Vitamin B1, also known as Thiamine, is essential for energy metabolism, nerve function, and muscle health. A deficiency in B1 can lead to conditions like beriberi and Wernicke-Korsakoff syndrome.
Top 15 Animal-Based Sources of Vitamin B1
Animal Product |
Vitamin B1 (mg per 100g) |
Pork (Lean, Cooked) |
0.87 mg |
Beef (Cooked) |
0.07 mg |
Chicken (Cooked, Dark Meat) |
0.11 mg |
Turkey (Cooked) |
0.12 mg |
Tuna (Cooked) |
0.13 mg |
Eggs |
0.02 mg |
Milk (Whole) |
0.04 mg |
Cheddar Cheese |
0.03 mg |
Trout (Cooked) |
0.45 mg |
Salmon |
0.21 mg |
Liver (Beef, Cooked) |
0.31 mg |
Mussels (Cooked) |
0.15 mg |
Lamb (Cooked) |
0.10 mg |
Yogurt (Plain, Whole Milk) |
0.05 mg |
Sardines (Canned in Oil) |
0.08 mg |
Top 15 Plant-Based Sources of Vitamin B1
Plant Source |
Vitamin B1 (mg per 100g) |
Sunflower Seeds |
1.48 mg |
Flaxseeds |
1.64 mg |
Macadamia Nuts |
1.20 mg |
Lentils (Cooked) |
0.17 mg |
Black Beans (Cooked) |
0.21 mg |
Brown Rice (Cooked) |
0.15 mg |
Green Peas (Cooked) |
0.28 mg |
Oats (Cooked) |
0.14 mg |
Asparagus (Cooked) |
0.15 mg |
Brussels Sprouts |
0.09 mg |
Spinach (Cooked) |
0.10 mg |
Potatoes (Baked with Skin) |
0.11 mg |
Acorn Squash (Cooked) |
0.17 mg |
Sweet Corn (Cooked) |
0.16 mg |
Oranges (Fresh) |
0.09 mg |
Whole Grains and Fortified Foods
Food |
Vitamin B1 (mg per 100g) |
Whole Wheat Bread |
0.50 mg |
Brown Rice (Cooked) |
0.15 mg |
Fortified Cereals |
1.2 – 1.5 mg |
Oatmeal (Instant, Fortified) |
0.36 mg |
Quinoa (Cooked) |
0.20 mg |
Barley (Cooked) |
0.12 mg |
Wheat Germ |
1.88 mg |
Whole Grain Pasta |
0.16 mg |
Nuts, Seeds, and Legumes
Food |
Vitamin B1 (mg per 100g) |
Pistachios |
0.87 mg |
Peanuts (Raw) |
0.90 mg |
Cashews (Roasted) |
0.63 mg |
Chickpeas (Cooked) |
0.17 mg |
Kidney Beans (Cooked) |
0.15 mg |
Pumpkin Seeds |
0.27 mg |
Almonds |
0.21 mg |
Hazelnuts |
0.43 mg |
Fruits High in Vitamin B1
Fruit |
Vitamin B1 (mg per 100g) |
Mango |
0.03 mg |
Pineapple |
0.08 mg |
Grapes |
0.07 mg |
Avocado |
0.07 mg |
Blueberries |
0.05 mg |
Bananas |
0.04 mg |
Recommended Daily Intake (RDI)
- Men (19+ years): 1.2 mg/day
- Women (19+ years): 1.1 mg/day
- Pregnant Women: 1.4 mg/day
- Children (1-8 years): 0.5 – 0.6 mg/day
Health Benefits of Vitamin B1
- Energy Production – Helps convert carbohydrates into energy.
- Nerve Function – Essential for proper nerve and muscle function.
- Heart Health – Supports healthy cardiovascular function.
- Brain Function – Promotes mental clarity and prevents memory loss.
Tips for Maximizing Vitamin B1 Intake
- Avoid Overcooking – Vitamin B1 is water-soluble and sensitive to heat. Light steaming is best.
- Include Fortified Grains – Opt for cereals, bread, and pasta enriched with thiamine.
- Eat Whole Foods – Whole grains, nuts, and seeds retain more thiamine than refined products.
- Diversify Protein Sources – Include both plant-based and animal-based proteins for a well-rounded intake.
Did You Know?
- Pork is one of the richest sources of Vitamin B1!
- Alcohol consumption can deplete Vitamin B1, increasing the risk of deficiency.
- Whole grains provide significantly higher B1 levels than processed grains.