Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 9 Researches
7.6
USERS' SCORE
Good
Based on 271 Reviews
8.9
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

9
Zinc shows promise for hair loss
We explored how zinc acetate hydrate impacts hair loss for patients experiencing symptoms after COVID-19. In our analysis, we looked at 120 symptomatic outpatients over 12 weeks, observing their recovery patterns and any improvements in their symptoms. The focus was on various lingering effects, including fatigue and hair loss, particularly how zinc could potentially alleviate these issues.

Our findings highlighted significant improvements in hair loss for those treated with zinc acetate hydrate at multiple checkpoints (4, 8, and 12 weeks) compared to those who did not receive this treatment. The results were statistically significant and suggested that zinc could be a useful option for those struggling with hair loss post-COVID-19.

Additionally, we noted improvements in fatigue among those receiving zinc, although this was not as pronounced at all time intervals. As a whole, our study emphasized zinc's beneficial effects, particularly for hair loss, providing promising insights for anyone dealing with these challenging post-viral symptoms.
Read More
7
Zinc's limited impact on hair loss
We explored the impact of zinc on hair loss, focusing on its isolated effect rather than in combination with other treatments. Through the study, we carefully examined how zinc supplementation can influence hair health and address thinning or loss.

Our findings revealed that while zinc is often suggested as a potential remedy, the evidence supporting its effectiveness for hair loss was limited. The study did not find strong results indicating that zinc alone had a significant positive impact on hair regrowth or thickness.

This highlights the need for further investigation into how zinc interacts with other factors that might contribute to hair health. Therefore, while zinc might play a role in some instances, we should approach it with a balanced view regarding its effectiveness in tackling hair loss.
Read More
We investigated the connection between zinc levels and hair loss among Kurdish adults, focusing on various hair loss types like alopecia areata and telogen effluvium. By examining a group of 125 individuals with hair loss, we compared their serum zinc levels to a control group of 75 age and sex-matched healthy subjects.

Our findings revealed that individuals experiencing hair loss had significantly lower levels of zinc in their blood compared to those without hair loss. Interestingly, the group suffering from telogen effluvium exhibited the lowest zinc levels in our study. We also noted that a portion of those with hair loss experienced severe or mild-to-moderate zinc deficiency, a stark contrast to the control group. Overall, our research indicates that zinc deficiency may play a role in contributing to hair loss in the Kurdish population, especially for conditions like alopecia areata and telogen effluvium. Therefore, maintaining healthy zinc levels could be vital for hair health.
Read More

Most Useful Reviews

9.5
Tremendous impact
An excellent Zinc form for absorption. I've been using it for hair loss, and it has helped tremendously. Through research, I realised I have Copper overload. After taking this with Manganese and Vitamin C, my hair is growing back, my nervousness decreased, and I feel much more energetic and clear-headed.
Read More
9.5
Hair loss reduced
I highly recommend zinc picolinate as a vital dietary supplement! After a month and a half, I've seen remarkable results—my face is free from inflammation after struggling with it for three years. Combining it with body cleansing products made a significant difference! Additionally, my nails have become stronger, and hair loss has greatly decreased. I'm genuinely pleased and now a regular iHerb customer!
Read More
9.5
Effective hair treatment
On my doctor’s suggestion, I started zinc for severe hair loss due to androgenic alopecia, along with Saw Palmetto. Within four months, my hair loss ceased. I continue as supportive therapy, along with my family, from October to April to strengthen our immune responses.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 9 Researches
7.6
  • All Researches
9
Zinc-enhanced hair growth treatment
We designed a microneedle patch that contains zinc and curcumin, aiming to assess how these ingredients work together to promote hair growth. In our study, we utilized two different animal models to examine the effectiveness of this patch. One model represented androgenic alopecia (AGA), and the other focused on wound healing.

By delivering bioactive zinc particles directly into the skin, we explored how this method could enhance hair regrowth. Our findings showed that the zinc-curcumin combination significantly improved the viability of certain skin cells and countered the negative effects of common hair loss factors, like excess reactive oxygen species and dihydrotestosterone.

Most strikingly, the treatment not only encouraged hair regrowth in the AGA model but also facilitated wound healing. We noted an increase in hair follicles and better cell proliferation, which points to zinc's potential role in supporting both hair health and skin recovery. Overall, our research suggests a promising direction in the use of zinc for addressing hair loss and skin healing more effectively than traditional methods alone.
Read More
9
Zinc shows promise for hair loss
We explored how zinc acetate hydrate impacts hair loss for patients experiencing symptoms after COVID-19. In our analysis, we looked at 120 symptomatic outpatients over 12 weeks, observing their recovery patterns and any improvements in their symptoms. The focus was on various lingering effects, including fatigue and hair loss, particularly how zinc could potentially alleviate these issues.

Our findings highlighted significant improvements in hair loss for those treated with zinc acetate hydrate at multiple checkpoints (4, 8, and 12 weeks) compared to those who did not receive this treatment. The results were statistically significant and suggested that zinc could be a useful option for those struggling with hair loss post-COVID-19.

Additionally, we noted improvements in fatigue among those receiving zinc, although this was not as pronounced at all time intervals. As a whole, our study emphasized zinc's beneficial effects, particularly for hair loss, providing promising insights for anyone dealing with these challenging post-viral symptoms.
Read More
8
Zinc's potential in hair loss treatments
We explored the effects of an oral supplement containing zinc, arginine, l-cystine, and vitamin B6 on patients suffering from telogen effluvium (TE), a common type of hair loss. Over three months, we followed 20 individuals who took the supplement four times daily.

To measure the treatment's effectiveness, we assessed hair growth in several ways, including clinical evaluations and trichoscopy, which checks hair density and width. After the treatment period, we noted significant improvements, with patients reporting positive changes and researchers observing increased hair quantity and diameter.

While zinc is one of the key ingredients in the supplement, the overall improvement we saw is due to its combination with other nutrients. Therefore, isolating zinc's direct effect specifically on hair growth is challenging. It seems that this supplement could be a useful addition to managing TE, but we cannot conclude solely on zinc's efficacy without further targeted studies.
Read More
7
Zinc levels affect hair loss risk
We examined the connection between serum zinc levels and alopecia areata (AA), an autoimmune condition that causes hair loss in about 0.5% to 2% of the population. Our research analyzed 34 studies involving nearly 5,000 participants across 16 countries to understand how zinc might influence AA.

Our findings indicated that people with AA had significantly lower levels of zinc compared to healthy individuals. Specifically, there was a notable difference of about 0.69 micrograms per deciliter, suggesting a potential link between zinc deficiency and the risk of developing this condition. Additionally, we discovered that a deficiency in vitamin D was also associated with an increased risk of AA.

While these results hint that zinc supplementation could play a role in treating alopecia areata, it's important to note that we did not isolate zinc treatment from other variables. Therefore, while we found a connection, we cannot definitively say that zinc alone will resolve hair loss issues for those affected by AA.

In conclusion, our research emphasizes the importance of monitoring micronutrient levels like zinc and vitamin D in relation to alopecia areata. More focused treatments could emerge as we continue to explore these relationships.
Read More
7
Zinc's limited impact on hair loss
We explored the impact of zinc on hair loss, focusing on its isolated effect rather than in combination with other treatments. Through the study, we carefully examined how zinc supplementation can influence hair health and address thinning or loss.

Our findings revealed that while zinc is often suggested as a potential remedy, the evidence supporting its effectiveness for hair loss was limited. The study did not find strong results indicating that zinc alone had a significant positive impact on hair regrowth or thickness.

This highlights the need for further investigation into how zinc interacts with other factors that might contribute to hair health. Therefore, while zinc might play a role in some instances, we should approach it with a balanced view regarding its effectiveness in tackling hair loss.
Read More

User Reviews

USERS' SCORE
Good
Based on 271 Reviews
8.9
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Tremendous impact
An excellent Zinc form for absorption. I've been using it for hair loss, and it has helped tremendously. Through research, I realised I have Copper overload. After taking this with Manganese and Vitamin C, my hair is growing back, my nervousness decreased, and I feel much more energetic and clear-headed.
Read More
9.5
Hair loss reduced
I highly recommend zinc picolinate as a vital dietary supplement! After a month and a half, I've seen remarkable results—my face is free from inflammation after struggling with it for three years. Combining it with body cleansing products made a significant difference! Additionally, my nails have become stronger, and hair loss has greatly decreased. I'm genuinely pleased and now a regular iHerb customer!
Read More
9.5
Effective hair treatment
On my doctor’s suggestion, I started zinc for severe hair loss due to androgenic alopecia, along with Saw Palmetto. Within four months, my hair loss ceased. I continue as supportive therapy, along with my family, from October to April to strengthen our immune responses.
Read More
9.5
Stopped hair loss
Useful product! I used it alongside vitamin C and iron, experiencing remarkable results in alleviating stress-induced hair loss post-Corona, with healthy new hair emerging in three months. The doctor recommended taking it on an empty stomach or after a light meal. It’s high quality for the price.
Read More
9.5
Strong hair growth
Just 5+! I have been taking zinc for half a month, and I’ve noticed positive changes. I feel calmer and my nerves are stronger. I no longer have cravings for sweets. My hair loss has ceased and I am experiencing remarkable hair growth, which I am incredibly pleased about. My skin condition has also improved, while former single inflammations have disappeared.
Read More

Frequently Asked Questions

Hair loss, also known as alopecia, is a common condition that affects both men and women, characterized by the thinning or complete loss of hair from the scalp or other areas of the body. It can occur due to various factors, including genetics, hormonal changes, medical conditions, and environmental factors. The most prevalent type of hair loss is androgenetic alopecia, often referred to as male or female pattern baldness, which typically results in a receding hairline or thinning crown in men and overall thinning in women.

In addition to genetic predisposition, hair loss can be triggered by stress, poor diet, certain medications, and underlying health issues such as thyroid disorders or autoimmune diseases. There are various treatment options available, ranging from over-the-counter products like minoxidil to prescription medications and hair restoration procedures, depending on the severity and cause of hair loss. It's crucial to consult with a healthcare professional to determine the most appropriate treatment plan tailored to individual needs and conditions.

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.

While zinc is an essential mineral that plays a vital role in various bodily functions, including immune system support and protein synthesis, its direct link to hair loss treatment isn't definitively established. Some studies suggest that zinc deficiency may be associated with hair thinning and loss, particularly in certain populations. Supplementation of zinc may promote healthier hair growth, especially in those who are deficient in this mineral. However, it’s important to approach zinc supplementation with caution, as excessive intake can lead to negative side effects, including nausea and impaired immune function.

If you're considering zinc for hair loss, it’s advisable to consult with a healthcare provider or a dermatologist. They can evaluate your specific condition and might recommend blood tests to check your zinc levels. Additionally, they may suggest holistic approaches alongside any potential supplementation, such as a well-balanced diet rich in nutrients that support hair health, including proteins, omega-3 fatty acids, and vitamins A, C, D, and E. Remember, hair loss can stem from various factors, and an individualized approach is usually the best course.

Based on user reviews, the timeline for seeing results from taking zinc supplements for hair loss can vary between a few days to several months. Some users reported significant improvements within just days; for example, one reviewer experienced a cessation in hair loss after only three days of use (Read Review). Others noted improvements after a couple of weeks, with one user observing their hair loss stopping within just two weeks of starting the supplement (Read Review).

In contrast, several others experienced more gradual results, taking anywhere from one to four months to see noticeable changes. For instance, users reported improvements in hair growth and reduction in hair loss after one and a half months (Read Review) and a complete halt in hair loss observed after four months (Read Review). Therefore, individual results may vary significantly, but many users have found zinc effective in promoting healthier hair over time.

The scientific evidence regarding the role of zinc in addressing hair loss presents a complex picture. Several studies suggest a correlation between zinc deficiency and various forms of hair loss, such as alopecia areata and telogen effluvium. For instance, research indicates that individuals with alopecia areata have significantly lower zinc levels compared to healthy controls, hinting that zinc supplementation could be beneficial in such cases [1]. Additionally, findings from studies involving chronic telogen effluvium demonstrate a notable deficiency of zinc among affected individuals, further supporting the idea that maintaining sufficient zinc levels may be crucial for hair health [4].

However, evidence supporting the effectiveness of zinc supplementation in promoting hair regrowth is not universally strong. Multiple studies indicate that while zinc might be linked to improved hair health, its isolated impact may be limited [2]. In one specific study involving a zinc supplement combined with other nutrients, significant improvements were observed, although attributing success solely to zinc is problematic [7]. As such, while there is compelling evidence pointing to zinc's potential role in hair loss management, particularly in cases of deficiency, further research is needed to fully understand its efficacy as a standalone treatment.

Based on user reviews, many individuals have reported significant improvements in their hair loss symptoms after incorporating zinc supplements into their routines. A number of users noted fast results; for instance, one person shared that their hair loss stopped within just three days of taking zinc (Read Review). Others experienced relief within two weeks, and several found that their hair regrowth began after three months of use alongside complementary nutrients like vitamin C and biotin (Read Review). In total, there is a consistent trend of users recognizing substantial reduction in hair loss and improved hair health.

Moreover, users have reported other benefits, such as stronger nails and clearer skin. One reviewer mentioned a remarkable reduction in skin inflammation and enhanced nail strength after a month and a half of use (Read Review). While improvement timelines and experiences can vary widely from individual to individual, the overall sentiment among users is one of heightened satisfaction with their hair quality and reduced hair loss, indicating that zinc may indeed be an effective supplement for managing these concerns.

Based on user reviews, many individuals have reported positive experiences when combining zinc supplements with other dietary aids for addressing hair loss. For instance, one user noted that taking zinc alongside vitamin C and iron significantly helped alleviate stress-induced hair loss, resulting in healthy new growth within three months (Read Review). Another reviewer highlighted the effectiveness of combining zinc with biotin and vitamin D, stating that their hair loss had markedly decreased despite ongoing chronic issues (Read Review). Similarly, a user reported combining zinc with omega-3, which contributed to a dramatic decrease in baldness and enhanced hair growth within three months (Read Review).

Additionally, some users emphasized that their doctors recommended combining zinc with other supplements for optimal results. For example, another user shared that zinc combined with Saw Palmetto led to a stop in hair loss after a few months (Read Review). The consensus suggests that while zinc can be effective on its own, its benefits may be enhanced when paired with other vitamins and minerals tailored to support hair growth.

Users have reported varying dosages of Zinc for effectively treating hair loss, with many finding success with specific amounts tailored to their individual needs. Some users mentioned taking as low as 15 to 25 mg daily, which they found sufficient for general health, while others, such as one user who had a zinc deficiency indicated by hair analysis, opted for a higher dose of 50 mg as recommended by their doctor ((Read Review)). This variation suggests that while higher doses might be necessary for some individuals, especially those with deficiencies, lower doses can be effective for general maintenance and prevention of hair loss.

Several users commented on the impact of zinc supplementation on their hair condition, often mentioning that they experienced a noticeable reduction in hair loss within a short period after starting their regimen. For instance, one user saw significant improvement in just a week and continued to use zinc to maintain their results ((Read Review)). Another highlighted the importance of consistency, noting that when they missed a dose, hair loss returned, indicating that maintaining the right dose is crucial ((Read Review)). Overall, it seems that users benefit from individualized dosing, possibly in the range of 15 to 50 mg daily, depending on personal health needs and recommendations from healthcare professionals.

9.5
Rapid hair recovery
In all honesty, my hair loss stopped within three days of taking zinc. I halted use out of concern for rising zinc levels, and I noticed my skin improving as well. Overall, while I am unsure about my immunity, I am grateful for the difference zinc made.
9.5
Hair loss recovery
After suffering severe hair loss post-corona, I sought zinc supplements. Within two weeks, my hair loss stopped, bringing me immense relief and happiness. Zinc truly has made a positive impact on my condition.
9.5
Hair loss reduced
I highly recommend zinc picolinate as a vital dietary supplement! After a month and a half, I've seen remarkable results—my face is free from inflammation after struggling with it for three years. Combining it with body cleansing products made a significant difference! Additionally, my nails have become stronger, and hair loss has greatly decreased. I'm genuinely pleased and now a regular iHerb customer!
9.5
Effective hair treatment
On my doctor’s suggestion, I started zinc for severe hair loss due to androgenic alopecia, along with Saw Palmetto. Within four months, my hair loss ceased. I continue as supportive therapy, along with my family, from October to April to strengthen our immune responses.
9.5
Stopped hair loss
Useful product! I used it alongside vitamin C and iron, experiencing remarkable results in alleviating stress-induced hair loss post-Corona, with healthy new hair emerging in three months. The doctor recommended taking it on an empty stomach or after a light meal. It’s high quality for the price.
9.5
Significantly decreased loss
This helped me with hair loss! In combination with Biotin and vitamin D, my hair loss has significantly decreased, despite chronic issues. I hope my experience aids someone too.
9.5
Stop hair loss
It's a miracle! After an unsuccessful haircut, zinc and omega 3 saved my hair. Within three months of taking them for hair loss, I saw a dramatic decrease in baldness and exceptional hair growth. I’ll order again and even share with friends as gifts.
8.8
Reduced hair loss
Perfectly fills the deficit! I purchased a high dosage of zinc picolinate at 50 mg due to a zinc deficiency found in my hair analysis. The doctor suggested this dosage. I noticed a significant reduction in the white dots on my nails, dryness, and hair loss as I consumed it. I also take it during colds, 1 capsule daily for 5 days, alongside vitamins C, D, and black elderberry, which hastens recovery. Zinc is essential for maintaining immunity, especially when combating viruses, though lower doses of 15 to 25 mg are sufficient for daily use.
10
Hair loss stopped
Excellent. My hair fell out terribly after COVID. A week after starting the application, my hair loss ceased! I will be ordering more!
9.5
Immediate hair loss help
Zinc picolinate aids my hair loss, which has worsened considerably. After touching my hair, I used to find at least five strands in my hand. Daily, I lost about 80 strands. Since starting zinc picolinate, I noticed a marked improvement; I only need two pills daily. When I skip a day, the hair loss returns.
7
Zinc levels affect hair loss risk
We examined the connection between serum zinc levels and alopecia areata (AA), an autoimmune condition that causes hair loss in about 0.5% to 2% of the population. Our research analyzed 34 studies involving nearly 5,000 participants across 16 countries to understand how zinc might influence AA.

Our findings indicated that people with AA had significantly lower levels of zinc compared to healthy individuals. Specifically, there was a notable difference of about 0.69 micrograms per deciliter, suggesting a potential link between zinc deficiency and the risk of developing this condition. Additionally, we discovered that a deficiency in vitamin D was also associated with an increased risk of AA.

While these results hint that zinc supplementation could play a role in treating alopecia areata, it's important to note that we did not isolate zinc treatment from other variables. Therefore, while we found a connection, we cannot definitively say that zinc alone will resolve hair loss issues for those affected by AA.

In conclusion, our research emphasizes the importance of monitoring micronutrient levels like zinc and vitamin D in relation to alopecia areata. More focused treatments could emerge as we continue to explore these relationships.
Our investigation focused on understanding how zinc levels are connected to chronic telogen effluvium, a condition that causes significant hair loss. We conducted a case-control study involving 100 individuals, split into two groups: those diagnosed with chronic telogen effluvium and healthy participants matched by age and gender.

We examined levels of zinc in both hair and serum samples. The findings revealed that individuals with chronic telogen effluvium had notably lower zinc levels compared to their healthy counterparts. Additionally, there was a positive correlation between zinc levels in hair and serum, which suggests that tracking these levels might provide insights into managing hair loss effectively.

Overall, our results suggest that zinc deficiency could play a role in hair loss associated with chronic telogen effluvium. While we did not assess a direct treatment intervention, the findings highlight the importance of maintaining adequate zinc levels for hair health.
7
Zinc's limited impact on hair loss
We explored the impact of zinc on hair loss, focusing on its isolated effect rather than in combination with other treatments. Through the study, we carefully examined how zinc supplementation can influence hair health and address thinning or loss.

Our findings revealed that while zinc is often suggested as a potential remedy, the evidence supporting its effectiveness for hair loss was limited. The study did not find strong results indicating that zinc alone had a significant positive impact on hair regrowth or thickness.

This highlights the need for further investigation into how zinc interacts with other factors that might contribute to hair health. Therefore, while zinc might play a role in some instances, we should approach it with a balanced view regarding its effectiveness in tackling hair loss.
8
Zinc's potential in hair loss treatments
We explored the effects of an oral supplement containing zinc, arginine, l-cystine, and vitamin B6 on patients suffering from telogen effluvium (TE), a common type of hair loss. Over three months, we followed 20 individuals who took the supplement four times daily.

To measure the treatment's effectiveness, we assessed hair growth in several ways, including clinical evaluations and trichoscopy, which checks hair density and width. After the treatment period, we noted significant improvements, with patients reporting positive changes and researchers observing increased hair quantity and diameter.

While zinc is one of the key ingredients in the supplement, the overall improvement we saw is due to its combination with other nutrients. Therefore, isolating zinc's direct effect specifically on hair growth is challenging. It seems that this supplement could be a useful addition to managing TE, but we cannot conclude solely on zinc's efficacy without further targeted studies.

References

  1. Wu R, Li Y, Peng H, Yang Z, Wang Y, et al. Association Between Serum Trace Elements Level and Alopecia Areata: A Systematic Review and Meta-Analysis. J Cosmet Dermatol. 2025;24:e16740. doi:10.1111/jocd.16740
  2. Mahmoud H, Saifdeen PM, Al-Timimi D, Saeed SA. Zinc Status in Kurdish Adults With Hair Loss. Cureus. 2024;16:e67264. doi:10.7759/cureus.67264
  3. Zufishan S, Haque Z, Nazar S, Afaq E, Aamir E, et al. Role of zinc in chronic telogen effluvium in serum and hair of patients with alopecia. J Pak Med Assoc. 2024;74:S47. doi:10.47391/JPMA-DUHS-S10
  4. Lalosevic J, Gajic-Veljic M, Lalosevic Misovic J, Nikolic M. Serum Zinc Concentration in Patients with Alopecia Areata. Acta Derm Venereol. 2023;103:adv13358. doi:10.2340/actadv.v103.13358
  5. Yang Y, Wang P, Gong Y, Yu Z, Gan Y, et al. Curcumin-zinc framework encapsulated microneedle patch for promoting hair growth. Theranostics. 2023;13:3675. doi:10.7150/thno.84118
  6. Starace M, Cedirian S, Bruni F, Alessandrini AM, Quadrelli F, et al. Clinical study on the efficacy and tolerability of an oral supplement based on arginine, l-cystine, zinc and B6 vitamin (Cystiphane®) in patients with telogen effluvium. Ital J Dermatol Venerol. 2023;158:255. doi:10.23736/S2784-8671.23.07576-X
  7. Matsuoka N, Mizutani T, Kawakami K. Symptom Profile of Patients With Post-COVID-19 Conditions and Influencing Factors for Recovery. J Clin Med Res. 2023;15:116. doi:10.14740/jocmr4855
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