When Oral Supplements Fall Short
Oral supplements are not one-size-fits-all. Some people respond well, while others have difficulty absorbing or tolerating them.
1. Levels Remain Low
Ferritin and other blood markers may remain low despite supplementation. Possible reasons include gastrointestinal conditions such as celiac disease or inflammatory bowel disease, ongoing blood loss, inadequate dosing, or difficulty taking supplements consistently.
If levels aren’t changing as expected, further assessment can help identify factors that may be contributing.
2. Digestive Side Effects Become Difficult
Oral supplementation can cause unwanted digestive symptoms for some people, including nausea, constipation, diarrhea, bloating, heartburn, abdominal discomfort, or a metallic taste.
Dark stools may also occur while taking oral supplements. If you notice concerning changes or symptoms, speak with your health care provider rather than assuming they are related to supplementation.
These effects can make it difficult for some people to continue taking their recommended dose.
3. Daily Supplementation Becomes a Burden
Remembering regular doses, timing supplements around meals or other medications, and managing ongoing digestive effects can become frustrating. If supplementation is difficult to maintain, discussing those concerns with your health care provider may help identify another approach.
When an IV Iron Infusion May Be Considered
For people who don’t respond adequately to oral supplements or have difficulty tolerating them, an infusion may be another option. It delivers the prescribed dose directly into the bloodstream, bypassing the digestive system.
Whether this approach is appropriate depends on your blood work, medical history, symptoms, underlying cause of the deficiency, and other individual health considerations. IV medications can also cause adverse reactions, which is why appropriate assessment and monitoring are part of the process.
Who May Be Considered for an Infusion?
Dr. Erica, ND, may discuss IV iron with people whose blood work confirms a deficiency and who have not responded adequately to oral supplementation or cannot tolerate it.
It may also be considered when a digestive condition affects absorption or when a health care provider determines that replenishment is needed within a particular timeframe. Pregnancy, upcoming surgery, and chronic health conditions require individual assessment to determine an appropriate approach.
An infusion is not automatically the right choice for everyone with low ferritin or symptoms. Your health history and laboratory findings help guide that decision.
What to Expect During an IV Iron Infusion
Your experience will depend on the prescribed medication, dose, and individual care plan. Dr. Erica, ND, will first review your symptoms, relevant blood work, health history, medications, and other factors to determine whether IV therapy may be appropriate.
Before your appointment, you’ll receive instructions on how to prepare. The prescribed medication is then administered intravenously in a clinical setting, with monitoring during and after the infusion in accordance with appropriate protocols.
Some people experience temporary side effects following IV administration. Dr. Erica will discuss potential reactions, precautions, and what to watch for before proceeding.
Follow-up blood work may also be recommended to assess your levels and determine whether further care is needed.
Explore Your Options With Dr. Erica, ND
If oral supplements haven’t raised your levels as expected or digestive effects make them difficult to tolerate, a consultation can help you discuss other options.
Book a consultation with Dr. Erica, ND, at Optimum Family Chiropractic to review your symptoms, health history, and blood work. She can discuss whether an IV iron infusion may be appropriate for your individual needs and answer your questions about the process.
Schedule an appointment in Port Moody to learn more about your options.
