What Causes High Vitamin B1 Levels?

What Causes High Vitamin B1 Levels? The needs for vitamin B1 increase during pregnancy, breast feeding, strenuous activity, growth spurts and during a fever. – Consuming African silkworms or ferns (These foods contain an enzyme called thiaminase that destroys thiamine.) – Consuming raw, fresh-water fish or raw shellfish (These foods contain thiaminase.) What happens if