Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7.4
USERS' SCORE
Medium or Average
Based on 26 Reviews
6
Supplement Facts
Serving Size: 1 Vegetable Capsule
Amount Per Serving
%DV
Iron (as iron bisglycinate chelate†)
25 mg
139%

Top Medical Research Studies

8
Iron treatment’s impact on bloating
We explored how iron supplementation impacts patients with celiac disease who suffer from iron deficiency anemia, particularly focusing on those unable to tolerate traditional iron sulfate. In this study, patients were divided into two groups: one receiving a new formulation called sucrosomial iron and the other taking iron sulfate.

After a 90-day follow-up, both groups showed significant improvements in hemoglobin levels and overall iron metrics. Interestingly, those taking sucrosomial iron experienced a marked reduction in abdominal symptoms like bloating and pain. They reported feeling a 33% increase in general well-being compared to 21% in the iron sulfate group.

This suggests sucrosomial iron could be a preferable option for individuals with celiac disease who struggle with gastrointestinal discomfort from standard iron treatments. Overall, while both forms of iron supplementation were effective, sucrosomial iron may ease some of the unpleasant side effects commonly associated with iron therapy.
Read More
4
Iron's role in bloating is nuanced
We observed how iron compounds play a pivotal role in the formation of lightweight aggregates (LWAs) during a thermal process. Our work involved heating reservoir sediment pellets at temperatures of 1050 and 1150 degrees Celsius, which resulted in the creation of LWAs with varying densities.

Notably, in the raw sediment, about 59% of the iron was found in the form of Fe(2+). However, most of this iron was oxidized to Fe(3+) during the process, except for the core of the LWAs produced at the higher temperature of 1150 degrees Celsius.

We found that the bloating reactions, particularly one in the core of the 1150 degrees Celsius LWA, were primarily related to the breakdown of iron sulfate (FeSO4) into iron oxide (FeO). This process released gases like SO2, SO3, and O2, but it did not alter the valence state of iron.

Interestingly, we did not observe the commonly accepted mechanism that suggests the reduction of Fe(2)O(3) to FeO triggers bloating with the release of O2. This indicates that while iron is involved in creating LWAs, it does not necessarily enhance bloating in the way traditionally thought.
Read More
We examined how the addition of iron influences the formation of expanded clay aggregates, which are lightweight materials often used in construction. During the study, we utilized iron-free kaolin, a type of clay, as our starting material, and added cork powder for organic carbon along with sodium carbonate as a flux.

Our experimental design involved a statistical approach, allowing us to optimize several important properties such as density, absorption capacity, and mechanical strength. We found that for optimal properties, the mixtures required between 25 and 40 weight percent of iron. Additionally, incorporating 3.5 to 5 weight percent of organic carbon was crucial.

Interestingly, we discovered that the addition of iron caused a much greater expansion of the aggregates—up to 53%—compared to the control samples without iron, which showed only 8% expansion. This suggests that the conditions under which iron reacts lead to different types of changes in the material.

Overall, the results were promising, particularly for iron-containing aggregates, reinforcing the idea that iron plays a significant role in enhancing bloating. Our findings encourage further exploration of these statistical methods in future research projects.
Read More

Most Useful Reviews

9.5
Elevated haemoglobin
Really soft iron! It has significantly raised my haemoglobin levels without any bloating or gastrointestinal side effects, unlike the sulphate iron I used previously. I take one capsule twice daily with lemon water. After months, my haemoglobin rose from 114 to 144 units. However, raising ferritin took longer, so I included other vitamins for better absorption. Highly recommend this product for anyone with signs of anaemia!
Read More
2.5
Digestive problems
Unfortunately, this iron was not gentle; it caused significant bloating, gas, and constipation.
Read More
0
Severe bloating
I ordered this product based on reviews, but it caused terrible bloating, which went away after I stopped using it. I can't comment on its effectiveness, as I only took it for four days.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7.4
  • All Researches
We examined how the addition of iron influences the formation of expanded clay aggregates, which are lightweight materials often used in construction. During the study, we utilized iron-free kaolin, a type of clay, as our starting material, and added cork powder for organic carbon along with sodium carbonate as a flux.

Our experimental design involved a statistical approach, allowing us to optimize several important properties such as density, absorption capacity, and mechanical strength. We found that for optimal properties, the mixtures required between 25 and 40 weight percent of iron. Additionally, incorporating 3.5 to 5 weight percent of organic carbon was crucial.

Interestingly, we discovered that the addition of iron caused a much greater expansion of the aggregates—up to 53%—compared to the control samples without iron, which showed only 8% expansion. This suggests that the conditions under which iron reacts lead to different types of changes in the material.

Overall, the results were promising, particularly for iron-containing aggregates, reinforcing the idea that iron plays a significant role in enhancing bloating. Our findings encourage further exploration of these statistical methods in future research projects.
Read More
8
Probiotics aid iron treatment tolerability
We explored how the addition of a specific probiotic, Lactobacillus plantarum 299v, influences the gastrointestinal effects experienced by patients undergoing oral iron replacement therapy for iron deficiency anemia (IDA). In our study, 295 patients were split into two groups: one received only iron treatment, while the other received iron with the probiotic.

Our findings revealed that adding the probiotic significantly reduced the rate of gastrointestinal issues, such as bloating and abdominal pain, which are common complaints when taking iron supplements. Patients in the group receiving the probiotic experienced gastrointestinal intolerance symptoms at a much lower rate—only 13% compared to 46.5% in the iron-only group.

Not only did the probiotic help with tolerability, but it also seemed to improve iron status markers. For instance, after three months, those taking the probiotic had higher serum iron and transferrin saturation levels, as well as a greater improvement in hemoglobin levels. This points to the potential benefits of probiotics in enhancing the experience of those receiving iron therapy, especially in reducing undesirable side effects like bloating and enhancing overall treatment adherence.
Read More
8
Iron treatment’s impact on bloating
We explored how iron supplementation impacts patients with celiac disease who suffer from iron deficiency anemia, particularly focusing on those unable to tolerate traditional iron sulfate. In this study, patients were divided into two groups: one receiving a new formulation called sucrosomial iron and the other taking iron sulfate.

After a 90-day follow-up, both groups showed significant improvements in hemoglobin levels and overall iron metrics. Interestingly, those taking sucrosomial iron experienced a marked reduction in abdominal symptoms like bloating and pain. They reported feeling a 33% increase in general well-being compared to 21% in the iron sulfate group.

This suggests sucrosomial iron could be a preferable option for individuals with celiac disease who struggle with gastrointestinal discomfort from standard iron treatments. Overall, while both forms of iron supplementation were effective, sucrosomial iron may ease some of the unpleasant side effects commonly associated with iron therapy.
Read More
8
Iron's unclear impact on bloating
We explored the case of a 56-year-old woman who experienced troubling symptoms like epigastric pain, watery diarrhoea, and bloating after starting medications for anxiety and depression.

Upon testing, we found that her blood showed low iron levels and signs of iron-deficiency anaemia. While her treatment included a gluten-free diet, iron supplementation, and loperamide, it's important to note that the study suggests that the combination of treatments made it hard to pinpoint the specific impact of iron on her bloating.

Despite the comprehensive approach, we cannot definitively say that iron treatment alone was effective in reducing her bloating. However, we observed that after her treatment plan, including lifestyle modifications, her symptoms resolved, and a follow-up test showed negative results for blood in her stool.

This indicates a positive response overall, but the link between iron treatment and the bloating specifically remains uncertain.
Read More
4
Iron's role in bloating is nuanced
We observed how iron compounds play a pivotal role in the formation of lightweight aggregates (LWAs) during a thermal process. Our work involved heating reservoir sediment pellets at temperatures of 1050 and 1150 degrees Celsius, which resulted in the creation of LWAs with varying densities.

Notably, in the raw sediment, about 59% of the iron was found in the form of Fe(2+). However, most of this iron was oxidized to Fe(3+) during the process, except for the core of the LWAs produced at the higher temperature of 1150 degrees Celsius.

We found that the bloating reactions, particularly one in the core of the 1150 degrees Celsius LWA, were primarily related to the breakdown of iron sulfate (FeSO4) into iron oxide (FeO). This process released gases like SO2, SO3, and O2, but it did not alter the valence state of iron.

Interestingly, we did not observe the commonly accepted mechanism that suggests the reduction of Fe(2)O(3) to FeO triggers bloating with the release of O2. This indicates that while iron is involved in creating LWAs, it does not necessarily enhance bloating in the way traditionally thought.
Read More

User Reviews

USERS' SCORE
Medium or Average
Based on 26 Reviews
6
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Elevated haemoglobin
Really soft iron! It has significantly raised my haemoglobin levels without any bloating or gastrointestinal side effects, unlike the sulphate iron I used previously. I take one capsule twice daily with lemon water. After months, my haemoglobin rose from 114 to 144 units. However, raising ferritin took longer, so I included other vitamins for better absorption. Highly recommend this product for anyone with signs of anaemia!
Read More
2.5
Digestive problems
Unfortunately, this iron was not gentle; it caused significant bloating, gas, and constipation.
Read More
0
Severe bloating
I ordered this product based on reviews, but it caused terrible bloating, which went away after I stopped using it. I can't comment on its effectiveness, as I only took it for four days.
Read More
9.5
No side effects
Excellent iron! I experienced no bloating or other side effects, unlike with pharmaceutical iron. I highly recommend this product.
Read More
9.5
Quick results
Great iron! I suffered from anaemia and tried various iron supplements but faced issues like bloating. This iron lifted my levels quickly and without any unpleasant sensations. I also ensured to maintain normal bowel movements while taking it, achieving a haemoglobin level of 125.
Read More

Frequently Asked Questions

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.

Iron is a chemical element with the symbol Fe, derived from the Latin word "ferrum." It is a metal that is known for its strength and versatility, making it one of the most widely used materials in construction, manufacturing, and various industrial applications. Iron is the fourth most abundant element in the universe by mass and is primarily obtained through the mining of iron ores, such as hematite and magnetite. Once mined, it undergoes processes like smelting and refining to produce usable forms like cast iron, wrought iron, and steel.

In addition to its industrial uses, iron is also crucial for human health, as it plays a significant role in the production of hemoglobin, the protein in red blood cells responsible for transporting oxygen throughout the body. A deficiency in iron can lead to anemia, characterized by fatigue and weakened immunity. Overall, iron is a fundamental element that supports modern infrastructure and is vital for maintaining good health.

Based on user reviews, the timeline for seeing results from iron supplements can vary significantly. Some users reported experiencing digestive discomfort, including bloating, almost immediately after starting the supplement, often within a few days (Read Review) (Read Review). Others noted that while they initially experienced bloating or discomfort, they felt improvements in their iron levels after continued use over a period of weeks to months (Read Review) (Read Review). For example, one user mentioned significant improvements over three months while maintaining proper digestive health (Read Review).

Many customers highlight the importance of individual tolerance levels, as some experienced negative effects that prevented them from deciding on the supplement's effectiveness.(Read Review) (Read Review) Thus, while a few users experienced noticeable changes within days or weeks, others suggested that it could take longer, highlighting a range of experiences among users with regard to both the positive effects and gastrointestinal side effects.

The scientific research surrounding supplements for bloating suggests that certain types of iron supplementation may indeed help alleviate gastrointestinal discomfort, which is often manifested as bloating. A study focused on the probiotic Lactobacillus plantarum 299v indicated that its addition to iron therapy significantly reduced the prevalence of gastrointestinal issues, including bloating and abdominal pain, in patients undergoing treatment for iron deficiency anemia. Those taking the probiotic experienced gastrointestinal intolerance at a considerably lower rate, which highlights the potential of probiotics to enhance tolerability and mitigate unwanted side effects associated with iron supplementation [1].

Additionally, research on a specialized iron formulation called sucrosomial iron demonstrated promising results for celiac patients who have difficulty tolerating traditional iron supplements. The findings noted a significant reduction in abdominal symptoms like bloating, alongside improvements in overall well-being and hemoglobin levels. This suggests that sucrosomial iron could be an effective alternative for individuals sensitive to the gastrointestinal effects of standard iron therapy [3]. While it's important to note that not all studies confirm the direct impact of iron on bloating, specific formulations have shown promise in improving patient comfort and overall health.

Based on user reviews, individuals have reported a range of improvements in symptoms when using this iron supplement, particularly regarding iron levels and gastrointestinal comfort. Many users experienced a notable increase in their haemoglobin and ferritin levels, with one reviewer highlighting a rise in haemoglobin from 114 to 144 after consistent use (Read Review). Others also indicated that they achieved significant increases in ferritin levels without the discomfort typically associated with other iron supplements. For instance, one user documented an increase in ferritin from 15 to 45 over three months without experiencing bloating or cramping (Read Review).

However, it's important to note that experiences can vary significantly among users. While several praised the supplement for being well-tolerated with no adverse gastrointestinal effects, some individuals reported experiencing bloating, constipation, or digestive discomfort, which led them to discontinue use (Read Review) (Read Review). Overall, while many users enjoyed positive outcomes in their iron levels and overall health, individual tolerance and responses to the supplement were highly variable.

Based on user reviews, experiences of combining this supplement with other products to address bloating are mixed. While some users found success in alleviating symptoms by pairing this iron supplement with vitamin C or other vitamins for improved absorption, others reported experiencing increased bloating as a direct result of taking it with any additional supplements. For instance, one reviewer noted that taking the iron with lemon water helped, while another user experienced severe bloating after consuming it alongside vitamin C, leading them to question potential allergies or fluid retention issues (Read Review) (Read Review).

Moreover, some users expressed dissatisfaction with the product causing gastrointestinal discomfort, including significant bloating, even when taken alone. Several reviews indicated that the iron supplement did not suit everyone, prompting some to discontinue use after experiencing bloating or other negative digestive effects (Read Review) (Read Review). Thus, while there are instances of users successfully combining this iron with other vitamins to manage symptoms, the overall user feedback suggests varying levels of tolerance and effectiveness, underscoring the need for individual experimentation with combinations of supplements.

Based on user reviews, determining the right dose of iron for treating bloating seems to yield mixed results. Users have reported that some iron supplements are well tolerated without causing bloating, while others have experienced significant gastrointestinal issues. For instance, one user noted that they take one capsule twice daily with lemon water and have had no bloating or side effects, leading to a positive increase in their hemoglobin levels (Read Review). Conversely, several reviewers mentioned that they experienced bloating, gas, and constipation, indicating that some formulations might not be suitable for everyone (Read Review) (Read Review).

In instances where users succeeded in avoiding bloating, they often emphasized the importance of gentle formulations or specific brands, which they found easier on the stomach (Read Review) (Read Review). However, others faced significant issues even at modest doses, suggesting a need for careful consideration and possibly the guidance of a healthcare provider to identify the right form and dosage for each individual's digestive tolerance (Read Review) (Read Review).

2.5
Digestive problems
Unfortunately, this iron was not gentle; it caused significant bloating, gas, and constipation.
0
Severe bloating
I ordered this product based on reviews, but it caused terrible bloating, which went away after I stopped using it. I can't comment on its effectiveness, as I only took it for four days.
9.5
Effective therapy
Wonderful iron! I'm pleased with how well it’s tolerated. There was no bloating or discomfort like with previous medications. After several months, my haemoglobin improved significantly, and I plan to continue taking it.
9.5
Energy boost
I experienced severe symptoms due to low ferritin, leading to dizziness and fatigue. Pharmaceutical iron caused bloating and constipation. After starting Solgar’s iron, I felt much better; my dizziness disappeared in three days, and I gained energy without bloating.
9.5
Gradual improvement
I drink this product to combat latent anaemia and have raised my ferritin from 15 to 45 in three months. It’s well tolerated with no cramping or bloating like other iron preparations. As a pharmacist, I advise taking it separately from tea or coffee for better absorption.
0
Diarrhoea and bloating
I took it for several days, but experienced diarrhoea, bloating, and terrible cramps. Nothing seemed to help.
9.5
Elevated haemoglobin
Really soft iron! It has significantly raised my haemoglobin levels without any bloating or gastrointestinal side effects, unlike the sulphate iron I used previously. I take one capsule twice daily with lemon water. After months, my haemoglobin rose from 114 to 144 units. However, raising ferritin took longer, so I included other vitamins for better absorption. Highly recommend this product for anyone with signs of anaemia!
1.3
Not gentle stomach
Not gentle on my stomach; I hoped to substitute this for the iron pills from my doctor. Instead, I experienced increasing bloating each day and unexpected acne on my chin, indicating digestive issues.
0
Fluid retention
Honestly, it didn't suit me. I took it after eating with vitamin C. When I woke up, my body and face were swollen, and I felt tired. I don’t know if it caused allergies or fluid retention.
0
Increased bloating
After three months of taking this, my ferritin fell from 37 to 29. I then switched to pharmacy iron, which improved my levels. With Solgar, I felt bloating and other digestive issues. Ultimately, it didn’t suit me at all; I’ve returned to my previous vitamins, which worked.
9.5
No side effects
Excellent iron! I experienced no bloating or other side effects, unlike with pharmaceutical iron. I highly recommend this product.
8
Probiotics aid iron treatment tolerability
We explored how the addition of a specific probiotic, Lactobacillus plantarum 299v, influences the gastrointestinal effects experienced by patients undergoing oral iron replacement therapy for iron deficiency anemia (IDA). In our study, 295 patients were split into two groups: one received only iron treatment, while the other received iron with the probiotic.

Our findings revealed that adding the probiotic significantly reduced the rate of gastrointestinal issues, such as bloating and abdominal pain, which are common complaints when taking iron supplements. Patients in the group receiving the probiotic experienced gastrointestinal intolerance symptoms at a much lower rate—only 13% compared to 46.5% in the iron-only group.

Not only did the probiotic help with tolerability, but it also seemed to improve iron status markers. For instance, after three months, those taking the probiotic had higher serum iron and transferrin saturation levels, as well as a greater improvement in hemoglobin levels. This points to the potential benefits of probiotics in enhancing the experience of those receiving iron therapy, especially in reducing undesirable side effects like bloating and enhancing overall treatment adherence.
8
Iron treatment’s impact on bloating
We explored how iron supplementation impacts patients with celiac disease who suffer from iron deficiency anemia, particularly focusing on those unable to tolerate traditional iron sulfate. In this study, patients were divided into two groups: one receiving a new formulation called sucrosomial iron and the other taking iron sulfate.

After a 90-day follow-up, both groups showed significant improvements in hemoglobin levels and overall iron metrics. Interestingly, those taking sucrosomial iron experienced a marked reduction in abdominal symptoms like bloating and pain. They reported feeling a 33% increase in general well-being compared to 21% in the iron sulfate group.

This suggests sucrosomial iron could be a preferable option for individuals with celiac disease who struggle with gastrointestinal discomfort from standard iron treatments. Overall, while both forms of iron supplementation were effective, sucrosomial iron may ease some of the unpleasant side effects commonly associated with iron therapy.

References

  1. Koker G, Sahinturk Y, Ozcelik Koker G, Coskuner MA, Eren Durmus M, et al. Improved gastrointestinal tolerance and iron status via probiotic use in iron deficiency anaemia patients initiating oral iron replacement: a randomised controlled trial. Br J Nutr. 2024;132:1308. doi:10.1017/S0007114524002757
  2. Moreno-Maroto JM, González-Corrochano B, Martínez-Rodríguez AM, Conde-Sánchez A, Cobo-Ceacero CJ, et al. Analyzing the Role of Fe and Fe in the Formation of Expanded Clay Aggregates. Materials (Basel). 2023;16. doi:10.3390/ma16165623
  3. Elli L, Ferretti F, Branchi F, Tomba C, Lombardo V, et al. Sucrosomial Iron Supplementation in Anemic Patients with Celiac Disease Not Tolerating Oral Ferrous Sulfate: A Prospective Study. Nutrients. 2018;10. doi:10.3390/nu10030330
  4. Yau AH, Xiong W, Ko HH. Collagenous enterocolitis manifesting as watery diarrhoea and iron-deficiency anaemia. BMJ Case Rep. 2015;2015. doi:10.1136/bcr-2015-211200
  5. Wei YL, Lin YY. Role of Fe compounds in light aggregate formation from a reservoir sediment. J Hazard Mater. 2009;171:111. doi:10.1016/j.jhazmat.2009.05.122
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