Creatine is an acid produced within your body, while whey protein is a protein that supplies amino acids for your body to use as needed. Both are helpful for recovering from workouts, and both provide noticeable benefits.

Protein shakes are a convenient pre- or post-workout meal. Most homemade versions combine fruit, milk and protein powder to create an on-the-go dose of protein and carbohydrates. Adding oatmeal to your shake increases the fiber content and makes the shake more filling.

Whether you're trying to gain weight in the form of muscle mass or just looking to add a few pounds for general health reasons, taking in adequate calories can sometimes be tricky. If you find eating enough food a challenge, one way you can make things easier is to supplement your diet with protein bars.

Every cell in your body consists of protein, so it’s not hard to see its importance.

Since eating on the go has become fairly routine, many nutrition bars have hit the market. They offer a convenient, quick little "meal" in a neatly wrapped package. Though not the same as a well-balanced meal or snack, they are better than fast food, vending machine snacks or not eating at all. According to Dr.

Casein is a type of protein found in milk and milk products. In people with milk allergies, casein may be the culprit. The protein sometimes shows up in unsuspected products, so awareness is essential if your doctor has advised you to avoid it.

Protein powder is a dietary supplement for people who are trying to gain muscle through strength-training programs, and it can also be used in weight-loss shakes.

Preventing nausea from protein shakes may require some detective work to learn what's triggering your queasiness. Cutting calories excessively, pregnancy, food poisoning, lactose intolerance, food allergies, exercise and certain medical conditions, medications or medical treatments can cause nausea.

Whey protein is one of the best types of proteins you can consume for muscle building because it contains essential and branched-chain amino acids.

When you hit the pavement -- or the treadmill, if you prefer running indoors -- you want to give your muscles and tendons all the fuel they need to maximize your running performance.

Protein helps to both rev up your metabolism and form gorgeous lean muscle, which means that getting enough of this powerhouse nutrient is essential for feeling and looking your best. Here's how to get more of it throughout the day.

Whether you're trying to build lean muscle or just need a filling, on-the-go breakfast, it seems like everyone from fitness pros to soccer moms are scooping protein powders into their smoothies, shakes, and morning coffee.