Cardiovascular Disease - Bloody Good
Vitamins & Minerals

Vitamin B1 (Thiamine)

The Vitamin B1 (Thiamine) Blood Test measures levels of thiamine, a vitamin that helps your body convert food into energy and supports nerve and heart function. Low B1 can cause fatigue, muscle weakness, nerve problems, and in severe cases heart complications. Adequate levels are important for energy and overall health.

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Vitamin B1 (Thiamine)

Experiencing fatigue, muscle weakness, or neurological symptoms and want assessment of energy metabolism and thiamine status for optimal health?

Overview

Think of Vitamin B1 as your body's essential energy converter – it's the vitamin that transforms the carbohydrates you eat into fuel for your brain, heart, and muscles. This test measures your thiamine levels to see how well your body is managing this crucial conversion process, much like checking whether your car's engine is getting the right fuel mixture to run smoothly.

When your B1 levels are too low, your body's energy production system starts to break down, leading to fatigue, muscle weakness, heart problems, and even neurological issues like memory troubles or nerve damage. This test is especially valuable if you're experiencing unexplained tiredness, muscle weakness, or cognitive fog, or if you have conditions that put you at higher risk for deficiency, such as alcohol use disorders, digestive problems, or poor nutrition. By catching B1 deficiency early, you can address it with proper supplementation before it leads to more serious complications, helping restore your body's natural energy production and keeping your nervous system running at its best.

Reviewed by Dr. Vu Tran
Bloody Good’s Chief Medical Officer

Symptoms

You may benefit from this test if you experience:
Feeling tired all the time Difficulty concentrating on tasks Problems with short-term memory Feeling sad or down most of the time Muscle weakness in arms or legs Memory problems or confusion Confusion about time or date Loss of sensation in extremities

Purpose

Essential for individuals with fatigue, neurological symptoms, suspected thiamine deficiency, or anyone needing comprehensive energy metabolism assessment.

How to prepare

No special preparation required. Inform healthcare provider of all B-vitamin supplements and medications that might affect thiamine levels or metabolism.

Understanding results

Results show thiamine levels compared to normal ranges. Low levels indicate deficiency requiring supplementation and investigation of underlying causes affecting thiamine status.

After the test

Address thiamine deficiency through appropriate supplementation, dietary improvements including thiamine-rich foods, addressing underlying causes, and regular monitoring to ensure adequate levels.

Frequently Asked Questions

  • Vitamin B1 (thiamine) is essential for energy metabolism, nervous system function, muscle function including the heart, and brain function, particularly in carbohydrate metabolism.
  • Signs include fatigue, muscle weakness, neurological symptoms, memory problems, heart palpitations, and in severe cases, beriberi or Wernicke-Korsakoff syndrome.
  • Causes include alcoholism, poor dietary intake, malabsorption disorders, increased needs during illness or pregnancy, and certain medications that interfere with thiamine absorption.
  • High-risk groups include people with alcoholism, eating disorders, malabsorption conditions, elderly individuals, and those with poor dietary intake or increased metabolic demands.
  • Good sources include whole grains, legumes, nuts, seeds, pork, fish, and fortified cereals, with processing and cooking reducing thiamine content.
  • Daily requirements vary but generally range from 1.0-1.2mg for adults, with higher needs during pregnancy, breastfeeding, illness, or periods of high energy expenditure.
Vitamin B1 (Thiamine)

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What to expect

We want you to feel bloody good—inside and out. Regular testing isn’t just about checking your current health; it helps you spot abnormal values you might not know about.

1

Book your referral

Choose the testing that suits your goals. After ordering, you will receive your referral by email.

2

Collect your sample

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3
Receive your results

Receive your results

View your lab results and receive a personalised review from the secure Bloody Good platform.

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