Last update
3/26/2026
Reviewed By
Reviewed By
Overview
SCIENTIFIC SCORE
Likely Very Effective
Based on 1 Research
9
USERS' SCORE
Good
Based on 12 Reviews
8.4
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
Zinc (as Zinc L-Methionine Sulfate)
15 mg
136%
Copper (as Gluconate)
1 mg
111%
Top Medical Research Studies
9
We explored how zinc affects heart function in the context of obstructive sleep apnea (OSA), specifically focusing on cases of intermittent hypoxia (IH). In a detailed study using male rats, researchers set up different groups: a control group and one that underwent 10 weeks of exercise training. Half of the rats in both groups were exposed to IH conditions to simulate the effects of sleep apnea.
The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.
On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.
On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
Read More
Most Useful Reviews
9
Improved sleep quality
12 people found this helpful
The magic zinc! After using it nightly for a month, I felt relaxed and started to sleep well. I noticed less hair loss, and my hair seems to be growing again.
Read More
9
Enhanced sleep patterns
11 people found this helpful
I really appreciate this zinc formulation. When taken with magnesium at night, it helps me sleep soundly. I typically take 30-45 mg daily, ensuring to avoid calcium to maximise absorption.
Read More
8.5
Sleep enhancement
1 people found this helpful
We appreciate that this zinc formulation has copper in a healthy ratio. Taking this nightly, along with magnesium, helps with sleep. We consistently buy Jarrow Formulas Zinc Balance.
Read More
Medical Researches
SCIENTIFIC SCORE
Likely Very Effective
Based on 1 Research
9
- All Researches
9
We explored how zinc affects heart function in the context of obstructive sleep apnea (OSA), specifically focusing on cases of intermittent hypoxia (IH). In a detailed study using male rats, researchers set up different groups: a control group and one that underwent 10 weeks of exercise training. Half of the rats in both groups were exposed to IH conditions to simulate the effects of sleep apnea.
The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.
On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.
On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
Read More
User Reviews
USERS' SCORE
Good
Based on 12 Reviews
8.4
- All Reviews
- Positive Reviews
- Negative Reviews
9
Improved sleep quality
12 people found this helpful
The magic zinc! After using it nightly for a month, I felt relaxed and started to sleep well. I noticed less hair loss, and my hair seems to be growing again.
Read More
9
Enhanced sleep patterns
11 people found this helpful
I really appreciate this zinc formulation. When taken with magnesium at night, it helps me sleep soundly. I typically take 30-45 mg daily, ensuring to avoid calcium to maximise absorption.
Read More
8.5
Sleep enhancement
1 people found this helpful
We appreciate that this zinc formulation has copper in a healthy ratio. Taking this nightly, along with magnesium, helps with sleep. We consistently buy Jarrow Formulas Zinc Balance.
Read More
8
Strong immunity boost
1 people found this helpful
I have bought this product multiple times over the years. After taking it, both my sleep quality and immunity significantly improved. This brand's balance of zinc and copper is reliable.
Read More
9
Consistent sleep aid
I am sleeping better. The quality is good, and I take it daily with no problems, so I purchase it regularly.
Read More
Frequently Asked Questions
9
Improved sleep quality
12 people found this helpful
The magic zinc! After using it nightly for a month, I felt relaxed and started to sleep well. I noticed less hair loss, and my hair seems to be growing again.
8.5
Sleep enhancement
1 people found this helpful
We appreciate that this zinc formulation has copper in a healthy ratio. Taking this nightly, along with magnesium, helps with sleep. We consistently buy Jarrow Formulas Zinc Balance.
8
Restful sleep
8 people found this helpful
Wow! This zinc has helped me sleep more restfully compared to higher doses that left me fatigued. My skin has also improved, and the copper ratio included ensures no depletion.
9
Enhanced sleep patterns
11 people found this helpful
I really appreciate this zinc formulation. When taken with magnesium at night, it helps me sleep soundly. I typically take 30-45 mg daily, ensuring to avoid calcium to maximise absorption.
8
Improved sleep quality
6 people found this helpful
Although long-term zinc supplementation might deplete copper, this product includes the right balance. After one month of using Zinc Balance, my sleep and hair health improved significantly.
9
We explored how zinc affects heart function in the context of obstructive sleep apnea (OSA), specifically focusing on cases of intermittent hypoxia (IH). In a detailed study using male rats, researchers set up different groups: a control group and one that underwent 10 weeks of exercise training. Half of the rats in both groups were exposed to IH conditions to simulate the effects of sleep apnea.
The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.
On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
The results were eye-opening. Rats that experienced IH showed notable impairment in their heart's left ventricular function, characterized by reduced ejection fraction and increased inflammation. However, when treated with zinc, these negative effects were significantly countered. Notably, those who exercised and received zinc treatment displayed improved heart function and antioxidant capabilities compared to their counterparts that did not receive zinc.
On the flip side, exercise alone did not provide the same protective benefits when zinc was absent. The findings suggest that zinc is essential not only for the heart's protection against the damaging effects of IH but also enhances the benefits of physical exercise. This research indicates the importance of zinc in potentially managing heart health in individuals suffering from sleep apnea.
References
- Chen TI, Chen MY. Zinc Is Indispensable in Exercise-Induced Cardioprotection against Intermittent Hypoxia-Induced Left Ventricular Function Impairment in Rats. PLoS One. 2016;11:e0168600. 10.1371/journal.pone.0168600
Data last updated:
