Our modern diets could cause further nutritional deficiencies. I doubt that many people in the West eat fish regularly or supplement with algae oil due to the conveniences of processed food. Same with iodine.
Wheat germs have the highest concentrations in vitamin B1, but whole grains in general (rolled oats etc.) are good so you should probably cut the processed food out as much as possible.
Our modern diets could cause further nutritional deficiencies. I doubt that many people in the West eat fish regularly or supplement with algae oil due to the conveniences of processed food. Same with iodine. Wheat germs have the highest concentrations in vitamin B1, but whole grains in general (rolled oats etc.) are good so you should probably cut the processed food out as much as possible.