We aimed to understand how different types of milk affect bloating, particularly focusing on A2 milk versus regular A1/A2 milk. In this study, we conducted a randomized, double-blind, cross-over trial with 40 participants who reported experiencing gastrointestinal discomfort after consuming milk.
Over two weeks, each participant consumed either A2 milk or A1/A2 milk, separated by a two-week washout period. Using various assessments like symptom rating scales and digestive symptom questionnaires, we examined the effects on bloating and other gastrointestinal symptoms.
Our findings revealed that A2 milk did increase reports of bloating and loose stools compared to the A1/A2 type. However, participants also indicated experiencing less abdominal pain and urgency when consuming A2 milk. Interestingly, fecal calprotectin levels were less elevated after consuming A2 milk, particularly in males, suggesting that A2 milk may help alleviate some digestive discomfort.
Overall, while A2 milk was associated with less abdominal pain and urgency, some individuals did experience increased bloating. Despite this, the study didn't report any significant adverse effects, suggesting that A2 milk could be a viable option for those with mild digestive issues related to milk consumption.
Read More
8
Protein and toddler digestive comfort
Effect of A1 protein-free formula versus conventional formula on acute respiratory infections and diarrhea in toddlers: An RCT.
In our analysis of how toddler nutrition affects digestive comfort, we evaluated the impact of A1 protein-free (A1PF) formula compared to conventional formulas. This study involved 200 toddlers aged 2-3 years over a 90-day period.
Participants were randomly assigned to consume either A1PF or a conventional formula. While the results showed no significant difference in the overall incidence of acute respiratory infections (ARIs) or diarrhea between the two groups, noteworthy observations were made regarding digestive symptoms.
We found that toddlers consuming A1PF experienced significantly less severe bloating and gassiness, as well as fewer episodes of regurgitation. The formula also proved well tolerated, with no serious side effects reported.
Although the study indicates that A1PF might improve certain aspects of digestive comfort, further research is needed to clarify whether these improvements are specifically due to the protein-free formulation or other differences in the nutritional content of the formulas.
Read More
7
GMP improves bloating symptoms in PKU
The effects of casein glycomacropeptide on general health status in children with PKU: A randomized crossover trial.
We conducted a study to explore the effects of casein glycomacropeptide (GMP) as a protein substitute on bloating and general gastrointestinal (GI) health in children with phenylketonuria (PKU).
The research involved twelve young participants who were given either GMP or a traditional phenylalanine-free amino acids (AA) substitute for 12 weeks, with a four-week washout period in between. We observed that children consuming GMP reported statistically significant improvements in several GI symptoms related to bloating, including stomach pain, heartburn, and wind.
There was also a trend suggesting GMP might help reduce constipation and discomfort during meals, though some of these findings were near statistical significance rather than definitive. Despite these improvements in symptoms like bloating, there weren't any substantial differences in stool health markers or measures related to renal function and inflammation.
Importantly, we noted that blood levels of phenylalanine were higher when GMP was the protein source, which could be a challenge, particularly for children with PKU who have strict dietary restrictions. This means that while GMP might ease some bloating symptoms, its effect on phenylalanine levels may complicate its use as a sole protein source.
Read More
Most Useful Reviews
9
No stomach issues
2 people found this helpful
I’m thrilled I tried this. While following the Trim Healthy Mama plan, I discovered this whey concentrate, which has not caused me any stomach discomfort or bloating, unlike previous products. My mother can consume it without any problems as well, and we’re both happy with the results!
Read More
9
Well tolerated protein
1 people found this helpful
For vegans👍 I have pancreatitis, so I choose my protein with care. I previously tried California Gold, which caused gases and bloating. A friend recommended vegetable proteins, and I ordered this one—it has worked wonderfully. It is well tolerated with no side effects👍 I highly recommend it.
Read More
9
No bloating issues
1 people found this helpful
I just started using this last night and noticed a significant boost in my energy. I didn't have any issues with bloating, which had been a major problem for me before. This product has been gentle on my stomach. I plan to switch to Whey Protein Isolate in the future, but so far, this has been a fine product for me.
In our analysis of how toddler nutrition affects digestive comfort, we evaluated the impact of A1 protein-free (A1PF) formula compared to conventional formulas. This study involved 200 toddlers aged 2-3 years over a 90-day period.
Participants were randomly assigned to consume either A1PF or a conventional formula. While the results showed no significant difference in the overall incidence of acute respiratory infections (ARIs) or diarrhea between the two groups, noteworthy observations were made regarding digestive symptoms.
We found that toddlers consuming A1PF experienced significantly less severe bloating and gassiness, as well as fewer episodes of regurgitation. The formula also proved well tolerated, with no serious side effects reported.
Although the study indicates that A1PF might improve certain aspects of digestive comfort, further research is needed to clarify whether these improvements are specifically due to the protein-free formulation or other differences in the nutritional content of the formulas.
Read More
7
GMP improves bloating symptoms in PKU
The effects of casein glycomacropeptide on general health status in children with PKU: A randomized crossover trial.
We conducted a study to explore the effects of casein glycomacropeptide (GMP) as a protein substitute on bloating and general gastrointestinal (GI) health in children with phenylketonuria (PKU).
The research involved twelve young participants who were given either GMP or a traditional phenylalanine-free amino acids (AA) substitute for 12 weeks, with a four-week washout period in between. We observed that children consuming GMP reported statistically significant improvements in several GI symptoms related to bloating, including stomach pain, heartburn, and wind.
There was also a trend suggesting GMP might help reduce constipation and discomfort during meals, though some of these findings were near statistical significance rather than definitive. Despite these improvements in symptoms like bloating, there weren't any substantial differences in stool health markers or measures related to renal function and inflammation.
Importantly, we noted that blood levels of phenylalanine were higher when GMP was the protein source, which could be a challenge, particularly for children with PKU who have strict dietary restrictions. This means that while GMP might ease some bloating symptoms, its effect on phenylalanine levels may complicate its use as a sole protein source.
Read More
7
A2 milk's mixed impact on bloating
The Effect of A2 Milk on Gastrointestinal Symptoms in Comparison to A1/A2 Milk: A Single-center, Randomized, Double-blind, Cross-over Study.
We aimed to understand how different types of milk affect bloating, particularly focusing on A2 milk versus regular A1/A2 milk. In this study, we conducted a randomized, double-blind, cross-over trial with 40 participants who reported experiencing gastrointestinal discomfort after consuming milk.
Over two weeks, each participant consumed either A2 milk or A1/A2 milk, separated by a two-week washout period. Using various assessments like symptom rating scales and digestive symptom questionnaires, we examined the effects on bloating and other gastrointestinal symptoms.
Our findings revealed that A2 milk did increase reports of bloating and loose stools compared to the A1/A2 type. However, participants also indicated experiencing less abdominal pain and urgency when consuming A2 milk. Interestingly, fecal calprotectin levels were less elevated after consuming A2 milk, particularly in males, suggesting that A2 milk may help alleviate some digestive discomfort.
Overall, while A2 milk was associated with less abdominal pain and urgency, some individuals did experience increased bloating. Despite this, the study didn't report any significant adverse effects, suggesting that A2 milk could be a viable option for those with mild digestive issues related to milk consumption.
Read More
User Reviews
USERS' SCORE
Good
Based on 7 Reviews
8
All Reviews
Positive Reviews
Negative Reviews
9
No stomach issues
2 people found this helpful
I’m thrilled I tried this. While following the Trim Healthy Mama plan, I discovered this whey concentrate, which has not caused me any stomach discomfort or bloating, unlike previous products. My mother can consume it without any problems as well, and we’re both happy with the results!
Read More
9
Well tolerated protein
1 people found this helpful
For vegans👍 I have pancreatitis, so I choose my protein with care. I previously tried California Gold, which caused gases and bloating. A friend recommended vegetable proteins, and I ordered this one—it has worked wonderfully. It is well tolerated with no side effects👍 I highly recommend it.
Read More
9
No bloating issues
1 people found this helpful
I just started using this last night and noticed a significant boost in my energy. I didn't have any issues with bloating, which had been a major problem for me before. This product has been gentle on my stomach. I plan to switch to Whey Protein Isolate in the future, but so far, this has been a fine product for me.
Read More
0
Upset stomach
1 people found this helpful
I was excited to try this protein powder, but it has left me with an upset stomach and bloating. I've used various brands successfully in the past, so I was surprised by the reaction. While it mixes well, unfortunately, I’ll have to avoid this product in the future.
Read More
9
No bloating experienced
Excellent! A good alternative for sports nutrition, without bloating or skin rashes.
Bloating is a common gastrointestinal condition characterized by a sensation of fullness, tightness, or swelling in the abdomen. It often occurs after eating and can be accompanied by visible distension of the belly. This discomfort may be caused by various factors, including excessive gas production, food intolerances, overeating, or certain medical conditions affecting the digestive system. Many people experience bloating occasionally, but when it becomes chronic, it can significantly impact one's quality of life.
Managing bloating typically involves dietary adjustments, such as identifying and avoiding trigger foods, eating smaller meals, and incorporating more fiber into your diet. Staying hydrated and engaging in regular physical activity can also help alleviate symptoms. If bloating is persistent or accompanied by other troubling symptoms like severe pain or changes in bowel habits, it is advisable to consult a healthcare professional for proper evaluation and guidance.
Whey Protein Concentrate (WPC) is a high-quality protein derived from milk during the cheese-making process. It contains a significant amount of protein, typically around 70-80% by weight, along with fats and carbohydrates, making it a versatile supplement for fitness enthusiasts and individuals looking to boost their protein intake. WPC is known for its rich amino acid profile, which includes all essential amino acids necessary for muscle recovery and growth, making it an excellent choice for athletes and anyone engaged in regular physical activity.
In addition to its protein content, whey protein concentrate also provides beneficial nutrients like immunoglobulins and lactoferrin, which can support immune function and overall health. Because it's less processed than whey protein isolate, it retains more of the natural fats and carbohydrates found in whey, contributing to its unique flavor and creamy texture. This makes WPC a great option for shakes, smoothies, and baking, as it not only enhances protein content but also provides a delicious taste. Whether you’re looking to build muscle, aid in weight management, or simply increase your dietary protein, whey protein concentrate is a solid supplement choice.
Whey protein concentrate is a popular supplement among fitness enthusiasts for its ability to support muscle recovery and growth. However, when it comes to bloating, the answer can vary from person to person. Some individuals may experience bloating after consuming whey protein, especially if they have lactose intolerance, as whey protein concentrate contains some level of lactose. For those who are lactose intolerant, digestion can lead to gas and bloating, making it essential to consider the protein type that best suits one’s body chemistry.
On the other hand, some people report that incorporating whey protein into their diet helps their digestive processes over time, especially when consumed in moderation and combined with a balanced diet. If you’re prone to bloating, opting for whey protein isolate—which has lower lactose content—or experimenting with different types of protein powders, such as plant-based options, may be beneficial. Ultimately, it’s essential to listen to your body and consult with a healthcare professional if bloating persists or causes significant discomfort after consuming whey protein.
Based on user reviews, many individuals report experiencing positive results in bloating relief relatively quickly after incorporating this supplement into their routine. For instance, one user noted that after switching to this vegetable protein, they found it worked wonderfully without any adverse effects, suggesting a rapid improvement in tolerance and a decrease in bloating symptoms Read Review. Another user highlighted that there was no bloating when they added this supplement to a cocktail, implying that results can be noticeable right after consumption Read Review.
Overall, those who have switched to this supplement from other protein sources often mention a marked decrease in bloating relatively soon after starting it. A user specifically stated that it was good for people suffering from bloating after typical protein supplements, indicating that many might notice an improvement soon after they begin using it Read Review. While individual experiences can vary, many users seem to find relief quickly.
The research surrounding specific supplements for bloating indicates varying outcomes based on the type of product and individual responses. For instance, a study on an A1 protein-free (A1PF) formula revealed that toddlers consuming A1PF experienced significantly less severe bloating and gassiness compared to those on conventional formulas, pointing to a potential benefit of this specific formulation in enhancing digestive comfort [1]. Additionally, another study focusing on casein glycomacropeptide (GMP) as a protein substitute showed that it led to statistically significant improvements in gastrointestinal symptoms related to bloating among children with phenylketonuria (PKU), including stomach pain and discomfort [2].
On the other hand, the impact of A2 milk, as analyzed in a recent trial, indicated that while it may alleviate some digestive issues such as abdominal pain, it was associated with increased reports of bloating compared to A1/A2 milk [3]. In conclusion, while certain supplements like A1PF and GMP may show promise in alleviating bloating symptoms for specific populations, A2 milk may not be beneficial for everyone and could even worsen bloating in some individuals. Ultimately, more research is needed to fully understand the mechanisms at play and to establish clearer guidelines on the efficacy of these supplements for bloating relief.
Based on user reviews, several individuals have reported significant improvements in their symptoms after switching to this vegetable protein. Many users specifically highlight a noticeable reduction in bloating, with one reviewer mentioning that they experienced no side effects and excellent tolerance after previously suffering from gas and bloating with other proteins Read Review. Another user praised it as a suitable alternative for sports nutrition, again noting the absence of bloating or skin rashes, which further emphasizes the positive outcomes associated with this product Read Review.
Additionally, users have shared their pleasant experiences when incorporating this protein into various settings, such as cocktails, where no bloating was reported Read Review. Others have specifically pointed out that this supplement is effective for those struggling with bloating from other protein sources, indicating a satisfactory experience after exercise Read Review. While individual results can vary, these anecdotal experiences suggest a trend towards symptom relief for many users.
Based on user reviews, individuals have reported positive experiences when combining this supplement with other products, particularly in terms of addressing bloating. One user stated that after making the switch from California Gold protein to this vegetable protein, they experienced no side effects or bloating, reinforcing the notion that this supplement could be a better alternative for those who have previously struggled with gas and discomfort after consuming other protein sources Read Review. Another reviewer mentioned successfully incorporating it into a strawberry-flavored cocktail without any bloating, suggesting that it can be easily mixed with other dietary options while maintaining efficacy Read Review.
Moreover, users like one who highlighted their experience using this supplement post-exercise reported satisfactory results without the common issue of bloating, which can often accompany protein supplementation Read Review. Collectively, these anecdotal accounts suggest that not only does this supplement work well on its own, but it can also be effective when integrated into various diets or combined with other products, further enhancing users' comfort and satisfaction.
Based on user reviews, there seems to be a consensus that specific formulations of whey protein concentrate can help manage and even alleviate bloating. For instance, one user indicated they experienced no bloating after transitioning from another brand to a vegetable protein, which suggests it is more about individual body tolerance than a specific dosage amount Read Review. Another review noted that integrating whey protein into a strawberry-flavored cocktail resulted in none of the uncomfortable side effects often associated with protein supplements Read Review.
Regarding dosage, a user reported satisfactory results from consuming one scoop post-exercise, indicating that starting with this amount could be beneficial for those sensitive to bloating Read Review. Therefore, while exact doses may vary among individuals, it appears that one scoop might be an effective starting point that minimizes bloating, alongside ensuring the right type of protein for one's digestion.
9
Well tolerated protein
1 people found this helpful
For vegans👍 I have pancreatitis, so I choose my protein with care. I previously tried California Gold, which caused gases and bloating. A friend recommended vegetable proteins, and I ordered this one—it has worked wonderfully. It is well tolerated with no side effects👍 I highly recommend it.
9
No bloating noted
I added it to a strawberry-flavoured cocktail. It blended well, and there was no bloating.
6
Relieves bloating
This is good for those suffering from bloating after protein supplements. It's slightly light. I take one scoop post-exercise, and the results are satisfactory.
9
No bloating experienced
Excellent! A good alternative for sports nutrition, without bloating or skin rashes.
8
Protein and toddler digestive comfort
Effect of A1 protein-free formula versus conventional formula on acute respiratory infections and diarrhea in toddlers: An RCT.
In our analysis of how toddler nutrition affects digestive comfort, we evaluated the impact of A1 protein-free (A1PF) formula compared to conventional formulas. This study involved 200 toddlers aged 2-3 years over a 90-day period.
Participants were randomly assigned to consume either A1PF or a conventional formula. While the results showed no significant difference in the overall incidence of acute respiratory infections (ARIs) or diarrhea between the two groups, noteworthy observations were made regarding digestive symptoms.
We found that toddlers consuming A1PF experienced significantly less severe bloating and gassiness, as well as fewer episodes of regurgitation. The formula also proved well tolerated, with no serious side effects reported.
Although the study indicates that A1PF might improve certain aspects of digestive comfort, further research is needed to clarify whether these improvements are specifically due to the protein-free formulation or other differences in the nutritional content of the formulas.
7
GMP improves bloating symptoms in PKU
The effects of casein glycomacropeptide on general health status in children with PKU: A randomized crossover trial.
We conducted a study to explore the effects of casein glycomacropeptide (GMP) as a protein substitute on bloating and general gastrointestinal (GI) health in children with phenylketonuria (PKU).
The research involved twelve young participants who were given either GMP or a traditional phenylalanine-free amino acids (AA) substitute for 12 weeks, with a four-week washout period in between. We observed that children consuming GMP reported statistically significant improvements in several GI symptoms related to bloating, including stomach pain, heartburn, and wind.
There was also a trend suggesting GMP might help reduce constipation and discomfort during meals, though some of these findings were near statistical significance rather than definitive. Despite these improvements in symptoms like bloating, there weren't any substantial differences in stool health markers or measures related to renal function and inflammation.
Importantly, we noted that blood levels of phenylalanine were higher when GMP was the protein source, which could be a challenge, particularly for children with PKU who have strict dietary restrictions. This means that while GMP might ease some bloating symptoms, its effect on phenylalanine levels may complicate its use as a sole protein source.
7
A2 milk's mixed impact on bloating
The Effect of A2 Milk on Gastrointestinal Symptoms in Comparison to A1/A2 Milk: A Single-center, Randomized, Double-blind, Cross-over Study.
We aimed to understand how different types of milk affect bloating, particularly focusing on A2 milk versus regular A1/A2 milk. In this study, we conducted a randomized, double-blind, cross-over trial with 40 participants who reported experiencing gastrointestinal discomfort after consuming milk.
Over two weeks, each participant consumed either A2 milk or A1/A2 milk, separated by a two-week washout period. Using various assessments like symptom rating scales and digestive symptom questionnaires, we examined the effects on bloating and other gastrointestinal symptoms.
Our findings revealed that A2 milk did increase reports of bloating and loose stools compared to the A1/A2 type. However, participants also indicated experiencing less abdominal pain and urgency when consuming A2 milk. Interestingly, fecal calprotectin levels were less elevated after consuming A2 milk, particularly in males, suggesting that A2 milk may help alleviate some digestive discomfort.
Overall, while A2 milk was associated with less abdominal pain and urgency, some individuals did experience increased bloating. Despite this, the study didn't report any significant adverse effects, suggesting that A2 milk could be a viable option for those with mild digestive issues related to milk consumption.
References
Yu W, Wang W, Sheng X. Effect of A1 protein-free formula versus conventional formula on acute respiratory infections and diarrhea in toddlers: An RCT. J Pediatr Gastroenterol Nutr. 2025. doi:10.1002/jpn3.12473
Pinto A, Daly A, Newby C, Robotham A, Heales S, et al. The effects of casein glycomacropeptide on general health status in children with PKU: A randomized crossover trial. Mol Genet Metab. 2024;143:108607. doi:10.1016/j.ymgme.2024.108607
Choi Y, Kim N, Song CH, Kim S, Lee DH. The Effect of A2 Milk on Gastrointestinal Symptoms in Comparison to A1/A2 Milk: A Single-center, Randomized, Double-blind, Cross-over Study. J Cancer Prev. 2024;29:45. doi:10.15430/JCP.24.007