'
SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 4 Reviews
8.6
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
Zinc (as Zinc bisglycinate)
30 mg
273%

Top Medical Research Studies

8
Zinc promotes sleep in mice
Zinc-containing yeast extract promotes nonrapid eye movement sleep in mice.
High relevance to insomnia treatment
We explored the effects of zinc on sleep by looking at how it might help with insomnia. In our study, we gave mice a zinc-containing yeast extract and monitored their behavior and brain activity. The results were quite promising.

We found that administering zinc at doses of 40 and 80 mg/kg led to a significant increase in non-rapid eye movement (NREM) sleep. This means that the mice were not only sleeping longer but also showed less activity, which is a good indicator of effective sleep. Interestingly, we did not observe any changes in rapid eye movement (REM) sleep, a crucial sleep phase for dreaming and deep rest.

Importantly, we didn’t see any negative side effects, such as rebound insomnia, within 24 hours after treating the mice. This suggests that zinc could be a safe option for those struggling with sleep issues, unlike other mineral extracts we tested, such as manganese, iron, and copper, which did not affect locomotor activity at all.

Overall, our findings provide the first evidence that zinc has a direct role in promoting sleep, opening up exciting possibilities for new sleep supplements featuring this essential mineral.
Read More
9
Zinc's role in insomnia unclear
The effect of melatonin, magnesium, and zinc on primary insomnia in long-term care facility residents in Italy: a double-blind, placebo-controlled clinical trial.
Combination therapy complicates zinc analysis
We conducted a double-blind, placebo-controlled study in a long-term care facility in Italy to assess whether nightly supplementation of melatonin, magnesium, and zinc could help improve primary insomnia in elderly residents. A total of 43 participants, mostly in their late 70s, were divided into two groups: one received a combination of these supplements, while the other received a placebo for eight weeks.

Throughout the study, we focused on measuring sleep quality using several tools, including the Pittsburgh Sleep Quality Index and the Epworth Sleepiness Scale. After two months, we found that the group taking melatonin, magnesium, and zinc showed improvements in sleep quality and overall quality of life compared to the placebo group.

While the results are promising for the combination of these supplements, it's important to note that this study makes it challenging to determine the specific role that zinc alone may play in addressing insomnia. Nonetheless, the findings suggest that this combination could be beneficial for sleep in long-term care residents experiencing primary insomnia.
Read More
8
Nutraceuticals reduce menopause symptoms
[Evaluation of the efficacy of a new nutraceutical product in the treatment of postmenopausal symptoms].
Zinc's isolated effect unclear
We tested the effectiveness of a unique nutraceutical product, ElleN®, aimed at alleviating postmenopausal symptoms, particularly sleeplessness due to anxiety and hot flushes. This product contains several natural ingredients, including zinc, but we acknowledge that its effects are evaluated in combination with others. In our study, women experiencing mild to moderate/severe menopausal symptoms took one tablet daily for three months.

Notably, we observed a significant reduction in the Kupperman Index, an indicator of menopausal discomfort, particularly related to insomnia and anxiety linked with hot flushes. While the product was well-tolerated and didn't lead to any side effects, we are unable to specify the isolated effects of zinc because the benefits were observed in conjunction with other ingredients.

Overall, the findings suggest that natural supplements like ElleN® can be beneficial for managing menopausal symptoms without resorting to hormone replacement therapy, but we must be cautious in attributing the outcomes to zinc alone, given the combination with other components.
Read More

Most Useful Reviews

9.5
Excellent for insomnia
An excellent product that helps eliminate insomnia and promotes deep sleep.
Read More
8.8
Improved sleep quality
Immunity has a stabilising effect on insomnia, depression, and other conditions, such as during menopause or old age. The natural ingredients help relieve stress, stimulate brain function, and improve mood. The medium-sized capsules contain GABA, which promotes better sleep quality. This component mitigates stress effects and ensures deeper, more effective sleep. The dosage is optimal.
Read More
8.8
Effective support
Zinc immunity stabilises conditions like insomnia, depression, and autonomic disorders. The natural ingredients relieve stress and enhance brain function. GABA improves sleep quality and helps limit stress effects, leading to deeper sleep. The medium-sized capsules contain an optimal dosage.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
9
Zinc's role in insomnia unclear
The effect of melatonin, magnesium, and zinc on primary insomnia in long-term care facility residents in Italy: a double-blind, placebo-controlled clinical trial.
Combination therapy complicates zinc analysis
We conducted a double-blind, placebo-controlled study in a long-term care facility in Italy to assess whether nightly supplementation of melatonin, magnesium, and zinc could help improve primary insomnia in elderly residents. A total of 43 participants, mostly in their late 70s, were divided into two groups: one received a combination of these supplements, while the other received a placebo for eight weeks.

Throughout the study, we focused on measuring sleep quality using several tools, including the Pittsburgh Sleep Quality Index and the Epworth Sleepiness Scale. After two months, we found that the group taking melatonin, magnesium, and zinc showed improvements in sleep quality and overall quality of life compared to the placebo group.

While the results are promising for the combination of these supplements, it's important to note that this study makes it challenging to determine the specific role that zinc alone may play in addressing insomnia. Nonetheless, the findings suggest that this combination could be beneficial for sleep in long-term care residents experiencing primary insomnia.
Read More
8
Nutraceuticals reduce menopause symptoms
[Evaluation of the efficacy of a new nutraceutical product in the treatment of postmenopausal symptoms].
Zinc's isolated effect unclear
We tested the effectiveness of a unique nutraceutical product, ElleN®, aimed at alleviating postmenopausal symptoms, particularly sleeplessness due to anxiety and hot flushes. This product contains several natural ingredients, including zinc, but we acknowledge that its effects are evaluated in combination with others. In our study, women experiencing mild to moderate/severe menopausal symptoms took one tablet daily for three months.

Notably, we observed a significant reduction in the Kupperman Index, an indicator of menopausal discomfort, particularly related to insomnia and anxiety linked with hot flushes. While the product was well-tolerated and didn't lead to any side effects, we are unable to specify the isolated effects of zinc because the benefits were observed in conjunction with other ingredients.

Overall, the findings suggest that natural supplements like ElleN® can be beneficial for managing menopausal symptoms without resorting to hormone replacement therapy, but we must be cautious in attributing the outcomes to zinc alone, given the combination with other components.
Read More
8
Zinc promotes sleep in mice
Zinc-containing yeast extract promotes nonrapid eye movement sleep in mice.
High relevance to insomnia treatment
We explored the effects of zinc on sleep by looking at how it might help with insomnia. In our study, we gave mice a zinc-containing yeast extract and monitored their behavior and brain activity. The results were quite promising.

We found that administering zinc at doses of 40 and 80 mg/kg led to a significant increase in non-rapid eye movement (NREM) sleep. This means that the mice were not only sleeping longer but also showed less activity, which is a good indicator of effective sleep. Interestingly, we did not observe any changes in rapid eye movement (REM) sleep, a crucial sleep phase for dreaming and deep rest.

Importantly, we didn’t see any negative side effects, such as rebound insomnia, within 24 hours after treating the mice. This suggests that zinc could be a safe option for those struggling with sleep issues, unlike other mineral extracts we tested, such as manganese, iron, and copper, which did not affect locomotor activity at all.

Overall, our findings provide the first evidence that zinc has a direct role in promoting sleep, opening up exciting possibilities for new sleep supplements featuring this essential mineral.
Read More

User Reviews

USERS' SCORE
Good
Based on 4 Reviews
8.6
9.5
Excellent for insomnia
An excellent product that helps eliminate insomnia and promotes deep sleep.
8.8
Improved sleep quality
Immunity has a stabilising effect on insomnia, depression, and other conditions, such as during menopause or old age. The natural ingredients help relieve stress, stimulate brain function, and improve mood. The medium-sized capsules contain GABA, which promotes better sleep quality. This component mitigates stress effects and ensures deeper, more effective sleep. The dosage is optimal.
Read More
8.8
Effective support
Zinc immunity stabilises conditions like insomnia, depression, and autonomic disorders. The natural ingredients relieve stress and enhance brain function. GABA improves sleep quality and helps limit stress effects, leading to deeper sleep. The medium-sized capsules contain an optimal dosage.
Read More
8.8
Supports recovery
I took zinc chelate for mild colds and felt recovery by the second day. It's effective for insomnia, energy loss, and concentration issues, especially in spring and autumn. The natural composition is appealing, and despite a recent price increase, I will continue purchasing due to its proven results.
Read More
image