Overview

SCIENTIFIC SCORE
Questionable
Based on 7 Researches
6.6
USERS' SCORE
Good
Based on 9 Reviews
8.3
Supplement Facts
Serving Size: 1 Tablet
Amount Per Serving
%DV
Zinc (from 405 mg Zinc Gluconate)
50 mg
455%

Top Medical Research Studies

9
Zinc deficiency linked to anemia
We explored the connection between zinc deficiency and anemia through the case of an 18-year-old woman who faced a series of health issues, including urinary tract infections and insulin dysfunction. After a thorough assessment, she was diagnosed with zinc deficiency, shedding light on how this overlooked issue can impact overall health.

What stood out to us was the rapid recovery the patient experienced after beginning oral zinc supplementation. Zinc plays a critical role in numerous bodily functions, including immune support and protein regulation. By addressing her deficiency, we observed significant improvement in her symptoms, including anemia.

The patient’s diet contained high levels of substances that were inhibiting her zinc absorption, which likely contributed to her condition. This case emphasizes the importance of recognizing zinc deficiency as a potential underlying cause for unexplained health issues, particularly anemia. Prompt diagnosis and treatment can lead to a complete turnaround in the patient's health.

By sharing this experience, we hope to raise awareness among clinicians about the vital role of zinc in managing anemia and encourage timely interventions for patients showing diverse symptoms.
Read More
We observed an intriguing case involving a 51-year-old woman diagnosed with treatment-resistant schizophrenia (TRS) who developed severe anemia while undergoing clozapine therapy. This case highlights the complex relationship between clozapine, a potent antipsychotic, and zinc deficiency. Through identifying zinc deficiency as a possible contributing factor to the anemia, we explored how zinc supplementation could play a pivotal role in restoring hemoglobin levels.

Following zinc supplementation, we noted impressive improvements in her hemoglobin, allowing the patient to continue her clozapine at a therapeutic dosage. Remarkably, she has shown stability since, with no signs of recurrent anemia. While clozapine can lead to various complications, including anemia, this case suggests that addressing zinc levels may be critical for patients receiving this treatment.

However, we must acknowledge that the exact mechanism linking zinc deficiency and clozapine-related anemia remains unclear. Thus, further investigation is warranted to fully understand this relationship and the potential of zinc in managing anemia, particularly in patients on clozapine.
Read More
We explored the impact of zinc treatment on anemia, particularly focusing on preterm and low birth weight infants in low- and middle-income countries. Previous evidence suggested a strong correlation between zinc supplementation and the reduction of anemia rates.

Our review revealed that adding zinc, along with other micronutrients, seems to show promising benefits. Specifically, it can help reduce levels of anemia in vulnerable populations, contributing to better health outcomes.

What's important to note is that benefits from zinc supplementation were often accompanied by other nutrients, making it challenging to isolate its specific effectiveness. Nevertheless, the consensus indicates that zinc, along with iron and vitamin A, plays a supportive role in promoting overall growth and reducing complications related to anemia.

Therefore, while we didn't claim that zinc alone is a catch-all solution, it does hold significant promise when combined with a broader nutritional strategy. This highlights the essential need for ongoing research into micronutrient supplementation in these high-risk groups.
Read More

Most Useful Reviews

9.5
Improved complexion
I experienced significant hair loss and had anemia from menstruation, prompting me to buy this supplement. Alongside iron tablets, I noticed a substantial improvement in my anemia! My complexion has benefited greatly, although I'm still unsure about the effect on my hair quality. However, the cost-effectiveness is appealing, leading me to consider continuing with it.
Read More
10
Saved during pregnancy
This has been a lifesaver! Zinc helped me combat anemia during pregnancy when I faced a significant deficiency. It enhances immunity too, thus preventing further anemia. The quality is commendable relative to the price.
Read More
8.3
Severe anemia improved
My anemia has significantly improved! The tablet is easy to swallow. I take one daily, and this has notably alleviated my severe symptoms. I intend to keep using it, as the price and quality are both commendable.
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 7 Researches
6.6
  • All Researches
We observed an intriguing case involving a 51-year-old woman diagnosed with treatment-resistant schizophrenia (TRS) who developed severe anemia while undergoing clozapine therapy. This case highlights the complex relationship between clozapine, a potent antipsychotic, and zinc deficiency. Through identifying zinc deficiency as a possible contributing factor to the anemia, we explored how zinc supplementation could play a pivotal role in restoring hemoglobin levels.

Following zinc supplementation, we noted impressive improvements in her hemoglobin, allowing the patient to continue her clozapine at a therapeutic dosage. Remarkably, she has shown stability since, with no signs of recurrent anemia. While clozapine can lead to various complications, including anemia, this case suggests that addressing zinc levels may be critical for patients receiving this treatment.

However, we must acknowledge that the exact mechanism linking zinc deficiency and clozapine-related anemia remains unclear. Thus, further investigation is warranted to fully understand this relationship and the potential of zinc in managing anemia, particularly in patients on clozapine.
Read More
9
Zinc deficiency linked to anemia
We explored the connection between zinc deficiency and anemia through the case of an 18-year-old woman who faced a series of health issues, including urinary tract infections and insulin dysfunction. After a thorough assessment, she was diagnosed with zinc deficiency, shedding light on how this overlooked issue can impact overall health.

What stood out to us was the rapid recovery the patient experienced after beginning oral zinc supplementation. Zinc plays a critical role in numerous bodily functions, including immune support and protein regulation. By addressing her deficiency, we observed significant improvement in her symptoms, including anemia.

The patient’s diet contained high levels of substances that were inhibiting her zinc absorption, which likely contributed to her condition. This case emphasizes the importance of recognizing zinc deficiency as a potential underlying cause for unexplained health issues, particularly anemia. Prompt diagnosis and treatment can lead to a complete turnaround in the patient's health.

By sharing this experience, we hope to raise awareness among clinicians about the vital role of zinc in managing anemia and encourage timely interventions for patients showing diverse symptoms.
Read More
8
Zinc improves anaemia outcomes
We set out to explore how zinc, through micronutrient powders (MNPs), influences anaemia in young children, particularly in Bangladesh, where high rates of anaemia persist. In a well-structured trial, we observed children aged 9-11 months receiving daily doses of MNPs for 24 weeks. Initially, a staggering 54.1% of these children had anaemia, characterized by low hemoglobin levels.

At the end of the study, anaemia prevalence decreased to 32.6%, indicating some positive effects of the MNPs, which included zinc as one of their components. However, while we found various factors associated with anaemia—like underweight status and frequent illness—it's crucial to note that we could not isolate the specific impact of zinc on anaemia from other nutritional interventions included in the powders.

Overall, we acknowledged that while MNPs contribute to addressing anaemia, they should be part of a broader strategy that encompasses other factors impacting health and nutrition. This comprehensive approach ensures effective prevention and control of anaemia in vulnerable populations.
Read More
We explored the impact of zinc treatment on anemia, particularly focusing on preterm and low birth weight infants in low- and middle-income countries. Previous evidence suggested a strong correlation between zinc supplementation and the reduction of anemia rates.

Our review revealed that adding zinc, along with other micronutrients, seems to show promising benefits. Specifically, it can help reduce levels of anemia in vulnerable populations, contributing to better health outcomes.

What's important to note is that benefits from zinc supplementation were often accompanied by other nutrients, making it challenging to isolate its specific effectiveness. Nevertheless, the consensus indicates that zinc, along with iron and vitamin A, plays a supportive role in promoting overall growth and reducing complications related to anemia.

Therefore, while we didn't claim that zinc alone is a catch-all solution, it does hold significant promise when combined with a broader nutritional strategy. This highlights the essential need for ongoing research into micronutrient supplementation in these high-risk groups.
Read More
4
Zinc's uncertain effect on anemia
We examined how zinc supplementation affects anemia in people living with HIV who are on antiretroviral therapy. This review included various studies that looked at the relationship between zinc intake and anemia outcomes.

Overall, the findings suggest that zinc supplementation had little to no significant effect on hemoglobin levels, which is one of the key indicators of anemia. Although the study indicated some uncertainty regarding its impact, we found that as serum zinc levels increased by 10 µg/dL, the expected increase in CD4 lymphocyte count slightly decreased.

This means that while zinc may play a role in immune health, its direct effect on alleviating anemia in this population is not clearly defined. It’s important to note that the evidence surrounding zinc and its impact on hemoglobin concentration remains inconclusive, and further research is needed to clarify its role.
Read More

User Reviews

USERS' SCORE
Good
Based on 9 Reviews
8.3
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Improved complexion
I experienced significant hair loss and had anemia from menstruation, prompting me to buy this supplement. Alongside iron tablets, I noticed a substantial improvement in my anemia! My complexion has benefited greatly, although I'm still unsure about the effect on my hair quality. However, the cost-effectiveness is appealing, leading me to consider continuing with it.
Read More
10
Saved during pregnancy
This has been a lifesaver! Zinc helped me combat anemia during pregnancy when I faced a significant deficiency. It enhances immunity too, thus preventing further anemia. The quality is commendable relative to the price.
Read More
8.3
Severe anemia improved
My anemia has significantly improved! The tablet is easy to swallow. I take one daily, and this has notably alleviated my severe symptoms. I intend to keep using it, as the price and quality are both commendable.
Read More
8.8
Helps with anemia
Zinc is in an excellent dose of 50mg, which exceeds the recommended daily intake. It is beneficial for hair, skin, and nails, particularly when combining it with other treatments for anemia. Men can also use it for health purposes. Thank you, iHerb; I'm very satisfied with my purchase!
Read More
9.5
Boosts energy
I drink this every morning! I believe the best way to alleviate my anemia and improve my wellbeing is to incorporate this supplement. It energises me from within, and I never skip my dose.
Read More

Frequently Asked Questions

Anemia is a medical condition characterized by a deficiency of red blood cells or hemoglobin in the blood, which can result in reduced oxygen flow to the body's organs. The most common type of anemia is iron-deficiency anemia, which occurs when the body does not have enough iron to produce adequate hemoglobin. Other types can arise from chronic diseases, genetic conditions, or a lack of certain vitamins such as B12 or folate. Symptoms often include fatigue, weakness, pale skin, and shortness of breath, particularly during physical activity.

Diagnosing anemia typically involves blood tests to measure levels of red blood cells, hemoglobin concentration, and other related factors. Treatment varies depending on the underlying cause but may include dietary changes, supplements, or medications. In some cases, more serious interventions may be necessary, such as blood transfusions or treatments for associated conditions. If you suspect you have anemia, it's essential to consult a healthcare professional for appropriate evaluation and management.

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 plays a crucial role in multiple bodily functions, including immune response and cell division, but its direct impact on anemia is more complex. While zinc deficiency can lead to various health issues, including some forms of anemia, it is not a primary treatment for anemia itself. The most common type of anemia, iron-deficiency anemia, requires an increased intake of iron along with other supportive vitamins such as vitamin B12 and folic acid. Zinc does contribute to overall nutritional balance and can support hematopoiesis (the production of blood cells), but increasing zinc intake alone is not a solution for those suffering from anemia.

If you suspect or have been diagnosed with anemia, it's essential to consult with a healthcare professional to determine the most appropriate treatment plan tailored specifically to your needs. They may recommend dietary changes, supplements, or other interventions based on the type and underlying causes of anemia. In summary, while zinc can play a supportive role in maintaining overall health and could potentially impact certain types of anemia derived from deficiencies, it should not be seen as a standalone solution for managing this condition.

Based on user reviews, those taking this supplement for anemia typically report noticeable improvements within a few weeks to a couple of months. For example, one user indicated that they experienced significant improvements in their anemia symptoms within this timeframe, highlighting the supplement's impact when combined with iron tablets (Read Review). Similarly, another reviewer stated their anemia greatly improved after consistent use, which underscores the efficacy of the supplement when taken regularly (Read Review).

Additionally, users have noted that the benefits extend beyond just alleviating anemia; improvements in overall well-being and energy levels were also reported (Read Review). While individual experiences may vary based on health conditions and concurrent treatments, it appears that with consistent intake, many users begin to see and feel the effects within a relatively short period, making it a popular choice for those struggling with anemia.

The scientific research surrounding zinc supplementation for anemia presents a mixed picture. A study focusing on young Bangladeshi children demonstrated that micronutrient powders containing zinc led to a notable decrease in anemia prevalence, from 54.1% to 32.6% over 24 weeks. However, it was difficult to pinpoint zinc’s specific contribution since the intervention also included other crucial nutrients [1]. Similarly, a case study involving a patient on clozapine therapy who developed severe anemia highlighted zinc's potential benefits; her hemoglobin levels improved after zinc supplementation, suggesting a positive impact on her condition [2].

On the other hand, research examining the effect of zinc in adults with HIV on antiretroviral therapy revealed that zinc supplementation had little to no significant effect on hemoglobin levels [4]. Another review suggested that zinc alone may not be the sole solution for reducing anemia, although it plays a role alongside other critical nutrients [3]. Therefore, while zinc shows promise in certain settings, its isolated effectiveness in anemia management is inconclusive, indicating a need for further research to clarify its role within broader nutritional strategies.

Users report a range of improvements in symptoms related to anemia after incorporating this supplement into their routines. Many have noted significant alleviation of anemia symptoms, with one user highlighting substantial recovery particularly when taken alongside iron tablets (Read Review). Another reviewer mentioned that it was a "lifesaver" during pregnancy, indicating enhanced immunity as a bonus benefit (Read Review). Reviews consistently convey that users who regularly take the supplement experience better energy levels and overall well-being, with one individual expressing that it energizes them from within, providing motivation to maintain their routine (Read Review).

In addition to anemia relief, users have also observed improvements in other areas, such as nail strength and potentially hair quality, although experiences can vary widely. For instance, one reviewer noted that their nails have grown stronger since starting the supplement, linking this observation back to their anemia condition (Read Review). While these anecdotal reports reflect positive outcomes for many, it’s important to recognize that individual results may differ based on personal health factors and treatment combinations.

Users report positive effects when combining this supplement with other treatments for managing anemia, notably iron tablets. One user highlighted significant improvements in their anemia symptoms when using this supplement alongside iron supplements, emphasizing its efficiency in enhancing overall well-being (Read Review). Another reviewer specifically noted that the supplement proved invaluable during pregnancy, helping to combat anemia and enhance immunity, further underlining its synergistic potential when combined with additional nutrients (Read Review).

Moreover, users have commented on the efficacy of the supplement when taken with other vitamins, such as omega-3, to additionally prevent anemia (Read Review). There are mentions of improvements in general health aspects, such as skin and nail strength, linking back to improved nutrition and anemia management (Read Review). Overall, the reviews suggest that many individuals benefit from a multi-faceted approach to treating anemia, finding value in combining this supplement with others.

Based on user reviews, many customers reported positive experiences with zinc for treating anemia, highlighting the importance of dosage. One review indicated that a dose of 50mg was beneficial and noted that it exceeds the recommended daily intake, suggesting it is effective when combined with other treatments for anemia (Read Review). Users found that taking zinc supplements daily not only alleviated their anemia symptoms but also contributed to improved overall health and energy levels, making it a worthwhile addition to their routines (Read Review).

Others emphasized the synergy of zinc with iron supplementation, revealing that such combinations can lead to substantial improvements in anemia, particularly in cases linked to menstruation or pregnancy (Read Review) (Read Review). Overall, users advocate for finding the right dose tailored to individual needs to effectively combat anemia while also enjoying additional benefits like enhanced immunity and improved hair and skin condition.

9.5
Improved complexion
I experienced significant hair loss and had anemia from menstruation, prompting me to buy this supplement. Alongside iron tablets, I noticed a substantial improvement in my anemia! My complexion has benefited greatly, although I'm still unsure about the effect on my hair quality. However, the cost-effectiveness is appealing, leading me to consider continuing with it.
8.3
Severe anemia improved
My anemia has significantly improved! The tablet is easy to swallow. I take one daily, and this has notably alleviated my severe symptoms. I intend to keep using it, as the price and quality are both commendable.
9.5
Boosts energy
I drink this every morning! I believe the best way to alleviate my anemia and improve my wellbeing is to incorporate this supplement. It energises me from within, and I never skip my dose.
10
Saved during pregnancy
This has been a lifesaver! Zinc helped me combat anemia during pregnancy when I faced a significant deficiency. It enhances immunity too, thus preventing further anemia. The quality is commendable relative to the price.
6.8
Nail growth improvement
My nails have strengthened! Since I started this supplement, they've grown noticeably. While I am unsure about my hair growth, my sister noted that the residual blood in my hair and nails may be accelerating their growth, suggesting it helps with my anemia too.
8.8
Helps with anemia
Zinc is in an excellent dose of 50mg, which exceeds the recommended daily intake. It is beneficial for hair, skin, and nails, particularly when combining it with other treatments for anemia. Men can also use it for health purposes. Thank you, iHerb; I'm very satisfied with my purchase!
8
Zinc improves anaemia outcomes
We set out to explore how zinc, through micronutrient powders (MNPs), influences anaemia in young children, particularly in Bangladesh, where high rates of anaemia persist. In a well-structured trial, we observed children aged 9-11 months receiving daily doses of MNPs for 24 weeks. Initially, a staggering 54.1% of these children had anaemia, characterized by low hemoglobin levels.

At the end of the study, anaemia prevalence decreased to 32.6%, indicating some positive effects of the MNPs, which included zinc as one of their components. However, while we found various factors associated with anaemia—like underweight status and frequent illness—it's crucial to note that we could not isolate the specific impact of zinc on anaemia from other nutritional interventions included in the powders.

Overall, we acknowledged that while MNPs contribute to addressing anaemia, they should be part of a broader strategy that encompasses other factors impacting health and nutrition. This comprehensive approach ensures effective prevention and control of anaemia in vulnerable populations.
We observed an intriguing case involving a 51-year-old woman diagnosed with treatment-resistant schizophrenia (TRS) who developed severe anemia while undergoing clozapine therapy. This case highlights the complex relationship between clozapine, a potent antipsychotic, and zinc deficiency. Through identifying zinc deficiency as a possible contributing factor to the anemia, we explored how zinc supplementation could play a pivotal role in restoring hemoglobin levels.

Following zinc supplementation, we noted impressive improvements in her hemoglobin, allowing the patient to continue her clozapine at a therapeutic dosage. Remarkably, she has shown stability since, with no signs of recurrent anemia. While clozapine can lead to various complications, including anemia, this case suggests that addressing zinc levels may be critical for patients receiving this treatment.

However, we must acknowledge that the exact mechanism linking zinc deficiency and clozapine-related anemia remains unclear. Thus, further investigation is warranted to fully understand this relationship and the potential of zinc in managing anemia, particularly in patients on clozapine.
4
Zinc's uncertain effect on anemia
We examined how zinc supplementation affects anemia in people living with HIV who are on antiretroviral therapy. This review included various studies that looked at the relationship between zinc intake and anemia outcomes.

Overall, the findings suggest that zinc supplementation had little to no significant effect on hemoglobin levels, which is one of the key indicators of anemia. Although the study indicated some uncertainty regarding its impact, we found that as serum zinc levels increased by 10 µg/dL, the expected increase in CD4 lymphocyte count slightly decreased.

This means that while zinc may play a role in immune health, its direct effect on alleviating anemia in this population is not clearly defined. It’s important to note that the evidence surrounding zinc and its impact on hemoglobin concentration remains inconclusive, and further research is needed to clarify its role.
We explored the impact of zinc treatment on anemia, particularly focusing on preterm and low birth weight infants in low- and middle-income countries. Previous evidence suggested a strong correlation between zinc supplementation and the reduction of anemia rates.

Our review revealed that adding zinc, along with other micronutrients, seems to show promising benefits. Specifically, it can help reduce levels of anemia in vulnerable populations, contributing to better health outcomes.

What's important to note is that benefits from zinc supplementation were often accompanied by other nutrients, making it challenging to isolate its specific effectiveness. Nevertheless, the consensus indicates that zinc, along with iron and vitamin A, plays a supportive role in promoting overall growth and reducing complications related to anemia.

Therefore, while we didn't claim that zinc alone is a catch-all solution, it does hold significant promise when combined with a broader nutritional strategy. This highlights the essential need for ongoing research into micronutrient supplementation in these high-risk groups.

References

  1. Thompson L, Arnold C, Peerson J, Long JM, Westcott JLE, et al. Predictors of Anaemia Among Young Children Receiving Daily Micronutrient Powders (MNPs) for 24 Weeks in Bangladesh: A Secondary Analysis of the Zinc in Powders Trial. Matern Child Nutr. 2025. doi:10.1111/mcn.13806
  2. Matsuo-Yamamoto K, Uenishi S, Ishiyama Y, Yamada S, Kitabata Y, et al. Successful Clozapine Treatment for Treatment-Resistant Schizophrenia With Zinc Deficiency Severe Anemia: A Case Report. Neuropsychopharmacol Rep. 2025;45:e12526. doi:10.1002/npr2.12526
  3. Azhar M, Yasin R, Hanif S, Bughio SA, Das JK, et al. Nutritional Management of Low Birth Weight and Preterm Infants in Low- and Low Middle-Income Countries. Neonatology. 2025;122:209. doi:10.1159/000542154
  4. Okoka EM, Kuyebi MA, Oyadiran OT, Okusanya TR, Onaku E, et al. Effect of Micronutrients on HIV-Related Clinical Outcomes Among Adults Living With HIV on Antiretroviral Therapy: Systematic Review and Meta-analysis. Nutr Rev. 2024. doi:10.1093/nutrit/nuae171
  5. Vicente IST, Fleuri LF, Xavier WDS, Guimarães MG, de Carvalho PLPF, et al. The Effects of Dietary Orange Peel Fragments Enriched with Zinc and Vitamins C and E on the Antioxidant and Immune Responses of Nile Tilapia under Stress Conditions. Animals (Basel). 2024;14. doi:10.3390/ani14202962
  6. Inoue M. Zinc Deficiency Presenting With Diverse Symptoms in a Young Patient: A Case Report. Cureus. 2024;16:e66034. doi:10.7759/cureus.66034
  7. Mohammad Shafiee S, Amiri F, Yousefi F, Akbari Nasab N. Pro-Oxidant/ Antioxidant Balance Correlates with Red Blood Cell Indices and Anemia Severity in the Anemic Patients. Rep Biochem Mol Biol. 2024;12:609. doi:10.61186/rbmb.12.4.609
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