Can protein shakes give you diarrhea?
While protein shakes give you a boost of protein, they aren't for everyone. Some people who drink these beverages experience side effects, such as gas, bloating and diarrhea, because of ingredients commonly found in the shakes. These include protein, milk-based ingredients, sugar alcohols and fiber.
Lots of Gas and Loose Stools When Taking Whey Protein. For some people trying to either lose weight or gain muscle, however, whey protein may cause gastrointestinal discomfort. Check with your doctor before using any dietary supplement or if you experience discomfort when using a supplement.
- The restriction of carbohydrates on high-protein diets also reduces the amount of fiber you get in your diet. Limited fiber intake can cause constipation, not to mention the dehydration caused by ketosis and limited carbs. Insoluble fiber found in fruits, veggies and whole cereal grains can prevent constipation.
- Risks of eating too much protein
- Weight gain. High-protein diets may promise weight loss, but it may only be short term.
- Bad breath.
- Kidney damage.
- Increased cancer risk.
- Heart disease.
- A number of studies suggest that replacing high-fat meats with more heart-healthy proteins like fish, beans, poultry, nuts, and low-fat dairy might help prevent heart disease. The nutrients in these forms of protein can help lower cholesterol and blood pressure and help you maintain a healthy weight.
Whey is a milk-based protein that contains all essential amino acids and is easy and quick to digest. It has a lot of pros, but taking too much can be a concern. In large doses, whey protein can cause upset stomach and related symptoms such as bloating, cramps and more frequent bowel movements.
- Protein farts—what we like to call gas that's produced from eating a lot of protein. And they can be more pungent when you're pushing the whey protein shakes. Check to see if your protein powder is either concentrate or isolate. Concentrate contains more lactose than isolate.
- Benefits for Weight Gain. Whey protein, consumed as part of a weight gain diet, can also help you pack on pounds. That means taking a whey shake after a tough strength workout provides nutrients you need to support muscle growth so you can add lean mass to your frame.
- Protein Allergy/Intolerance. While casein protein has been implicated in more cases of milk protein problems than whey, both milk proteins can cause similar issues. This is due to the fact that in some individuals, casein and whey can cause an excessive inflammatory immune response. This leads to mucous production.
Some people have problems digesting whey protein and experience symptoms such as bloating, gas, stomach cramps and diarrhea (5). But most of these side effects are related to lactose intolerance. If you are lactose intolerant, try switching to a whey protein isolate powder.
- A new study shows whey protein may play a role in prostate cancer prevention. Whey is a liquid byproduct of the cheese production process and is rich in protein. Researchers found that when they treated human prostate cells in the lab with whey protein, the levels of an antioxidant called glutathione rose dramatically.
- Part 3 Using Whey Protein to Build Muscle
- Eat a whey protein breakfast. Add 1 scoop of whey protein powder to your breakfast cereal, preferably oatmeal.
- Eat protein before your workout.
- Eat protein after your workout.
- Mix whey protein into your last meal of the day.
- It May Cause Digestive Issues. Most of whey protein's side effects are related to digestion. Some people have problems digesting whey protein and experience symptoms such as bloating, gas, stomach cramps and diarrhea (5). If you are lactose intolerant, try switching to a whey protein isolate powder.
Updated: 12th November 2019