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Hematology

Erythrocytes (RBC) Test

Red blood cells are the oxygen highway for your muscles and tissues. For active individuals and active individuals, monitoring erythrocyte levels provides insight into your aerobic capacity and recovery potential, helping you train smarter and perform at your peak.

Doctor's Assessment Included

Erythrocytes (RBC): what this test measures

This test measures the total number of red blood cells (erythrocytes) per volume of blood. Red blood cells contain hemoglobin, which binds oxygen and gives blood its red colour. The count provides information about your blood's oxygen-carrying capacity.

Erythrocytes (RBC): why this value matters

An abnormal red blood cell count may indicate various health conditions. Low counts can be associated with anemia, nutritional deficiencies, or chronic disease, while high counts may be linked to dehydration, lung disease, or bone marrow disorders. Regular monitoring supports early detection of potential issues.

Erythrocytes (RBC): when is testing worthwhile?

Red blood cell counts are typically included in a complete blood count (CBC), which may be ordered as part of routine health screening, when investigating symptoms such as fatigue or shortness of breath, or for monitoring existing conditions.

Erythrocytes (RBC): symptoms of a high or low value

Low Levels

Fatigue, weakness, pale skin, shortness of breath, dizziness, cold hands and feet, headaches.

High Levels

Headaches, dizziness, blurred vision, excessive sweating, joint pain, itchy skin, reddish complexion.

Erythrocytes (RBC): lifestyle and this value

Maintain a balanced diet rich in iron, vitamin B12, and folate to support healthy red blood cell production. Stay well hydrated, exercise regularly, and avoid smoking. If you experience persistent fatigue, consult a healthcare professional.

Erythrocytes (RBC): frequently asked questions

What can cause a low red blood cell count?
A low red blood cell count may be associated with iron deficiency, vitamin B12 or folate deficiency, chronic disease, blood loss, or bone marrow disorders. Your healthcare provider can help determine the underlying cause.
Can lifestyle changes improve my red blood cell count?
In many cases, dietary adjustments such as increasing iron-rich foods, vitamin B12, and folate can support healthy red blood cell production. Staying hydrated and avoiding smoking also help. Consult a healthcare professional for personalised advice.

Tests with related values

These panels measure values from the same category as this marker.

Whoop

Whoop Performance Health

A 50-biomarker performance panel inspired by the WHOOP Performance Health Panel — recovery, blood production, thyroid, hormones, iron and nutrient status for people who train.

Complete Blood Count (CBC) Leukocyte Differential ALP (Alkaline Phosphatase) ALT (Alanine Aminotransferase) AST (Aspartate Aminotransferase) Albumin Total Protein Bilirubin (Total) ApoB (Apolipoprotein B) Total Cholesterol LDL Cholesterol HDL Cholesterol Triglycerides Lipoprotein(a) Urea (BUN) Creatinine eGFR (Estimated Glomerular Filtration Rate) Calcium Bicarbonate Chloride Sodium Potassium Magnesium Cortisol DHEA-S Estradiol (E2) FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) SHBG (Sex Hormone Binding Globulin) Total Testosterone Free Testosterone TSH (Thyroid Stimulating Hormone) Glucose (Fasting) HbA1c (Glycated Hemoglobin) Insulin (Fasting) HOMA-IR CRP (C-Reactive Protein) Homocysteine Ferritin Iron (Serum) Transferrin Transferrin Saturation Vitamin D (25-OH) IGF-1 (Insulin-like Growth Factor) Creatine Kinase (CK) Reticulocytes Free T3 (Triiodothyronine) Free T4 (Thyroxine) Vitamin B12 Folate (Folic Acid)
€689,-
Whoop

Whoop

A 43-biomarker comprehensive health panel inspired by WHOOP Advanced Labs — a deep look at metabolism, cardiovascular risk, hormones, liver, kidney and inflammation.

SHBG (Sex Hormone Binding Globulin) TSH (Thyroid Stimulating Hormone) ALT (Alanine Aminotransferase) LDL Cholesterol Cortisol DHEA-S Estradiol (E2) Free Testosterone FSH (Follicle Stimulating Hormone) LH (Luteinizing Hormone) Total Testosterone Bicarbonate Calcium Chloride Ferritin Iron (Serum) Magnesium Potassium Sodium Transferrin CRP (C-Reactive Protein) Homocysteine Glucose (Fasting) HbA1c (Glycated Hemoglobin) ApoB (Apolipoprotein B) HDL Cholesterol Total Cholesterol Albumin HOMA-IR ALP (Alkaline Phosphatase) AST (Aspartate Aminotransferase) Bilirubin (Total) Total Protein Urea (BUN) Creatinine Vitamin D (25-OH) eGFR (Estimated Glomerular Filtration Rate) Insulin (Fasting) Leukocyte Differential Transferrin Saturation Lipoprotein(a) Triglycerides Basic Blood Count
€499,-
Health Checkups

InsideTracker

A 35-biomarker performance and longevity panel inspired by InsideTracker Ultimate — covering heart, hormones, metabolism, inflammation, recovery and iron status.

SHBG (Sex Hormone Binding Globulin) TSH (Thyroid Stimulating Hormone) ALT (Alanine Aminotransferase) LDL Cholesterol GGT (Gamma-Glutamyl Transferase) Cortisol DHEA-S Estradiol (E2) Free Testosterone Total Testosterone Folate (Folic Acid) Vitamin B12 Calcium Ferritin Iron (Serum) Magnesium Potassium Progesterone Sodium Transferrin CRP (C-Reactive Protein) Glucose (Fasting) HbA1c (Glycated Hemoglobin) ApoB (Apolipoprotein B) HDL Cholesterol Total Cholesterol Albumin AST (Aspartate Aminotransferase) Vitamin D (25-OH) Insulin (Fasting) Leukocyte Differential Creatine Kinase (CK) Transferrin Saturation Triglycerides Basic Blood Count
€399,-

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Medical standards

Dr. Naimi oversees the medical standards behind our content and assessments.

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Erythrocytes (RBC)

€16,-