Vitamin B1 (Thiamine)
Water-Soluble
Helps convert food into energy and supports nerve function.
Key Benefits
- Energy Metabolism
- Nerve Function
- Muscle Contraction
- Heart Function
- Brain Health
Food Sources
Whole Grains
Fortified Cereals
Pork
Fish
Beans
Lentils
Recommended Daily Intake (RDA)
1.1-1.2 mg/day (adults)
Adult guideline — your needs may differ. Ask a clinician for personal advice.
Deficiency Symptoms
Fatigue, nerve problems, muscle weakness (beriberi)
See a healthcare professional if you have concerns.
Toxicity & Safety
Rare (water-soluble, excess usually excreted)
Follow label directions; avoid high-dose supplements without medical advice.