Last update
3/16/2026
Reviewed By
Reviewed By
Overview
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 5 Reviews
8.2
Supplement Facts
Serving Size: 1 Veg Capsule
Amount Per Serving
%DV
Iron (elemental) (from 90 mg Ferrous Bisglycinate)(Ferrochel™)
18 mg
100%
Top Medical Research Studies
8
We conducted a study to discover how intravenous iron therapy impacts sleep apnea in patients suffering from heart failure, anemia, and iron deficiency. Patients were randomly assigned to receive either ferric carboxymaltose or a placebo to assess changes in their sleep and respiratory function after treatment.
Our findings revealed that the intravenous iron treatment significantly improved the hypercapnic ventilatory response, which is the way our bodies react to increased carbon dioxide levels. We observed that, in particular, patients who received iron saw a notable reduction in their apneas and hypopneas—those moments when breathing stops or becomes shallow while asleep. Specifically, the apnoea-hypopnoea index dropped to an average of 12 events per hour with treatment, compared to 19 events per hour in the placebo group.
Furthermore, those who received iron also reported better overall symptoms and had improved physical capacity during exercise tests. This suggests that iron therapy not only helps with sleep-related breathing issues but may also boost oxygen delivery during physical activities.
Overall, our study supports the notion that iron therapy could play an important role in managing sleep apnea among patients with heart failure, providing them with enhanced breathing during sleep and better quality of life.
Our findings revealed that the intravenous iron treatment significantly improved the hypercapnic ventilatory response, which is the way our bodies react to increased carbon dioxide levels. We observed that, in particular, patients who received iron saw a notable reduction in their apneas and hypopneas—those moments when breathing stops or becomes shallow while asleep. Specifically, the apnoea-hypopnoea index dropped to an average of 12 events per hour with treatment, compared to 19 events per hour in the placebo group.
Furthermore, those who received iron also reported better overall symptoms and had improved physical capacity during exercise tests. This suggests that iron therapy not only helps with sleep-related breathing issues but may also boost oxygen delivery during physical activities.
Overall, our study supports the notion that iron therapy could play an important role in managing sleep apnea among patients with heart failure, providing them with enhanced breathing during sleep and better quality of life.
Read More
Most Useful Reviews
7.5
Enhanced cognitive function
74 people found this helpful
I bought this iron for my daughter, who struggled with lethargy and sleepiness. Along with iron, I also provided vitamin C, folic acid, zinc, and selenium. Now, she feels much better and her iron levels are normal. Beyond normalising her iron, we've seen improvements in her cognitive functions; she's now more alert, diligent, and has a better mood, along with a greater desire to engage in activities rather than lounging in bed.
Read More
9
Effective during pregnancy
14 people found this helpful
I developed iron deficiency during pregnancy, and the pills from another company were ineffective. I purchased these tablets, and after 30 days my deficiency vanished, according to my tests. They truly work. I trust this manufacturer for vitamins; they offer good quality at a fair price. The tablets are easy to swallow and their packaging is commendable. Iron deficiency during pregnancy led to weakness and constant sleepiness, which can be harmful to the baby. These pills have effectively resolved my problem.
Read More
7.5
Unexpected benefits for sleep
My 88-year-old mother also takes this supplement, and I believe since adding vitamin E and iron, her sleeping pills have become more effective. There have been no changes to her routine otherwise, so I attribute these benefits to a synergistic effect of either the vitamin E or iron. I'm pleased with the unexpected improvements we've witnessed.
Read More
Medical Researches
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
- All Researches
8
We conducted a study to discover how intravenous iron therapy impacts sleep apnea in patients suffering from heart failure, anemia, and iron deficiency. Patients were randomly assigned to receive either ferric carboxymaltose or a placebo to assess changes in their sleep and respiratory function after treatment.
Our findings revealed that the intravenous iron treatment significantly improved the hypercapnic ventilatory response, which is the way our bodies react to increased carbon dioxide levels. We observed that, in particular, patients who received iron saw a notable reduction in their apneas and hypopneas—those moments when breathing stops or becomes shallow while asleep. Specifically, the apnoea-hypopnoea index dropped to an average of 12 events per hour with treatment, compared to 19 events per hour in the placebo group.
Furthermore, those who received iron also reported better overall symptoms and had improved physical capacity during exercise tests. This suggests that iron therapy not only helps with sleep-related breathing issues but may also boost oxygen delivery during physical activities.
Overall, our study supports the notion that iron therapy could play an important role in managing sleep apnea among patients with heart failure, providing them with enhanced breathing during sleep and better quality of life.
Our findings revealed that the intravenous iron treatment significantly improved the hypercapnic ventilatory response, which is the way our bodies react to increased carbon dioxide levels. We observed that, in particular, patients who received iron saw a notable reduction in their apneas and hypopneas—those moments when breathing stops or becomes shallow while asleep. Specifically, the apnoea-hypopnoea index dropped to an average of 12 events per hour with treatment, compared to 19 events per hour in the placebo group.
Furthermore, those who received iron also reported better overall symptoms and had improved physical capacity during exercise tests. This suggests that iron therapy not only helps with sleep-related breathing issues but may also boost oxygen delivery during physical activities.
Overall, our study supports the notion that iron therapy could play an important role in managing sleep apnea among patients with heart failure, providing them with enhanced breathing during sleep and better quality of life.
Read More
User Reviews
USERS' SCORE
Good
Based on 5 Reviews
8.2
- All Reviews
- Positive Reviews
- Negative Reviews
7.5
Enhanced cognitive function
74 people found this helpful
I bought this iron for my daughter, who struggled with lethargy and sleepiness. Along with iron, I also provided vitamin C, folic acid, zinc, and selenium. Now, she feels much better and her iron levels are normal. Beyond normalising her iron, we've seen improvements in her cognitive functions; she's now more alert, diligent, and has a better mood, along with a greater desire to engage in activities rather than lounging in bed.
Read More
9
Effective during pregnancy
14 people found this helpful
I developed iron deficiency during pregnancy, and the pills from another company were ineffective. I purchased these tablets, and after 30 days my deficiency vanished, according to my tests. They truly work. I trust this manufacturer for vitamins; they offer good quality at a fair price. The tablets are easy to swallow and their packaging is commendable. Iron deficiency during pregnancy led to weakness and constant sleepiness, which can be harmful to the baby. These pills have effectively resolved my problem.
Read More
7.5
Unexpected benefits for sleep
My 88-year-old mother also takes this supplement, and I believe since adding vitamin E and iron, her sleeping pills have become more effective. There have been no changes to her routine otherwise, so I attribute these benefits to a synergistic effect of either the vitamin E or iron. I'm pleased with the unexpected improvements we've witnessed.
Read More
6
Improved energy levels
4 people found this helpful
The general condition of my body has improved since taking this supplement for over a month. My hair has stopped falling out, I feel more active, my complexion has improved, and I've become healthier overall. Symptoms of iron deficiency, such as fatigue and drowsiness, have disappeared. Alongside magnesium from the same brand, my sleep pattern has also improved. I recommend it to anyone with anaemia. I take one tablet in the morning, and when combined with vitamin C, it enhances iron absorption.
Read More
6
Restless legs managed
I can tell this product works because I used to wake up with restless legs and couldn't sleep past 8 am. It significantly boosts my energy and alertness when I am iron deficient.
Read More
Frequently Asked Questions
9
Effective during pregnancy
14 people found this helpful
I developed iron deficiency during pregnancy, and the pills from another company were ineffective. I purchased these tablets, and after 30 days my deficiency vanished, according to my tests. They truly work. I trust this manufacturer for vitamins; they offer good quality at a fair price. The tablets are easy to swallow and their packaging is commendable. Iron deficiency during pregnancy led to weakness and constant sleepiness, which can be harmful to the baby. These pills have effectively resolved my problem.
6
Improved energy levels
4 people found this helpful
The general condition of my body has improved since taking this supplement for over a month. My hair has stopped falling out, I feel more active, my complexion has improved, and I've become healthier overall. Symptoms of iron deficiency, such as fatigue and drowsiness, have disappeared. Alongside magnesium from the same brand, my sleep pattern has also improved. I recommend it to anyone with anaemia. I take one tablet in the morning, and when combined with vitamin C, it enhances iron absorption.
7.5
Enhanced cognitive function
74 people found this helpful
I bought this iron for my daughter, who struggled with lethargy and sleepiness. Along with iron, I also provided vitamin C, folic acid, zinc, and selenium. Now, she feels much better and her iron levels are normal. Beyond normalising her iron, we've seen improvements in her cognitive functions; she's now more alert, diligent, and has a better mood, along with a greater desire to engage in activities rather than lounging in bed.
7.5
Unexpected benefits for sleep
My 88-year-old mother also takes this supplement, and I believe since adding vitamin E and iron, her sleeping pills have become more effective. There have been no changes to her routine otherwise, so I attribute these benefits to a synergistic effect of either the vitamin E or iron. I'm pleased with the unexpected improvements we've witnessed.
8
We conducted a study to discover how intravenous iron therapy impacts sleep apnea in patients suffering from heart failure, anemia, and iron deficiency. Patients were randomly assigned to receive either ferric carboxymaltose or a placebo to assess changes in their sleep and respiratory function after treatment.
Our findings revealed that the intravenous iron treatment significantly improved the hypercapnic ventilatory response, which is the way our bodies react to increased carbon dioxide levels. We observed that, in particular, patients who received iron saw a notable reduction in their apneas and hypopneas—those moments when breathing stops or becomes shallow while asleep. Specifically, the apnoea-hypopnoea index dropped to an average of 12 events per hour with treatment, compared to 19 events per hour in the placebo group.
Furthermore, those who received iron also reported better overall symptoms and had improved physical capacity during exercise tests. This suggests that iron therapy not only helps with sleep-related breathing issues but may also boost oxygen delivery during physical activities.
Overall, our study supports the notion that iron therapy could play an important role in managing sleep apnea among patients with heart failure, providing them with enhanced breathing during sleep and better quality of life.
Our findings revealed that the intravenous iron treatment significantly improved the hypercapnic ventilatory response, which is the way our bodies react to increased carbon dioxide levels. We observed that, in particular, patients who received iron saw a notable reduction in their apneas and hypopneas—those moments when breathing stops or becomes shallow while asleep. Specifically, the apnoea-hypopnoea index dropped to an average of 12 events per hour with treatment, compared to 19 events per hour in the placebo group.
Furthermore, those who received iron also reported better overall symptoms and had improved physical capacity during exercise tests. This suggests that iron therapy not only helps with sleep-related breathing issues but may also boost oxygen delivery during physical activities.
Overall, our study supports the notion that iron therapy could play an important role in managing sleep apnea among patients with heart failure, providing them with enhanced breathing during sleep and better quality of life.
References
- Caravita S, Faini A, Vignati C, Pelucchi S, Salvioni E, et al. Intravenous iron therapy improves the hypercapnic ventilatory response and sleep disordered breathing in chronic heart failure. Eur J Heart Fail. 2022;24:1940. 10.1002/ejhf.2628
Data last updated:
