NEED OF POTASSIUM IN ONE'S DIET ...

Potassium is needed in  your diet because it's a component for balancing the pH of your body and for keeping fluids in balance.
Potassium is a very important mineral to the human body. It has various roles in metabolism and body functions.
Eating foods high in potassium will change your physical and mental energy in just hours. Potassium is easily found in all plant foods.
Eat plenty of vegetables and fruits. Especially potassium rich foods are orange, watermelon, banana, plantains, apricots, dates, figs, raisins, tomatoes, nuts, milk, whole grains, potato, green leafy vegetables. Potassium is one of the most important elements in our diets. 
It is important for normal blood pressure regulation. Potassium is also needed for muscle growth, and for normal nervous system and brain function.
Foods With Large Amounts of Potassium: are raisins,prunes, apricots, dates, strawberries, bananas, watermelon, cantaloupe, citrus fruits, beets, greens spinach, tomatoes, mushrooms, soy products, peas, beans, turkey, fish, beef, salmon and cod.
A deficiency in potassium causes fatigue, irritability, and hypertension.
List of fruits high in potassium. Are : Dried Apricots, Prunes (Dried Plums), Dried  Currants and Raisins, Dates, Dried Figs, Dried Coconut, Avocados, Bananas, Nectarines and Peaches and Oranges.
List of vegetables high in potassium Are : Sun-Dried Tomatoes, Spinach (Raw), Mushrooms, Sweet Potato (With Skin), Brussels Sprouts, Zucchini With Skin, Green (Snap) Beans and Asparagus.
Potassium is important to your health because
it keeps fluids and minerals balanced in your body. Potassium may also help lower blood pressure and decrease your risk of having a stroke. 
Without enough potassium in your body, you may feel weak and your bowels may stop working. Your heart may beat very fast, or the beat may not be regular.
Potassium is involved in the storage of carbohydrates for use by muscles as fuel.
FEW GOOD SOURCES OF POTASSIUM ...
Excellent sources of potassium include chard,  mushrooms, and spinach.
Very good sources of potassium include fennel, kale, mustard greens, Brussel sprouts, broccoli, winter squash, blackstrap molasses, eggplant, cantaloupe, and tomatoes.
Good sources of potassium include parsley, cucumber, bell pepper, turmeric, apricots, ginger root, strawberries, avocado, banana, tuna, halibut, cauliflower and cabbage.

Eating foods high in potassium will change your physical and mental energy in just hours. Potassium is easily found in all plant foods.

Eat plenty of vegetables and fruits. Especially potassium rich foods are orange, watermelon, banana, plantains, apricots, dates, figs, raisins, tomatoes, nuts, milk, whole grains, potato, green leafy vegetables. Potassium is one of the most important elements in our diets.
It is important for normal blood pressure regulation. Potassium is also needed for muscle growth, and for normal nervous system and brain function.