What We Treat › Iron Deficiency

Physician-Directed IV Iron · Scottsdale AZ

Tired All the Time?
Your Iron May Be Low.

Iron deficiency is the most common nutritional deficiency in the world — and one of the most under-treated. It steals your energy, dulls your thinking, shortens your breath, and makes you feel physically heavy. When oral iron fails or cannot be tolerated, physician-administered IV iron delivers a full therapeutic dose directly into the bloodstream — bypassing the gut entirely.

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2B+People worldwide affected by iron deficiency anemia

1 sessionIV iron can replace months of oral supplementation

2–4 wksWhen most patients feel meaningful energy restoration

Iron deficiency checklist:

Persistent fatigue despite adequate sleep
Shortness of breath with minimal exertion
Pale skin, brittle nails, hair loss
Rapid or irregular heartbeat
Difficulty concentrating / brain fog
Cold hands and feet
Restless leg sensations at night

Low Ferritin Low Hemoglobin Low TSAT High TIBC

Symptom Recognition

What Iron Deficiency Actually Feels Like

Iron deficiency progresses through stages — from depleted stores (low ferritin, no symptoms) to iron-deficient erythropoiesis to frank anemia. Most people never get a diagnosis until they are significantly symptomatic. Even then, oral iron is often the only treatment offered — which fails many patients due to absorption issues or GI intolerance.

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Severe, unrelenting fatigueIron is essential for hemoglobin synthesis — the protein that carries oxygen in red blood cells. Without adequate iron, tissues run chronically oxygen-deprived. The result is a fatigue that feels physical, cellular, and unresponsive to rest.

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Cognitive impairment and brain fogThe brain consumes ~20% of the body's oxygen. Iron deficiency reduces cerebral oxygenation and also directly impairs dopaminergic neurotransmission — producing concentration difficulties, slowed processing, and mood disturbance that are often mistaken for depression or ADHD.

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Exertional dyspneaWhen hemoglobin is low, the heart compensates by pumping faster and harder. Climbing stairs, carrying groceries, or light exercise becomes disproportionately exhausting because the cardiovascular system is working at capacity just to maintain baseline oxygen delivery.

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Pallor, brittle nails, hair thinningIron is essential for keratin synthesis and cell turnover. Low ferritin — even before anemia develops — causes hair shedding (telogen effluvium), brittle nails, and skin pallor. These are early, often dismissed signs of depleted iron stores.

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Palpitations and racing heartAnemia forces compensatory cardiac output. Many patients present with awareness of their heartbeat, occasional irregular rhythms, or exercise intolerance — symptoms that can be alarming and are frequently worked up cardiology before iron deficiency is considered.

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Cold intoleranceIron is involved in thyroid hormone metabolism and thermoregulation. Iron-deficient patients frequently feel cold in normal-temperature environments — particularly in hands and feet — even before measurable anemia develops.

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Restless legs syndromeIron is a cofactor in dopamine synthesis in the brain stem. Iron deficiency — particularly low CNS iron — is among the strongest modifiable risk factors for restless legs syndrome. IV iron supplementation frequently resolves RLS when other treatments have failed.

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Poor exercise recoveryAthletes and active individuals are disproportionately affected by iron deficiency. Iron is required for mitochondrial energy production beyond its hemoglobin role. Sub-optimal ferritin — even without anemia — measurably impairs VO2 max and endurance capacity.

The Physiology

Why Oral Iron Often Isn't Enough

Iron deficiency is common. Successful oral iron repletion is not. Understanding why most patients struggle with oral iron explains why IV iron has become the standard of care in many clinical settings.

Absorption Is Inherently Limited

Dietary and supplemental iron is absorbed primarily in the duodenum through a tightly regulated transport system. Under normal conditions, only 10–15% of non-heme oral iron is absorbed — and this percentage drops further in the presence of inflammation, gut dysbiosis, or competing dietary factors (calcium, phytates, tannins). Even optimal oral supplementation may replete iron slowly over months — during which symptoms persist.

GI Intolerance Is Extremely Common

Therapeutic doses of oral iron — typically 150–200mg elemental iron per day — cause nausea, constipation, cramping, and dark stools in a substantial percentage of patients. The GI side effect profile is severe enough that many patients cannot maintain therapeutic dosing long enough to replete stores. IV iron bypasses this problem entirely by delivering iron directly to the bloodstream.

Hepcidin Blocks Absorption During Inflammation

Hepcidin is the master regulator of iron metabolism. During inflammation, infection, or chronic disease, hepcidin rises dramatically — blocking intestinal iron absorption and preventing the release of stored iron from macrophages. Patients with inflammatory conditions, autoimmune disease, or chronic illness cannot absorb oral iron effectively regardless of dose. IV iron bypasses hepcidin regulation completely.

Celiac, IBD, and Gut Malabsorption

Celiac disease, Crohn's disease, ulcerative colitis, and other GI conditions directly damage the mucosal surface responsible for iron absorption. For these patients, oral iron is not merely inefficient — it may be essentially futile. IV iron is the appropriate treatment and is increasingly used as first-line therapy in IBD-associated anemia rather than as a last resort.

Ongoing Blood Loss Exceeds Oral Repletion

Heavy menstrual bleeding, GI blood loss, or frequent blood donation creates iron losses that may outpace what oral supplementation can replace. For patients with ongoing blood loss, IV iron provides a rapid, large-dose repletion that oral supplementation cannot match — restoring iron stores faster than they are being depleted.

Ferritin Below 30 ng/mL Is Symptomatic

Standard lab reference ranges flag anemia based on hemoglobin. But iron deficiency without anemia (IDNA) — defined by low ferritin with normal hemoglobin — causes fatigue, hair loss, brain fog, and exercise intolerance that are clinically real and physiologically valid. Many physicians miss IDNA because they don't measure ferritin, or because patient ferritin of 20–30 ng/mL falls within the technical "normal" range despite being sub-physiological.

The Treatment

IV Iron: What to Expect

IV iron at Viva is physician-ordered and RN-administered. Dr. Cordova reviews your iron panel (ferritin, hemoglobin, TSAT, TIBC) to confirm deficiency and determine appropriate dosing before any infusion is given. This is not a wellness supplement — it is a medical treatment that requires proper indication and monitoring.

The infusion itself takes 1–2 hours. Most patients experience no significant side effects. Mild flushing or temporary taste changes can occur. A small percentage of patients experience delayed reactions (muscle aches, mild fever) in the 24–48 hours following infusion — these are self-limiting and manageable. We monitor you during and briefly after the infusion as standard protocol.

Energy improvements typically emerge over 2–4 weeks as hemoglobin rises and iron stores are restored. Hair shedding — driven by depleted ferritin — typically begins to normalize at 6–8 weeks post-infusion. We recheck labs at 4–6 weeks to assess response and determine whether additional sessions are needed.

Treatment Options

Viva Iron Therapy Protocols

All IV iron is physician-ordered by Dr. Cordova following bloodwork review. Protocols are designed to your specific deficiency severity.

Core Treatment

Iron IV Therapy

Physician Consultation Required

Physician-ordered IV iron infusion — the definitive treatment for iron deficiency anemia and iron deficiency without anemia when oral iron has failed or cannot be tolerated. Full session with RN monitoring.

Iron panel bloodwork review before treatment
Physician-ordered dosing protocol
RN-administered with in-clinic monitoring
Follow-up labs to confirm response

View Iron IV Therapy →

Complementary Support

Vitamin B12 Injection

From $25

B12 deficiency frequently co-exists with iron deficiency and produces overlapping symptoms (fatigue, cognitive impairment, pallor). A combined approach addresses both deficiencies simultaneously for faster clinical improvement.

Addresses B12 deficiency anemia
Rapid absorption vs. oral B12
Synergistic with IV iron protocol
25mg–200mg doses available

View Injections →

Energy Amplifier

NAD+ IV Therapy

From $200

Iron is required for mitochondrial electron transport chain function. NAD+ directly supports mitochondrial energy production — complementing iron repletion for patients who need faster cellular energy restoration.

Supports mitochondrial function
Amplifies energy recovery post-iron
Reduces cognitive fatigue
250mg ($200) to 1000mg ($700)

View NAD+ →

Diagnostic

Optimization Program

Custom

If your fatigue, brain fog, or poor recovery has multiple potential causes — iron, hormones, thyroid, metabolic — a comprehensive diagnostic panel identifies all contributing factors and guides a targeted treatment plan.

Comprehensive bloodwork panel
Rules out all common deficiency causes
Physician-designed personalized protocol
Addresses root cause, not symptoms

View Optimization →

Your Experience

Starting Iron IV Therapy

Step 1

Bloodwork & Physician Review

You don't receive IV iron without a physician reviewing your iron panel first. We need ferritin, hemoglobin, TSAT, and TIBC to confirm deficiency, assess severity, and determine the appropriate infusion dose. If you have recent labs, bring them. If not, we can coordinate bloodwork.

Step 2

Physician Order & Protocol Design

Dr. Cordova reviews your labs and symptoms, confirms iron deficiency, and writes the infusion order specifying iron formulation and dose. This is a medical prescription — not an a la carte add-on. Appropriate indication matters for both safety and efficacy.

Step 3

Infusion Session (1–2 Hours)

You relax in our clinic while our RN administers your iron infusion. Most patients bring a book, laptop, or simply rest. The infusion itself is painless beyond the initial IV placement. We monitor you throughout and for a brief period after completion.

Step 4

Follow-Up Labs (4–6 Weeks)

We recheck ferritin and hemoglobin 4–6 weeks post-infusion to confirm response. Most patients achieve significant ferritin improvement from a single infusion. Some deficiency causes require repeat infusions — which we plan based on your follow-up numbers and ongoing clinical situation.

Medical Director & Founder

Dr. Jerome Cordova, MD

Critical Care Physician · Biomedical Engineer · Founded Viva IV Therapy 2017 · Old Town Scottsdale

"Iron deficiency is one of the most satisfying conditions to treat because the results are so clear and so fast. A patient comes in barely functional — exhausted, pale, short of breath. Four weeks after an IV iron infusion, they feel like a different person. It's basic physiology: give the body what it needs to carry oxygen, and it performs. The frustrating part is how often it goes undiagnosed for years."

Common Questions

Iron IV FAQ

Modern IV iron formulations (ferric carboxymaltose, low molecular weight iron dextran, iron sucrose) have excellent safety profiles when administered appropriately. Serious allergic reactions are rare with current formulations and are managed with standard in-clinic protocols. Dr. Cordova reviews your history for contraindications before ordering any infusion.

IV iron is indicated when oral iron has failed or cannot be tolerated, when deficiency is severe, when you have a GI condition affecting absorption, when you have ongoing blood loss exceeding oral repletion capacity, or when you need faster repletion than oral iron can provide. Dr. Cordova reviews your clinical situation and makes this determination at consultation.

Most patients experience nothing beyond mild awareness of the IV. Some notice a brief metallic taste. Occasionally mild flushing occurs. A small minority of patients develop delayed reactions (muscle aches, low-grade fever) in the 24–48 hours after infusion — these are self-limiting. We review expected effects and what to monitor for before you leave the clinic.

For many patients, a single infusion fully repletes iron stores. Others require repeat sessions — particularly those with ongoing blood loss or malabsorption. Follow-up labs at 4–6 weeks determine whether additional infusions are needed. We discuss this upfront so you have realistic expectations.

Iron must be incorporated into new red blood cells before energy improves — which takes 2–4 weeks. Some patients feel subtle improvements within days as tissue iron stores are restored. Hair shedding typically normalizes at 6–8 weeks. Most patients describe a clear inflection point around 3–4 weeks post-infusion where energy meaningfully improves.

Tired All the Time?
Your Iron May Be Low.

What Iron Deficiency Actually Feels Like

Why Oral Iron Often Isn't Enough

IV Iron: What to Expect

Iron Panel Reference

Viva Iron Therapy Protocols

Starting Iron IV Therapy

Iron IV FAQ

Also Explore

Stop Running on Empty.

Tired All the Time?Your Iron May Be Low.

What Iron Deficiency Actually Feels Like

Why Oral Iron Often Isn't Enough

IV Iron: What to Expect

Iron Panel Reference

Viva Iron Therapy Protocols

Starting Iron IV Therapy

Iron IV FAQ

Also Explore

Stop Running on Empty.

Tired All the Time?
Your Iron May Be Low.