Research Authors

Overview

SCIENTIFIC SCORE
Questionable
Based on 4 Researches
5.5
USERS' SCORE
Moderately Good
Based on 20 Reviews
7.8
Supplement Facts
Serving Size:   1 Tablet
Amount Per Serving
%DV
Zinc (as zinc glycinate amino acid chelate†)
22 mg
200%

Top Medical Research Studies

7
Zinc treatment reduces nausea risk
We conducted a study to evaluate how effective NPC-25, a new form of zinc, is compared to a well-known treatment, NOBELZIN™, for patients with low zinc levels. Participants in this trial had their zinc levels checked and were grouped to receive either NPC-25 or NOBELZIN™.

For a period of up to 24 weeks, we aimed to maintain their zinc levels within a specific target range while closely monitoring for side effects. One of our main goals was to see if NPC-25 could maintain these target zinc levels similarly to NOBELZIN™.

Our findings revealed that NPC-25 was indeed non-inferior to NOBELZIN™, meaning it worked just as well. Importantly, we also observed that those taking NPC-25 reported fewer digestive issues, like nausea and vomiting. This suggests that while both treatments were effective, NPC-25 might be the gentler option.
Read More
7
Zinc treatment in hypozincemia study
We explored the impact of zinc acetate dihydrate on several symptoms, including nausea, through a comprehensive study that assessed its safety and effectiveness for treating hypozincemia over a 52-week period. From the data collected, we observed an overall adverse reaction rate of 9.4%, with nausea reported in 1.4% of patients.

Despite nausea being a concern, the benefit of zinc acetate dihydrate for other indications was notable, with an efficacy rate of 83%. For patients experiencing symptoms such as pressure ulcers or stomatitis, the effectiveness was strikingly high. However, the specific effect of zinc on nausea is not definitively isolated within the study results, making it hard to gauge its direct and unique benefits.

In essence, while zinc acetate dihydrate shows promise for a variety of symptoms, including nausea, the evidence does not conclusively highlight its effectiveness for this particular issue on its own. Overall, it appears that zinc treatment can contribute positively to addressing several related health problems.
Read More
4
Zinc affects post-op nausea minimally
We explored the effectiveness of zinc-impregnated pharyngeal packs in reducing post-operative nausea and sore throat among patients undergoing septorhinoplasty. In this study, we divided 220 patients into four groups, each receiving different types of pharyngeal packs: normal saline-impregnated vibril, normal saline-impregnated gauze, zinc solution-impregnated vibril, and zinc solution-impregnated gauze.

Our findings revealed that there was no significant difference between the groups regarding the occurrence of sore throat shortly after surgery and at various intervals thereafter. However, we did observe that those using zinc solution-impregnated gauze experienced significantly less severity of nausea two hours post-surgery compared to those using normal saline-impregnated gauze. Ultimately, while zinc did not help with sore throat, it showed promise in alleviating nausea.
Read More

Most Useful Reviews

0
Nausea experienced
2 people found this helpful
I’m not impressed with this zinc as it causes headaches and nausea. I've taken it for two weeks in hopes of strengthening my hair, yet I've seen no results.
Read More
9
No nausea
1 people found this helpful
Very good and affordable! I've been using it for a year and find it beneficial to my health. It’s easy to take, and I have experienced no nausea when consumed after meals.
Read More
9
No nausea
This zinc comes in a large jar and is easy to take. I didn't experience the usual nausea often associated with zinc. It’s an effective daily dose, positively impacting my immune and hormonal systems.
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 4 Researches
5.5
  • All Researches
7
Zinc treatment reduces nausea risk
We conducted a study to evaluate how effective NPC-25, a new form of zinc, is compared to a well-known treatment, NOBELZIN™, for patients with low zinc levels. Participants in this trial had their zinc levels checked and were grouped to receive either NPC-25 or NOBELZIN™.

For a period of up to 24 weeks, we aimed to maintain their zinc levels within a specific target range while closely monitoring for side effects. One of our main goals was to see if NPC-25 could maintain these target zinc levels similarly to NOBELZIN™.

Our findings revealed that NPC-25 was indeed non-inferior to NOBELZIN™, meaning it worked just as well. Importantly, we also observed that those taking NPC-25 reported fewer digestive issues, like nausea and vomiting. This suggests that while both treatments were effective, NPC-25 might be the gentler option.
Read More
7
Zinc treatment in hypozincemia study
We explored the impact of zinc acetate dihydrate on several symptoms, including nausea, through a comprehensive study that assessed its safety and effectiveness for treating hypozincemia over a 52-week period. From the data collected, we observed an overall adverse reaction rate of 9.4%, with nausea reported in 1.4% of patients.

Despite nausea being a concern, the benefit of zinc acetate dihydrate for other indications was notable, with an efficacy rate of 83%. For patients experiencing symptoms such as pressure ulcers or stomatitis, the effectiveness was strikingly high. However, the specific effect of zinc on nausea is not definitively isolated within the study results, making it hard to gauge its direct and unique benefits.

In essence, while zinc acetate dihydrate shows promise for a variety of symptoms, including nausea, the evidence does not conclusively highlight its effectiveness for this particular issue on its own. Overall, it appears that zinc treatment can contribute positively to addressing several related health problems.
Read More
4
Zinc affects post-op nausea minimally
We explored the effectiveness of zinc-impregnated pharyngeal packs in reducing post-operative nausea and sore throat among patients undergoing septorhinoplasty. In this study, we divided 220 patients into four groups, each receiving different types of pharyngeal packs: normal saline-impregnated vibril, normal saline-impregnated gauze, zinc solution-impregnated vibril, and zinc solution-impregnated gauze.

Our findings revealed that there was no significant difference between the groups regarding the occurrence of sore throat shortly after surgery and at various intervals thereafter. However, we did observe that those using zinc solution-impregnated gauze experienced significantly less severity of nausea two hours post-surgery compared to those using normal saline-impregnated gauze. Ultimately, while zinc did not help with sore throat, it showed promise in alleviating nausea.
Read More
4
Zinc's tolerability in diarrhoea treatment
We aimed to understand how zinc tablets, often recommended for treating diarrhoea in young children, affect nausea and overall treatment adherence. In this open-label study, we involved children aged 3 to 59 months who visited the outpatient department at Dhaka Hospital.

Our findings revealed that a significant number of children, about 92.7%, tolerated the modified zinc tablets well. However, we also noted that 32.8% of the children experienced vomiting, and 19.5% had regurgitation, while a smaller number, 7.4%, reported nausea. Interestingly, despite these side effects, a remarkable 99.3% of caregivers expressed their willingness to continue using this zinc formulation in the future.

Overall, while our study demonstrated that the modified zinc formulation was generally well-tolerated, we cannot overlook the considerable instances of nausea and vomiting experienced by the children. Balancing these side effects with the willingness of caregivers offers a complex view of zinc's role in diarrhoea management.
Read More

User Reviews

USERS' SCORE
Moderately Good
Based on 20 Reviews
7.8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
0
Nausea experienced
2 people found this helpful
I’m not impressed with this zinc as it causes headaches and nausea. I've taken it for two weeks in hopes of strengthening my hair, yet I've seen no results.
Read More
9
No nausea
1 people found this helpful
Very good and affordable! I've been using it for a year and find it beneficial to my health. It’s easy to take, and I have experienced no nausea when consumed after meals.
Read More
9
No nausea
This zinc comes in a large jar and is easy to take. I didn't experience the usual nausea often associated with zinc. It’s an effective daily dose, positively impacting my immune and hormonal systems.
Read More
9
No nausea
Good zinc! I have not experienced nausea after taking it.
Read More
9
No nausea observed
A wonderful form of zinc! It is crucial during the pandemic for boosting the immune system, even surpassing vitamin C. I've noted excellent relief from symptoms, and I advise doubling the intake currently. It's vital to take zinc with a hearty meal to avoid nausea. Many who experience nausea are likely using it incorrectly. Consider taking 3 capsules, especially a citrated or picolinate form for better absorption.
Read More

Frequently Asked Questions

9
No nausea felt
Hi everyone, today I'd like to discuss Zinc Picolinate from Solgar. This trace element is often overlooked, yet it assists women in balancing hormones, enhancing mood, and improving skin and hair. After 2.5 months of taking it, I feel calmer, my hair loss has ceased, and my skin has improved. I experienced no nausea or dizziness, taking just one tablet daily as suggested by the manufacturer.
8
Hair restoration
2 people found this helpful
This is a high-quality vitamin! After ten days, my hair stopped falling out. To avoid nausea, I recommend taking it after meals. Zinc is essential for the immune system, aiding in healing and protecting against cell damage. Vulnerable groups may experience a deficiency, so it's crucial!
9
No nausea effect
Very good! Taking it with food prevents nausea.
0
Nausea persist
This did not suit me; I felt nausea regardless of whether I had eaten.
0
Nausea experienced
2 people found this helpful
I’m not impressed with this zinc as it causes headaches and nausea. I've taken it for two weeks in hopes of strengthening my hair, yet I've seen no results.
8
Skin improvement
10 people found this helpful
Lovely but not perfect! Zinc is crucial for metabolism and various biochemical processes, including skin regeneration and hair growth. It has improved my skin and hair condition while reducing oiliness and acne. I experience nausea sometimes, so I recommend taking zinc an hour before meals or two hours after, ideally with vitamin C for better absorption. Wishing everyone good health!
9
No nausea
1 people found this helpful
Very good and affordable! I've been using it for a year and find it beneficial to my health. It’s easy to take, and I have experienced no nausea when consumed after meals.
7.5
Immune support
1 people found this helpful
Good zinc! It is well absorbed. I take it with selenium and vitamin E to support my immune system. Always consume it on a full stomach to avoid nausea—definitely works!
9
No nausea observed
A wonderful form of zinc! It is crucial during the pandemic for boosting the immune system, even surpassing vitamin C. I've noted excellent relief from symptoms, and I advise doubling the intake currently. It's vital to take zinc with a hearty meal to avoid nausea. Many who experience nausea are likely using it incorrectly. Consider taking 3 capsules, especially a citrated or picolinate form for better absorption.
6
Causes nausea sometimes
Zinc glycinate is a good form; it's highly digestible. The suggested dosage is 22 mg per tablet. You can take up to 50 mg daily. If you catch a cold, you might take three tablets at once, but it could cause nausea if taken on a full stomach.
4
Zinc affects post-op nausea minimally
We explored the effectiveness of zinc-impregnated pharyngeal packs in reducing post-operative nausea and sore throat among patients undergoing septorhinoplasty. In this study, we divided 220 patients into four groups, each receiving different types of pharyngeal packs: normal saline-impregnated vibril, normal saline-impregnated gauze, zinc solution-impregnated vibril, and zinc solution-impregnated gauze.

Our findings revealed that there was no significant difference between the groups regarding the occurrence of sore throat shortly after surgery and at various intervals thereafter. However, we did observe that those using zinc solution-impregnated gauze experienced significantly less severity of nausea two hours post-surgery compared to those using normal saline-impregnated gauze. Ultimately, while zinc did not help with sore throat, it showed promise in alleviating nausea.
7
Zinc treatment in hypozincemia study
We explored the impact of zinc acetate dihydrate on several symptoms, including nausea, through a comprehensive study that assessed its safety and effectiveness for treating hypozincemia over a 52-week period. From the data collected, we observed an overall adverse reaction rate of 9.4%, with nausea reported in 1.4% of patients.

Despite nausea being a concern, the benefit of zinc acetate dihydrate for other indications was notable, with an efficacy rate of 83%. For patients experiencing symptoms such as pressure ulcers or stomatitis, the effectiveness was strikingly high. However, the specific effect of zinc on nausea is not definitively isolated within the study results, making it hard to gauge its direct and unique benefits.

In essence, while zinc acetate dihydrate shows promise for a variety of symptoms, including nausea, the evidence does not conclusively highlight its effectiveness for this particular issue on its own. Overall, it appears that zinc treatment can contribute positively to addressing several related health problems.
4
Zinc's tolerability in diarrhoea treatment
We aimed to understand how zinc tablets, often recommended for treating diarrhoea in young children, affect nausea and overall treatment adherence. In this open-label study, we involved children aged 3 to 59 months who visited the outpatient department at Dhaka Hospital.

Our findings revealed that a significant number of children, about 92.7%, tolerated the modified zinc tablets well. However, we also noted that 32.8% of the children experienced vomiting, and 19.5% had regurgitation, while a smaller number, 7.4%, reported nausea. Interestingly, despite these side effects, a remarkable 99.3% of caregivers expressed their willingness to continue using this zinc formulation in the future.

Overall, while our study demonstrated that the modified zinc formulation was generally well-tolerated, we cannot overlook the considerable instances of nausea and vomiting experienced by the children. Balancing these side effects with the willingness of caregivers offers a complex view of zinc's role in diarrhoea management.

References

  1. Asaoka D, Ishihara T, Ezoe S, Hamada I, Kitamura M, et al. Randomized, multicenter, active-controlled open-label study of NPC-25, zinc histidine hydrate, (non-inferiority to NOBELZIN™, zinc acetate dihydrate) for patients with hypozincemia. J Trace Elem Med Biol. 2025;87:127558. 10.1016/j.jtemb.2024.127558
  2. Ezoe S, Ishihara T, Hosogai T, Kokubo T. Post-marketing surveillance of zinc acetate dihydrate for hypozincemia in Japan. Pharmazie. 2024;79:29. 10.1691/ph.2024.3630
  3. Parvizi A, Haddadi S, Akbari M, Akbarpour M, Taghipour Rudsari F, et al. Comparing the Effect of Zinc-impregnated Pharyngeal Packs with Conventional Methods on the Level of Sore Throat Among Patients Undergoing Septorhinoplasty. Anesth Pain Med. 2022;12:e127262. 10.5812/aapm-127262
  4. Nuzhat S, Ahmed T, Alam J, Billal SM, Khan AI, et al. New formulation zinc sulphate acceptability and adherence in children with acute diarrhoea: A prospective, open-label, interventional study in Bangladesh. J Paediatr Child Health. 2022;58:1215. 10.1111/jpc.15953
image