Which of the following is not a primary source of thiamine?

A) dried yeast
B) leafy vegetables
C) nuts
D) potatoes

Thiamine

A vitamin belonging to the B complex (Vitamin B1), essential for glucose metabolism and plays a key role in nerve, muscle, and heart function.

Primary Source

Original documents, materials, or evidence used in research, providing direct or firsthand testimony or insight into a topic.

Leafy Vegetables

Vegetables that consist mostly of leaves, such as spinach, kale, and lettuce, known for their nutritional value, including vitamins, minerals, and fiber.