Overview

SCIENTIFIC SCORE
Questionable
Based on 5 Researches
6.8
USERS' SCORE
Good
Based on 5 Reviews
8.5
Supplement Facts
Serving Size: 1 Veg Capsule
Amount Per Serving
%DV
Zinc (elemental) (from 271 mg Zinc Picolinate)
50 mg
455%

Top Medical Research Studies

8
Dietary zinc may reduce asthma
We explored the relationship between dietary zinc intake and asthma in overweight or obese children and adolescents. This research utilized data from the National Health and Nutrition Examination Survey, focusing on those aged 20 and younger who had both asthma and dietary zinc consumption.

Our findings indicate that there is an inverse association between zinc intake and the occurrence of asthma. In simpler terms, higher dietary zinc appears to be linked with lower asthma rates in these children. This suggests that zinc could play an important role in respiratory health, especially for kids struggling with their weight.

While our study sheds light on this potential protective effect of zinc, we recognize that the results in existing literature have been mixed. Some research indicates benefits, while other studies don’t show significant effects. Therefore, while we have uncovered a correlation worth noting, further research is required to fully understand zinc’s role in asthma management.
Read More
We examined the relationship between circulating zinc levels and asthma in children to uncover any potential links. Our analysis included 21 articles and about 2,205 children, and we utilized a comprehensive method to evaluate the data.

Through our findings, we observed a noteworthy association between low zinc levels and an increased risk for childhood asthma and wheezing. Specifically, children with asthma exhibited lower zinc levels compared to controls, with a significant difference of 0.41 μg/dl. Meanwhile, children who experienced wheezing also showed lower zinc levels, but the difference in this group was not statistically significant.

We also found that children in Middle Eastern countries had significantly lower zinc levels when compared to controls. Overall, our results suggest that maintaining adequate zinc levels may play an important role in managing or potentially reducing the risk of asthma in children, indicating a compelling area for further research.
Read More
We explored the possible link between zinc levels in the body and the risk of developing allergic asthma. In a comprehensive analysis, we looked at various micronutrients and their potential impact on allergic diseases, particularly focusing on zinc.

Our findings suggest that higher serum zinc concentrations might actually reduce the risk of allergic asthma. This means that adequate levels of zinc could play a significant role in preventing this common respiratory condition. However, it's essential to approach these results with careful consideration and see them as part of a broader dietary picture.

While zinc showed a promising association, the study also revealed complexities in how different micronutrients interact with allergic conditions. As we delve deeper into the relationship between nutrition and health, the role of zinc stands out as an area worth further exploration.

Overall, this study provides valuable insight into how dietary choices, specifically related to zinc intake, could influence asthma outcomes. Our findings underline the importance of understanding micronutrients not just as supplements, but as key players in our overall health.
Read More

Most Useful Reviews

9.5
Strengthened immunity
I've been using Now Foods Zinc Picolinate for about a year due to my asthma and frequent illness. Since taking it, I've only been ill once in the past year, as it has bolstered my immune system. I highly recommend this product!
Read More
8
No stomachache
No stomachache! I've been baptised by stomachache with zinc from other brands. This zinc doesn't cause stomachache or nausea, and I'm thrilled there’s a drinkable zinc! I hope it aids my asthma recovery, even if just a little.
Read More
8.8
Helps asthma
I take zinc with vitamin D3, which has been beneficial for my asthma!
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 5 Researches
6.8
  • All Researches
We explored the possible link between zinc levels in the body and the risk of developing allergic asthma. In a comprehensive analysis, we looked at various micronutrients and their potential impact on allergic diseases, particularly focusing on zinc.

Our findings suggest that higher serum zinc concentrations might actually reduce the risk of allergic asthma. This means that adequate levels of zinc could play a significant role in preventing this common respiratory condition. However, it's essential to approach these results with careful consideration and see them as part of a broader dietary picture.

While zinc showed a promising association, the study also revealed complexities in how different micronutrients interact with allergic conditions. As we delve deeper into the relationship between nutrition and health, the role of zinc stands out as an area worth further exploration.

Overall, this study provides valuable insight into how dietary choices, specifically related to zinc intake, could influence asthma outcomes. Our findings underline the importance of understanding micronutrients not just as supplements, but as key players in our overall health.
Read More
8
Dietary zinc may reduce asthma
We explored the relationship between dietary zinc intake and asthma in overweight or obese children and adolescents. This research utilized data from the National Health and Nutrition Examination Survey, focusing on those aged 20 and younger who had both asthma and dietary zinc consumption.

Our findings indicate that there is an inverse association between zinc intake and the occurrence of asthma. In simpler terms, higher dietary zinc appears to be linked with lower asthma rates in these children. This suggests that zinc could play an important role in respiratory health, especially for kids struggling with their weight.

While our study sheds light on this potential protective effect of zinc, we recognize that the results in existing literature have been mixed. Some research indicates benefits, while other studies don’t show significant effects. Therefore, while we have uncovered a correlation worth noting, further research is required to fully understand zinc’s role in asthma management.
Read More
We examined the relationship between circulating zinc levels and asthma in children to uncover any potential links. Our analysis included 21 articles and about 2,205 children, and we utilized a comprehensive method to evaluate the data.

Through our findings, we observed a noteworthy association between low zinc levels and an increased risk for childhood asthma and wheezing. Specifically, children with asthma exhibited lower zinc levels compared to controls, with a significant difference of 0.41 μg/dl. Meanwhile, children who experienced wheezing also showed lower zinc levels, but the difference in this group was not statistically significant.

We also found that children in Middle Eastern countries had significantly lower zinc levels when compared to controls. Overall, our results suggest that maintaining adequate zinc levels may play an important role in managing or potentially reducing the risk of asthma in children, indicating a compelling area for further research.
Read More
7
Zinc levels impact asthma control
Our research sought to understand the connection between serum trace elements, particularly zinc, and asthma control in children. We enrolled 100 children with asthma and 75 healthy peers, examining levels of various essential nutrients along with asthma severity based on established guidelines.

The findings revealed that children with asthma had significantly lower zinc levels compared to their healthy counterparts. Specifically, asthmatic children had mean serum zinc levels of 51 mg/dl, which fell well below the 60 mg/dl observed in healthy controls. Additionally, these low levels of zinc correlated with worsening asthma control.

We also noted that both selenium and vitamin D3 were similarly low among asthmatic participants. Interestingly, the art of controlling asthma was linked to higher levels of these nutrients. Those with uncontrolled asthma had the lowest these nutrient levels, underscoring the importance of maintaining adequate zinc, selenium, and vitamin D3 for better asthma management.

While our study brings to light the associations between zinc levels and asthma severity, it does not definitively establish that zinc treatment alone improves asthma. More research is needed to explore whether increasing zinc intake can lead to better health outcomes for asthmatic children.
Read More
We conducted a cross-sectional study to understand how zinc levels might affect childhood asthma. In this research, we compared serum zinc levels in 40 children with asthma to those in 21 healthy children.

The findings showed that while asthmatic children had slightly higher serum zinc levels, the difference wasn't significant. It appears that zinc alone isn't a major player when it comes to managing asthma in children.

We also analyzed other important markers like serum ferritin and immunoglobulin E (IgE). Interestingly, both ferritin and IgE levels were indeed higher in asthmatic children, suggesting they may have a role in asthma control, but their levels didn’t change significantly with asthma severity.

Overall, our study indicates that zinc treatment alone may not be effective for improving asthma symptoms, highlighting the need for a broader approach to manage this condition.
Read More

User Reviews

USERS' SCORE
Good
Based on 5 Reviews
8.5
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Strengthened immunity
I've been using Now Foods Zinc Picolinate for about a year due to my asthma and frequent illness. Since taking it, I've only been ill once in the past year, as it has bolstered my immune system. I highly recommend this product!
Read More
8
No stomachache
No stomachache! I've been baptised by stomachache with zinc from other brands. This zinc doesn't cause stomachache or nausea, and I'm thrilled there’s a drinkable zinc! I hope it aids my asthma recovery, even if just a little.
Read More
8.8
Helps asthma
I take zinc with vitamin D3, which has been beneficial for my asthma!
Read More
8.8
Colds prevention
This zinc helps me keep colds and flu at bay, which is crucial for managing my asthma. Even my surgeon takes it!
Read More
7
Effective for asthma
I order zinc for my husband to help treat his allergic asthma. I take zinc courses twice a year for my own health, as it benefits the vessels too!
Read More

Frequently Asked Questions

Asthma is a chronic condition that affects the airways in the lungs, resulting in symptoms like wheezing, coughing, shortness of breath, and chest tightness. The airways can become inflamed and narrowed, making it difficult to breathe, especially during physical activities or during an asthma attack triggered by allergens, irritants, or stress. While asthma can affect individuals of any age, it often begins in childhood, and its severity can vary from mild to life-threatening.

Management of asthma involves avoiding known triggers and using medications such as inhalers that contain bronchodilators and corticosteroids to reduce inflammation and improve airflow. Regular check-ups with a healthcare provider can help individuals manage their condition effectively and develop an asthma action plan tailored to their specific needs. With proper management, many individuals with asthma lead active, healthy lives.

Zinc is a versatile metal known for its various applications in industry and health. It is a bluish-white metallic element represented by the symbol Zn and atomic number 30 on the periodic table. Zinc is primarily used for galvanizing steel to prevent rusting, in the manufacturing of alloys, and as a component in batteries. Additionally, zinc plays a crucial role in biological processes, making it an essential trace element in the human diet. It is involved in immune function, protein synthesis, wound healing, and DNA synthesis, highlighting its importance in maintaining overall health and well-being.

Zinc is an essential mineral known for its immune-boosting properties, but its direct impact on asthma is still a topic of discussion among researchers. Some studies suggest that zinc may help reduce the severity of respiratory infections and inflammation, which can be beneficial for individuals with asthma. However, the evidence is not conclusive enough to recommend zinc as a primary treatment for asthma itself.

While adequate zinc levels are important for overall health and immune function, individuals with asthma should consult healthcare professionals for tailored advice and treatment options. Relying solely on zinc supplements without medical guidance could lead to potential imbalances or side effects. Instead, maintaining a balanced diet rich in essential nutrients is crucial for supporting respiratory health alongside any prescribed asthma management strategies.

Based on user reviews, the timelines for seeing results from taking Zinc Picolinate for asthma vary significantly among individuals. Some users indicate that noticeable improvements in their overall health, including their asthma management, have been observed after consistent use over several months. For instance, one user mentioned, "I've been using Now Foods Zinc Picolinate for about a year due to my asthma" and highlighted that they experienced illness less frequently during this period, suggesting that long-term use may be beneficial (Read Review).

However, others have noted more immediate positive effects, such as relief from unpleasant side effects often associated with other zinc products. One user shared their satisfaction in not experiencing stomachaches and expressed hope for its contribution to their asthma recovery (Read Review). Therefore, while some users may see benefits within weeks, for others, it may take a few months to reap the full advantages for asthma management.

Current scientific research indicates a promising association between zinc levels and asthma management. Several studies highlight that higher dietary zinc intake may correlate with lower asthma rates, particularly in children and adolescents. For instance, a study focusing on overweight youth found that increased zinc consumption was inversely associated with the occurrence of asthma, suggesting that adequate zinc levels could be beneficial for respiratory health [2]. Additionally, research uncovered a notable link between low zinc levels and worsened asthma control in children, reinforcing the idea that maintaining sufficient zinc might be crucial for managing the condition [4].

However, it's important to note that while these findings are intriguing, not all studies consistently support the efficacy of zinc in asthma management. A study assessing zinc levels in children with asthma found no significant differences compared to healthy controls, indicating that zinc alone may not be a major factor in asthma symptom management [3]. Consequently, while there is some evidence suggesting that zinc could play a role in asthma prevention and control, the overall picture is complex and warrants further exploration to establish definitive conclusions and treatment guidelines.

Based on user reviews, many individuals have experienced significant improvements in their symptoms related to asthma and overall immune health after using Zinc Picolinate. For instance, one user reported that after a year of taking the supplement, they were only ill once, attributing this to the strengthened immune system provided by the zinc (Read Review). Another user noted that the zinc product did not cause the stomach issues commonly encountered with other brands, which allowed them to focus on their asthma recovery without additional discomfort (Read Review).

In addition, users who combined zinc with other nutrients, like Vitamin D3, reported positive outcomes regarding their asthma management (Read Review). Another review mentioned that the supplement helped in keeping colds and flu at bay, thereby playing a crucial role in their asthma management (Read Review). These anecdotal experiences suggest that while individual results may vary, many users have found Zinc Picolinate to be beneficial in supporting their asthma and overall health.

Users report a range of experiences when combining Zinc Picolinate with other supplements in managing asthma. Specifically, one user indicated that taking zinc alongside Vitamin D3 has yielded beneficial results for their asthma condition, highlighting the potential synergistic effects of combining these nutrients (Read Review). This suggests that for some, a multifaceted approach using zinc and vitamin D3 may enhance asthma management.

Additionally, several reviews note that Zinc Picolinate can help bolster the immune system, which users find particularly important in preventing colds and flu, conditions that can complicate asthma management. For instance, one user mentioned that the zinc supplement has been instrumental in keeping illnesses at bay, thereby playing a crucial role in their overall asthma control (Read Review). Overall, these user accounts imply that combining Zinc Picolinate with other supplements may provide added benefits in managing asthma symptoms, leading to fewer illnesses and potentially improved respiratory health.

Based on user reviews, Zinc appears to be a favorable supplement for managing symptoms related to asthma. Users have reported positive experiences with various Zinc products, suggesting that it may bolster not just immunity but overall respiratory health as well. One user mentioned using Zinc Picolinate for a year and noted a significant reduction in illnesses, which is particularly important for those with asthma who often face complications from respiratory infections (Read Review). Another user highlighted the importance of Zinc in maintaining health during flu seasons, which is crucial for asthma management, indicating that Zinc may play a role in keeping respiratory issues at bay (Read Review).

9.5
Strengthened immunity
I've been using Now Foods Zinc Picolinate for about a year due to my asthma and frequent illness. Since taking it, I've only been ill once in the past year, as it has bolstered my immune system. I highly recommend this product!
8
No stomachache
No stomachache! I've been baptised by stomachache with zinc from other brands. This zinc doesn't cause stomachache or nausea, and I'm thrilled there’s a drinkable zinc! I hope it aids my asthma recovery, even if just a little.
8.8
Helps asthma
I take zinc with vitamin D3, which has been beneficial for my asthma!
8.8
Colds prevention
This zinc helps me keep colds and flu at bay, which is crucial for managing my asthma. Even my surgeon takes it!
8
Dietary zinc may reduce asthma
We explored the relationship between dietary zinc intake and asthma in overweight or obese children and adolescents. This research utilized data from the National Health and Nutrition Examination Survey, focusing on those aged 20 and younger who had both asthma and dietary zinc consumption.

Our findings indicate that there is an inverse association between zinc intake and the occurrence of asthma. In simpler terms, higher dietary zinc appears to be linked with lower asthma rates in these children. This suggests that zinc could play an important role in respiratory health, especially for kids struggling with their weight.

While our study sheds light on this potential protective effect of zinc, we recognize that the results in existing literature have been mixed. Some research indicates benefits, while other studies don’t show significant effects. Therefore, while we have uncovered a correlation worth noting, further research is required to fully understand zinc’s role in asthma management.
7
Zinc levels impact asthma control
Our research sought to understand the connection between serum trace elements, particularly zinc, and asthma control in children. We enrolled 100 children with asthma and 75 healthy peers, examining levels of various essential nutrients along with asthma severity based on established guidelines.

The findings revealed that children with asthma had significantly lower zinc levels compared to their healthy counterparts. Specifically, asthmatic children had mean serum zinc levels of 51 mg/dl, which fell well below the 60 mg/dl observed in healthy controls. Additionally, these low levels of zinc correlated with worsening asthma control.

We also noted that both selenium and vitamin D3 were similarly low among asthmatic participants. Interestingly, the art of controlling asthma was linked to higher levels of these nutrients. Those with uncontrolled asthma had the lowest these nutrient levels, underscoring the importance of maintaining adequate zinc, selenium, and vitamin D3 for better asthma management.

While our study brings to light the associations between zinc levels and asthma severity, it does not definitively establish that zinc treatment alone improves asthma. More research is needed to explore whether increasing zinc intake can lead to better health outcomes for asthmatic children.
We conducted a cross-sectional study to understand how zinc levels might affect childhood asthma. In this research, we compared serum zinc levels in 40 children with asthma to those in 21 healthy children.

The findings showed that while asthmatic children had slightly higher serum zinc levels, the difference wasn't significant. It appears that zinc alone isn't a major player when it comes to managing asthma in children.

We also analyzed other important markers like serum ferritin and immunoglobulin E (IgE). Interestingly, both ferritin and IgE levels were indeed higher in asthmatic children, suggesting they may have a role in asthma control, but their levels didn’t change significantly with asthma severity.

Overall, our study indicates that zinc treatment alone may not be effective for improving asthma symptoms, highlighting the need for a broader approach to manage this condition.

References

  1. Changhai L, Zaichun W, Bo Y, Dan L, Shaohua W. Micronutrients and Allergic Diseases: A Mendelian Randomization Study. Int Arch Allergy Immunol. 2025;186:41. doi:10.1159/000540376
  2. Cheng C, Lin J, Zhang Z, Zhang L. Association between dietary zinc intake and asthma in overweight or obese children and adolescents: A cross-sectional analysis of NHANES. World Allergy Organ J. 2024;17:100900. doi:10.1016/j.waojou.2024.100900
  3. Atef Abdelsattar Ibrahim H, Mohsen M, Salep Aziz Hanna B, Mahmoud D, Mohamed Abdelhamid El-Khashab K. Childhood asthma biomarkers including zinc: An exploratory cross-sectional study. World J Clin Pediatr. 2024;13:87866. doi:10.5409/wjcp.v13.i1.87866
  4. Srivastava S, Tiwari V, Singh S, Karoli R, Bhattacharya P, et al. Low Serum Levels of Zinc, Selenium, and Vitamin D3 Are Biomarkers of Airway Inflammation and Poor Asthma Control: A Two-Centre Study. Cureus. 2023;15:e41082. doi:10.7759/cureus.41082
  5. Xue M, Wang Q, Pang B, Zhang X, Zhang Y, et al. Association Between Circulating Zinc and Risk for Childhood Asthma and Wheezing: A Meta-analysis on 21 Articles and 2205 Children. Biol Trace Elem Res. 2024;202:442. doi:10.1007/s12011-023-03690-4
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