Gallbladder disease is common in the United States and can occur regardless of diet. The gallbladder, a smal,l sac-like organ under the liver, stores bile and aids in the digestion of fats. Foods rich in soy and whey protein may affect the health or function of the gallbladder.

Protein is essential during pregnancy to support the development of fetal cell growth, brain development and blood production.

Isopure manufactures a line of high-protein whey powdered supplements marketed to body builders or those trying to loose weight and gain muscle mass. Isopure manufactures five powdered protein supplements, each formulated to meet specific needs of consumers ranging from low-carb to high endurance formulas.

As a nonessential amino acid, beta-alanine -- commonly known simply as alanine -- doesn't need to be part of your regular diet, as your body can synthesize it from pyrimidine compounds. However, scientific research, including a study published in June 2010 in "Medicine and Science in Sports and Exercise,"

Protein powder should not cause headaches. If you experience headaches every time you ingest protein powder, you may have an allergy to whey protein. Whey protein is the most commonly used protein in most protein powder drinks.

Your body requires protein for survival. Adult women need about 46 grams of protein each day and men should aim for 56 grams, according to the Centers for Disease Control and Prevention. However, eating too much protein can cause weight gain, dehydration and calcium loss, according to the American Council on Exercise.

Hunger is every dieter's worst nightmare. When your calories are lower, it can sometimes seem like you have a never-ending appetite, which many foods just can't suppress. One thing that may help, however, is a protein shake.

Protein is an important part of any healthy diet. If you are on a low carb diet, a larger percentage of your calories should be coming from protein sources than if you are following a low fat diet.

Bodybuilders and people trying to add muscle mass sometimes include canned tuna as a staple of their diets. This inexpensive protein source is a convenient way to increase the protein in meals and snacks, but it isn't a muscle-building miracle food and shouldn't be your only protein source.

Tissue growth and maintenance begin in the womb and continue throughout your life, and nearly 2 trillion new cells are born in your body each day, according to the School of Life Sciences at Arizona State University.

Protein from various sources has become a key ingredient in both meal-replacement products promising fat loss and dietary supplements designed to aid in muscle gains. The prevalence of these products has uncovered many side effects.

Most women get enough protein without turning to supplements, but a credible body of scientific research does support benefits of supplementing with protein powder.