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Bicarbonate

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Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.

Minerals

Bicarbonate blood test: what a low bicarb result may mean

Bicarbonate plays a role in buffering lactic acid during intense exercise. Monitoring your levels can help you understand your body's recovery capacity and metabolic efficiency.

What It Measures

This test measures the level of bicarbonate (CO2) in your blood. It reflects your body's ability to regulate acid-base balance and is often included in a basic metabolic panel.

Why It Matters

Proper bicarbonate levels are essential for maintaining blood pH. Imbalances may indicate respiratory or metabolic conditions and can affect organ function. Consult your healthcare provider for interpretation of your results.

When to Test

Testing may be recommended as part of a routine metabolic panel, or if you experience symptoms such as prolonged vomiting, difficulty breathing, or unexplained fatigue.

Symptoms

Low Levels

Symptoms of low bicarbonate may include rapid breathing, fatigue, confusion, and headache. This condition, known as metabolic acidosis, requires medical attention.

High Levels

High bicarbonate levels may cause muscle twitching, hand tremors, nausea, and confusion. This may be associated with metabolic alkalosis and should be evaluated by a healthcare provider.

Lifestyle Tips

Stay well-hydrated and maintain a balanced diet. If you have kidney conditions or take medications affecting electrolyte balance, work closely with your healthcare provider to monitor bicarbonate levels.

Frequently Asked Questions

What causes low bicarbonate levels?

Low levels may be caused by kidney disease, diabetic ketoacidosis, severe diarrhoea, or certain medications. Your healthcare provider can help determine the underlying cause.

Is bicarbonate the same as baking soda?

Sodium bicarbonate is the chemical name for baking soda. However, blood bicarbonate levels reflect your body's acid-base balance and are different from dietary sodium bicarbonate intake.

How is bicarbonate related to kidney function?

The kidneys play a major role in regulating bicarbonate levels. Abnormal levels may indicate kidney function changes. Discuss your results with your healthcare provider.

Test Products

This marker is included in the following test panels.

Whoop

A 44-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 Omega-3 Index 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 Complete Blood Count (CBC)

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