VitaminDeck is a vitamin and supplement retailer in Pakistan that collaborates with a wide variety of foreign and domestic businesses. They have been importing goods from a variety of countries for the past ten years. Now Foods Vitamin B1 Tablets In Pakistan and Thiamin, a B-Vitamin, is found in cereal grains, beans, nuts, eggs, and meats. Thiamin helps nerve and muscle function. Now foods vitamin B1 can also be used as the source of Thiamin.