Vitamin B1, also known as Thiamine. It's small but mighty—crucial for converting food into energy and keeping your nervous system and brain in top form.
Vitamin B1
✅ What Is Vitamin B1?
Vitamin B1 is a water-soluble B-complex vitamin. Your body uses it to convert carbohydrates into energy and to support proper function of the nerves, muscles, and brain.
Since it’s water-soluble and not stored in large amounts, you need to get it regularly from food.
🔋 What Does B1 Do in the Body?
⚙️ 1. Energy Metabolism
Helps convert glucose (from food) into ATP (cellular energy)
Works as a coenzyme in key metabolic pathways
🧠 2. Nervous System Function
Supports nerve signal transmission
Maintains proper muscle coordination and reflexes
Important for mental clarity, memory, and mood
❤️ 3. Heart & Muscle Support
Aids in muscle contraction, including the heart
Helps prevent fatigue and weakness
⚠️ Signs of Thiamine Deficiency
Fatigue and irritability
Poor concentration or memory
Tingling or numbness in hands and feet
Muscle weakness
Loss of appetite
In severe cases:
Beriberi (affects heart and nerves)
Wernicke-Korsakoff syndrome (linked to alcohol abuse and brain damage)
Alcohol abuse is a major risk factor for B1 deficiency, as it impairs absorption and increases loss.
🥜 Where to Get Vitamin B1
✅ Top Food Sources:
Food Type
Whole grains Brown rice, oats, whole wheat bread
Legumes Lentils, black beans, navy beans
Nuts & seeds Sunflower seeds, flax, peanuts
Pork One of the richest sources
Liver Nutrient-dense
Fortified foods Breakfast cereals, plant milks
Green peas, asparagus Plant-based boosts
💊 Supplements:
Found in B-complex vitamins or as standalone thiamine
Available as thiamine hydrochloride or benfotiamine (a fat-soluble form with better absorption for some people)
Commonly used for:
Stress recovery
Alcohol recovery programs
Nerve support in diabetics
🛑 Can You Get Too Much?
Very rare with thiamine—excess is excreted in urine
No known toxicity from food or normal supplements
🧠 Final Thoughts
Vitamin B1 is like the spark plug of your metabolism—it turns food into fuel and keeps your nerves and mind firing properly.
To keep levels steady:
Eat a variety of whole plant foods
Limit excessive alcohol
Consider a B-complex supplement during high-stress times