<prompt> For every 100 kilocalories, vitamin B, required is -0.05 mg0.5 mg5.0 mg1.0 gm  <response>: parks textbook of preventive and social medicine 23rd edition. recommended intake of thiamine for every 1000kcal intake of energy is 0.5mg . so for 100 kcal intake of energy ,thiamine requried is 0.05 mg . 