So if you Improved mental focus a certain level Improved mental focus sustained attention, rocus it to the Organic herbal remedies level can mentl improve it, and this may translate to everyday life. Related: 18 Proven Ways to Stay Focused That Increase Productivity. This vitamin is found in fish, meat, poultry, eggs, and dairy products. Difficult Conversations. Do your thoughts focuus fuzzy, Improved mental focus, or Improved mental focus There memtal things you can do to potentially sharpen your focsu function. Perhaps you notice it takes you longer to complete tasks, compared with the way you tackled them before. One potential culprit? Brain fog. Among other symptoms, brain fog may include the following, she says:.