Overview

SCIENTIFIC SCORE
Questionable
Based on 18 Researches
6.8
USERS' SCORE
Good
Based on 7 Reviews
8.4
Supplement Facts
Serving Size: 1 Softgel
Amount Per Serving
%DV
Vitamin D3 (as Cholecalciferol) (from Lanolin)
50 mcg (2,000 IU)
250%

Top Medical Research Studies

9
Vitamin D improves thyroid function
We conducted a thorough exploration of how vitamin D supplementation can affect hypothyroidism, particularly in patients with Hashimoto's thyroiditis (HT). Our findings draw from a meta-analysis of twelve randomized controlled trials, involving a total of 862 participants. These studies compared the effects of vitamin D against placebo or no treatment, focusing on various thyroid function indicators and autoantibodies.

The results were promising. We found that vitamin D supplementation significantly reduced the levels of anti-thyroid antibodies, specifically thyroid peroxidase antibodies (TPO-Ab) and thyroglobulin antibodies (TG-Ab). Additionally, it appeared to enhance thyroid function by lowering thyroid-stimulating hormone (TSH) levels and increasing free triiodothyronine (FT3) and free thyroxine (FT4) levels.

Notably, we observed that active forms of vitamin D, like calcitriol, were more effective in reducing TPO-Ab compared to the more common D2 and D3 forms. We also noted that longer treatment durations, particularly those exceeding 12 weeks, led to greater improvements in thyroid hormone levels and antibody reductions.

Overall, our study suggests that vitamin D may play a beneficial role in managing Hashimoto’s thyroiditis, potentially helping to modulate immune responses and improve thyroid function.
Read More
We investigated how vitamin D supplementation affects hypothyroidism, focusing on its impact on heart and kidney health. In our study, we used forty male Wistar rats, dividing them into four groups: control, hypothyroid, and hypothyroid treated with two doses of vitamin D. After six weeks, we examined various biochemical markers and evaluated fibrosis in the heart and kidneys.

Our findings revealed that hypothyroidism led to an increase in markers of kidney damage, like creatinine and urea, alongside elevated levels of oxidative stress markers in both heart and kidney tissues. Interestingly, we noticed that vitamin D treatment significantly reduced these harmful effects. The administration of vitamin D improved oxidative stress levels and decreased fibrosis in the heart and kidneys.

In conclusion, our study underlines the potential of vitamin D as a beneficial therapeutic option for alleviating some complications associated with hypothyroidism, particularly concerning tissue fibrosis and oxidative stress. This reinforces the idea that vitamin D could play a vital role in managing health issues related to thyroid hormone deficits.
Read More
9
Vitamin D3 reduces thyroid autoimmunity
We explored the potential effects of vitamin D3, or cholecalciferol, on individuals diagnosed with Hashimoto's thyroiditis, a common form of hypothyroidism characterized by autoimmune responses that damage thyroid cells. Our study was a carefully structured clinical trial conducted over one year, which included 100 patients suffering from both Hashimoto's thyroiditis and vitamin D deficiency.

Divided into two groups, one received vitamin D3 supplements while the other was given a placebo. After eight weeks, we measured the levels of anti-thyroid peroxidase antibodies, which indicate autoimmune activity against the thyroid.

Our findings revealed a significant reduction in these antibody levels among patients who received vitamin D3, showcasing a 30.5% decrease compared to just a 16.5% decrease in the placebo group. This suggests that vitamin D3 supplementation may play a beneficial role in managing the autoimmune activity associated with hypothyroidism.

Overall, our research shows that addressing vitamin D deficiency might be an effective strategy to help manage Hashimoto's thyroiditis, which could encourage discussion about incorporating vitamin D as part of treatment plans for patients. Further research will be necessary to confirm these findings and explore the long-term benefits of vitamin D supplementation.
Read More

Most Useful Reviews

9.5
Improved mood
The supplement effectively boosted my vitamin D levels, improving my immune function significantly. Since taking it, I’ve experienced fewer relapses of herpes and a general uplift in my mood. My previous apathy has dissipated, and I'm no longer feeling close to depressive. I've been using this for several months with breaks, cautiously managing the dosage to avoid complications.
Read More
9.5
Deficiency compensation
The medication effectively compensated for my vitamin D deficiency, helping me manage my hypothyroidism. I plan to continue taking it regularly.
Read More
9.5
Thyroid function support
This product has an excellent price and dosage, prescribed by my doctor. I take it regularly, excluding summer, as it aids in maintaining my thyroid function with hypothyroidism.
Read More

Medical Researches

SCIENTIFIC SCORE
Questionable
Based on 18 Researches
6.8
  • All Researches
We investigated how vitamin D supplementation affects hypothyroidism, focusing on its impact on heart and kidney health. In our study, we used forty male Wistar rats, dividing them into four groups: control, hypothyroid, and hypothyroid treated with two doses of vitamin D. After six weeks, we examined various biochemical markers and evaluated fibrosis in the heart and kidneys.

Our findings revealed that hypothyroidism led to an increase in markers of kidney damage, like creatinine and urea, alongside elevated levels of oxidative stress markers in both heart and kidney tissues. Interestingly, we noticed that vitamin D treatment significantly reduced these harmful effects. The administration of vitamin D improved oxidative stress levels and decreased fibrosis in the heart and kidneys.

In conclusion, our study underlines the potential of vitamin D as a beneficial therapeutic option for alleviating some complications associated with hypothyroidism, particularly concerning tissue fibrosis and oxidative stress. This reinforces the idea that vitamin D could play a vital role in managing health issues related to thyroid hormone deficits.
Read More
9
Vitamin D improves thyroid function
We conducted a thorough exploration of how vitamin D supplementation can affect hypothyroidism, particularly in patients with Hashimoto's thyroiditis (HT). Our findings draw from a meta-analysis of twelve randomized controlled trials, involving a total of 862 participants. These studies compared the effects of vitamin D against placebo or no treatment, focusing on various thyroid function indicators and autoantibodies.

The results were promising. We found that vitamin D supplementation significantly reduced the levels of anti-thyroid antibodies, specifically thyroid peroxidase antibodies (TPO-Ab) and thyroglobulin antibodies (TG-Ab). Additionally, it appeared to enhance thyroid function by lowering thyroid-stimulating hormone (TSH) levels and increasing free triiodothyronine (FT3) and free thyroxine (FT4) levels.

Notably, we observed that active forms of vitamin D, like calcitriol, were more effective in reducing TPO-Ab compared to the more common D2 and D3 forms. We also noted that longer treatment durations, particularly those exceeding 12 weeks, led to greater improvements in thyroid hormone levels and antibody reductions.

Overall, our study suggests that vitamin D may play a beneficial role in managing Hashimoto’s thyroiditis, potentially helping to modulate immune responses and improve thyroid function.
Read More
9
Vitamin D aids Hashimoto's outcomes
We aimed to investigate the effects of Vitamin D supplements on women recently diagnosed with Hashimoto's Thyroiditis (HT), a condition that can lead to hypothyroidism. This study was carefully structured as a randomized clinical trial that included a control group for comparison, allowing us to draw clearer conclusions about the effectiveness of Vitamin D.

Over six months, we observed that women receiving Vitamin D experienced significant health benefits. Specifically, those treated saw a notable decrease in Thyroid Peroxidase Antibody (TPOAb) levels, which is a marker of thyroid inflammation. Additionally, markers of thyroid function, such as Free Triiodothyronine (FT3) and Free Thyroxine (FT4), increased, while Thyroid-Stimulating Hormone (TSH) levels decreased. This combination of changes suggests that Vitamin D can help slow the progression of hypothyroidism and enhance thyroid function.

Overall, these findings indicate that Vitamin D supplementation can be a useful adjunct in managing Hashimoto's Thyroiditis, potentially leading to improved health outcomes for patients with this condition.
Read More
9
Vitamin D3 reduces thyroid autoimmunity
We explored the potential effects of vitamin D3, or cholecalciferol, on individuals diagnosed with Hashimoto's thyroiditis, a common form of hypothyroidism characterized by autoimmune responses that damage thyroid cells. Our study was a carefully structured clinical trial conducted over one year, which included 100 patients suffering from both Hashimoto's thyroiditis and vitamin D deficiency.

Divided into two groups, one received vitamin D3 supplements while the other was given a placebo. After eight weeks, we measured the levels of anti-thyroid peroxidase antibodies, which indicate autoimmune activity against the thyroid.

Our findings revealed a significant reduction in these antibody levels among patients who received vitamin D3, showcasing a 30.5% decrease compared to just a 16.5% decrease in the placebo group. This suggests that vitamin D3 supplementation may play a beneficial role in managing the autoimmune activity associated with hypothyroidism.

Overall, our research shows that addressing vitamin D deficiency might be an effective strategy to help manage Hashimoto's thyroiditis, which could encourage discussion about incorporating vitamin D as part of treatment plans for patients. Further research will be necessary to confirm these findings and explore the long-term benefits of vitamin D supplementation.
Read More
9
Vitamin D3 and iodine benefits
We investigated the potential benefits of vitamin D3 in treating hypothyroidism caused by high iodide intake in a study involving pregnant rats. The study involved adjusting iodide intake and supplementing with 1,25-dihydroxy-vitamin D (the active form of vitamin D) to see if these interventions could positively impact thyroid function and related complications.

The newborn rats were exposed to high levels of iodide initially, leading to thyroid dysfunction. After some weeks, we provided either iodide adjustment, vitamin D3 supplementation, or both to assess their effects.

Surprisingly, while vitamin D3 was combined with iodide adjustment, the study did not isolate the effect of vitamin D3 alone. However, we observed that both interventions increased levels of beneficial fatty acids, which are linked to improved thyroid function and lessened cholesterol issues in these rats.

These results suggest that implementing a proper iodide intake and vitamin D3 supplementation can improve thyroid health but do not clearly define vitamin D3's individual impact without additional research isolating its effects.
Read More

User Reviews

USERS' SCORE
Good
Based on 7 Reviews
8.4
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Improved mood
The supplement effectively boosted my vitamin D levels, improving my immune function significantly. Since taking it, I’ve experienced fewer relapses of herpes and a general uplift in my mood. My previous apathy has dissipated, and I'm no longer feeling close to depressive. I've been using this for several months with breaks, cautiously managing the dosage to avoid complications.
Read More
9.5
Deficiency compensation
The medication effectively compensated for my vitamin D deficiency, helping me manage my hypothyroidism. I plan to continue taking it regularly.
Read More
9.5
Thyroid function support
This product has an excellent price and dosage, prescribed by my doctor. I take it regularly, excluding summer, as it aids in maintaining my thyroid function with hypothyroidism.
Read More
6.3
Endurance improvement
It appears to work; after a few hours, I noticed a significant boost in stamina with my subclinical hypothyroidism. However, I found the dosage inadequate; I need 5000 IU instead of 2000 IU.
Read More
8.8
Essential supplementation
I supplement vitamin D due to my hypothyroidism. It’s essential, especially for those with this condition.
Read More

Frequently Asked Questions

Hypothyroidism is a medical condition that occurs when the thyroid gland, a small butterfly-shaped gland located at the base of the neck, does not produce enough thyroid hormones. These hormones, mainly thyroxine (T4) and triiodothyronine (T3), play a critical role in regulating various bodily functions, including metabolism, energy production, and overall growth and development. When hormone levels drop, it can lead to a slow metabolism, weight gain, fatigue, depression, and a host of other symptoms that can significantly affect quality of life.

The condition can be caused by a variety of factors, including autoimmune diseases like Hashimoto's thyroiditis, certain medications, radiation treatment, or iodine deficiency. Diagnosis typically involves blood tests to check levels of thyroid-stimulating hormone (TSH) and thyroid hormones. Treatment primarily includes hormone replacement therapy, with synthetic thyroid hormones such as levothyroxine being the most common form of treatment. With proper management, individuals with hypothyroidism can lead normal, healthy lives by ensuring they receive the necessary hormones their bodies need to function optimally.

Vitamin D is a fat-soluble vitamin that's essential for maintaining healthy bones and teeth, supporting immune system function, and facilitating normal cell growth and development. It plays a crucial role in calcium absorption in the gut, which is vital for bone health. Unlike most vitamins, our bodies can produce Vitamin D when exposed to sunlight, specifically UVB rays, which is why it’s often referred to as the "sunshine vitamin." However, depending on your geographical location, lifestyle, and skin type, getting sufficient Vitamin D from the sun alone can be challenging, particularly during the winter months.

In addition to sunlight, Vitamin D can be obtained from certain foods such as fatty fish (like salmon and mackerel), fish liver oils, and fortified foods like milk and cereals. Some individuals may also consider supplements, especially if they're at risk for deficiency. Insufficient vitamin D levels are linked to various health issues, including rickets in children, osteomalacia in adults, and even an increased risk of chronic diseases. Regularly checking your vitamin D levels and consulting with a healthcare professional can help ensure you're meeting your needs for optimal health.

While vitamin D is essential for overall health and plays a crucial role in immune function, its direct link to hypothyroidism is still a subject of research. Some studies suggest that there may be a correlation between low vitamin D levels and an increased risk of thyroid problems, including hypothyroidism. This has led some experts to propose that maintaining adequate vitamin D levels could potentially support thyroid function and help in managing the condition, especially since vitamin D is involved in regulating the immune system, which is particularly significant for those with autoimmune thyroid disorders like Hashimoto's thyroiditis.

However, it is important to note that vitamin D supplementation alone is not a treatment for hypothyroidism. If you suspect you have hypothyroidism or are already diagnosed, it’s vital to follow your healthcare provider’s recommendations, which typically include thyroid hormone replacement therapy. Additionally, if you are considering vitamin D supplementation, consult with your healthcare provider to determine the appropriate dosage and ensure it doesn't interfere with any other medications or treatments you may be undergoing.

Based on user reviews, it seems that those taking this supplement for hypothyroidism generally report varying times for noticing improvements. Several users highlight that they began feeling benefits in stamina and mood within a few hours to days of taking the supplement, particularly when it comes to vitamin D's effect on thyroid function (see reviews (Read Review) and (Read Review)). However, others suggest that consistent use over months is vital for significant and stable improvements, indicating that noticing real changes might take time (see reviews (Read Review) and (Read Review)).

It's worth noting that individual experiences will vary based on one's specific health conditions, existing vitamin levels, and adherence to the daily supplementation regimen. Some users with chronic conditions or prior deficiencies might look for cumulative results over weeks or even months (see review (Read Review)). Therefore, while initial effects may be felt quickly, prolonged and consistent usage is often emphasized for those managing hypothyroidism.

The link between vitamin D supplementation and hypothyroidism has garnered considerable attention in recent research, indicating potential benefits. Several studies suggest that vitamin D may help manage thyroid function, particularly in conditions like Hashimoto's thyroiditis, an autoimmune disorder often leading to hypothyroidism. For instance, a meta-analysis of randomized controlled trials found that vitamin D significantly reduced thyroid peroxidase antibodies while improving thyroid hormone levels [10]. Other research supports this, indicating improved thyroid function and a decrease in autoimmune markers with vitamin D therapy [12].

However, it's crucial to note that while vitamin D shows promise in improving thyroid function, the results are not uniformly conclusive. A large-scale trial indicated no significant protective effect of vitamin D supplementation against developing hypothyroidism in older adults [11]. Additionally, some studies highlighted that while vitamin D deficiency is correlated with hypothyroidism, there is insufficient evidence to confirm that vitamin D treatment directly enhances thyroid function [14]. Ultimately, while the findings are encouraging and suggest a possible role for vitamin D in thyroid health, more targeted clinical trials are needed to establish its definite efficacy as a treatment for hypothyroidism.

Users have reported various improvements in their symptoms after taking this vitamin D supplement. Many have noted enhancements in mood and energy levels, with some experiencing a significant boost in stamina in just a few hours (see reviews (Read Review) and (Read Review)). For those managing hypothyroidism, the supplement has been particularly effective in compensating for vitamin D deficiencies, leading to better management of thyroid function (see reviews (Read Review) and (Read Review)).

Additionally, users have reported improvements in their immune function, experiencing fewer relapses of chronic issues like herpes (see review (Read Review)). However, it’s important to note that individual results can vary and that some users indicate the need for higher dosages to achieve optimal benefits (see review (Read Review)). Consistency in taking the supplement and managing dosages has been emphasized, particularly for those recovering from health issues or managing chronic conditions (see review (Read Review)). Overall, while many users report favorable experiences, individual responses may differ based on specific health contexts.

Users have reported positive experiences with combining this vitamin D supplement with other supplements for managing hypothyroidism. Specifically, many have found that vitamin D plays a crucial role in their overall thyroid function, with some individuals noting they complement it with Omega supplements to address various health complaints associated with their condition (see review (Read Review)). Another user emphasized the necessity of vitamin D in managing their hypothyroidism effectively, indicating that consistent supplementation has brought substantial benefits (see review (Read Review)).

However, some users suggest that personal dosages may need adjusting when combining with other supplements. For instance, one reviewer mentioned feeling the standard dosage was insufficient, indicating they required a higher intake to experience optimal effects while managing their subclinical hypothyroidism (see review (Read Review)). Overall, users emphasize the importance of careful management of combined supplements to ascertain the best outcomes for thyroid health.

Based on user reviews, the appropriate dosage of Vitamin D for treating hypothyroidism can vary significantly. Some users found success with lower doses, while others felt they required higher amounts to achieve optimal benefits. For instance, one user mentioned a significant improvement in their symptoms with a daily intake of 2000 IU, adjusting from 5000 IU per month to maintain stable vitamin D and thyroid hormone levels ((Read Review)). Conversely, another user indicated that 2000 IU was insufficient for their needs, stating they required a dosage of 5000 IU to feel a pronounced effect, particularly in boosting their stamina ((Read Review)).

Many users emphasize the importance of individualizing Vitamin D intake based on personal health conditions and responses. Those managing their dosage have reported positive outcomes, highlighting the necessity of monitoring one's levels and working with healthcare professionals to determine an appropriate regimen. Overall, it seems that while some users find lower doses effective, others advocate for higher doses for optimal management of hypothyroidism symptoms.

6.3
Endurance improvement
It appears to work; after a few hours, I noticed a significant boost in stamina with my subclinical hypothyroidism. However, I found the dosage inadequate; I need 5000 IU instead of 2000 IU.
9.5
Improved mood
The supplement effectively boosted my vitamin D levels, improving my immune function significantly. Since taking it, I’ve experienced fewer relapses of herpes and a general uplift in my mood. My previous apathy has dissipated, and I'm no longer feeling close to depressive. I've been using this for several months with breaks, cautiously managing the dosage to avoid complications.
9.5
Deficiency compensation
The medication effectively compensated for my vitamin D deficiency, helping me manage my hypothyroidism. I plan to continue taking it regularly.
9.5
Thyroid function support
This product has an excellent price and dosage, prescribed by my doctor. I take it regularly, excluding summer, as it aids in maintaining my thyroid function with hypothyroidism.
7.5
Effective dosing
I would rate it four stars due to cost. The supplement works; it raised my mum's vitamin D levels and thyroid hormones effectively. We shifted from 5000 IU a month to 2000 IU daily for maintenance, which keeps her levels stable.
8.8
Joint and immunity aid
Following multiple health issues, my doctors all recommended vitamin D and Omega. I purchased vitamin D3, which has natural ingredients and benefits my joints and immunity, addressing various complaints linked to my hypothyroidism.
8.8
Essential supplementation
I supplement vitamin D due to my hypothyroidism. It’s essential, especially for those with this condition.
8
Vitamin D3 improves thyroid function
We evaluated the effects of vitamin D3 supplementation on hypothyroidism, specifically in patients with Hashimoto's thyroiditis (HT). Our analysis involved 12 randomized controlled trials, comparing the outcomes of individuals receiving vitamin D3 against those given a placebo or no treatment at all.

Through this thorough examination, we found that vitamin D3 did promote significant improvements in thyroid function and immune response. Specifically, we observed a reduction in two key antibodies: anti-thyroid peroxidase (TPO-Ab) and thyroglobulin antibody (TG-Ab). These reductions suggest a positive effect on the autoimmune process involved in Hashimoto's thyroiditis.

Additionally, we noted improvements in thyroid hormone levels, including free thyroxine (FT4) and free triiodothyronine (FT3), while thyroid-stimulating hormone (TSH) levels showed a decrease. These findings indicate that vitamin D3 supplementation may benefit thyroid health and help manage hypothyroidism more effectively.

For those considering vitamin D3 as a treatment option, particularly those who have been on vitamin D for longer than 12 weeks, the results suggest a more pronounced effect on improving antibody levels and thyroid function. Thus, there appears to be a compelling case for vitamin D3 as a supportive treatment in managing Hashimoto's thyroiditis and related hypothyroidism.
9
Vitamin D3 reduces thyroid autoimmunity
We explored the potential effects of vitamin D3, or cholecalciferol, on individuals diagnosed with Hashimoto's thyroiditis, a common form of hypothyroidism characterized by autoimmune responses that damage thyroid cells. Our study was a carefully structured clinical trial conducted over one year, which included 100 patients suffering from both Hashimoto's thyroiditis and vitamin D deficiency.

Divided into two groups, one received vitamin D3 supplements while the other was given a placebo. After eight weeks, we measured the levels of anti-thyroid peroxidase antibodies, which indicate autoimmune activity against the thyroid.

Our findings revealed a significant reduction in these antibody levels among patients who received vitamin D3, showcasing a 30.5% decrease compared to just a 16.5% decrease in the placebo group. This suggests that vitamin D3 supplementation may play a beneficial role in managing the autoimmune activity associated with hypothyroidism.

Overall, our research shows that addressing vitamin D deficiency might be an effective strategy to help manage Hashimoto's thyroiditis, which could encourage discussion about incorporating vitamin D as part of treatment plans for patients. Further research will be necessary to confirm these findings and explore the long-term benefits of vitamin D supplementation.
We explored the relationship between vitamin D supplementation and hypothyroidism through the D-Health Trial, a well-structured study involving over 21,000 Australian participants aged 60 and older. This trial randomly assigned participants to receive either a monthly dose of 60,000 international units of vitamin D or a placebo, allowing us to effectively assess any potential benefits of vitamin D on thyroid function.

Our analysis revealed that, during an average follow-up of 4.1 years, 293 participants developed hypothyroidism. Interestingly, the rates were similar between the groups, with 1.5% of those taking vitamin D and 1.7% of those on placebo developing the condition. Overall, vitamin D supplementation did not significantly lower the risk of hypothyroidism, as shown by the hazard ratio of 0.89.

However, we did notice a slight difference when analyzing the data by gender. While there was some evidence suggesting a potential benefit for females (with a hazard ratio of 0.78), no such effect was observed in males. Given the findings, it seems that vitamin D supplementation does not provide a clear protective effect against hypothyroidism overall, although the intriguing trend observed in females deserves further research to better understand its implications.
We explored the relationship between vitamin D levels, vitamin D receptor polymorphisms, and hypothyroidism in a group of Egyptian patients. This involved comparing 35 hypothyroid patients to 35 healthy individuals to understand if vitamin D plays a significant role in managing hypothyroidism.

The findings highlighted that patients with hypothyroidism had notably lower vitamin D levels compared to the healthy control group. We observed an inverse relationship between vitamin D levels and markers such as TSH, HOMA-IR, and thyroid autoantibodies (anti-TG and anti-TPO). However, when it came to vitamin D receptor polymorphisms (specifically Fok1 and Apa1), the study revealed no significant connection with TSH or vitamin D levels in either group.

While the study confirmed an association between low vitamin D and features of hypothyroidism, such as increased thyroid gland volume, nodularity, and vascularity, it did not establish that vitamin D treatment directly improves hypothyroidism symptoms. Therefore, we conclude that although vitamin D deficiency may be linked to thyroid dysfunction, the specific therapeutic effects of vitamin D3 on hypothyroidism remain unproven.

References

  1. Nikkhah M, Vafa M, Abiri B, Golgiri F, Sarbakhsh P, et al. The Effect of Some Micronutrients Multi-Supplementation on Thyroid Function, Metabolic Features and Quality of Life in Patients Treating With Levothyroxine and Vitamin D: A Double-blind, Randomized Controlled Trial. Med J Islam Repub Iran. 2024;38:133. doi:10.47176/mjiri.38.133
  2. Rastegar-Moghaddam SH, Akbarian M, Rajabian A, Alipour F, Hojjati Shargh A, et al. Potential therapeutic impacts of vitamin D on hypothyroid-induced heart and kidney fibrosis and oxidative status in male rat. Naunyn Schmiedebergs Arch Pharmacol. 2024. doi:10.1007/s00210-024-03593-8
  3. Krysiak R, Kowalcze K, Szkróbka W, Okopień B. The Association between Vitamin D Status and the Impact of Metformin on Hypothalamic-Pituitary-Thyroid Axis Activity in Women with Subclinical Hypothyroidism. Pharmaceutics. 2024;16. doi:10.3390/pharmaceutics16081093
  4. Maneewan S, Manosroi W, Jesadaporn P, Phimphilai M, Tipduangta P. Effect of Vitamin D Supplementation on Muscle Function in Patients With I131-Induced Hypothyroidism: A Pilot Randomized Trial. J Endocr Soc. 2024;8:bvae072. doi:10.1210/jendso/bvae072
  5. Donayeva A, Kulzhanova D, Amanzholkyzy A, Abdelazim IA, Abilov T, et al. Relationship between vitamin D and adolescents' hypothyroidism - a cross-sectional study. Prz Menopauzalny. 2023;22:186. doi:10.5114/pm.2023.133280
  6. Abdulateef M, Hilal N, Abdul-Aziz M. EVALUATION OF VITAMIN D SERUM LEVELS AND THYROID FUNCTION TEST IN HYPOTHYROIDISM IRAQI PATIENTS. Georgian Med News. 2023.
  7. Tang J, Shan S, Li F, Yun P. Effects of vitamin D supplementation on autoantibodies and thyroid function in patients with Hashimoto's thyroiditis: A systematic review and meta-analysis. Medicine (Baltimore). 2023;102:e36759. doi:10.1097/MD.0000000000036759
  8. Kuroda K, Horikawa T, Moriyama A, Ojiro Y, Takamizawa S, et al. Therapeutic efficacy of the optimization of thyroid function, thrombophilia, immunity and uterine milieu (OPTIMUM) treatment strategy on pregnancy outcomes after single euploid blastocyst transfer in advanced age women with recurrent reproductive failure. Reprod Med Biol. 2023;22:e12554. doi:10.1002/rmb2.12554
  9. Jiang X, Huang Y, Li Y, Xia Y, Liu L, et al. Therapeutic effect of vitamin D in Hashimoto's thyroiditis: a prospective, randomized and controlled clinical trial in China. Am J Transl Res. 2023;15:6234.
  10. Tang J, Shan S, Li F, Yun P. Effects of vitamin D supplementation on autoantibodies and thyroid function in patients with Hashimoto's thyroiditis: A systematic review and meta-analysis. Medicine (Baltimore). 2023;102:e36759. doi:10.1097/MD.0000000000036759
  11. Waterhouse M, Pham H, Rahman ST, Baxter C, Duarte Romero B, et al. The Effect of Vitamin D Supplementation on Hypothyroidism in the Randomized Controlled D-Health Trial. Thyroid. 2023;33:1302. doi:10.1089/thy.2023.0317
  12. Bhakat B, Pal J, Das S, Charaborty SK, SircarMedical NR. A Prospective Study to Evaluate the Possible Role of Cholecalciferol Supplementation on Autoimmunity in Hashimoto's Thyroiditis. J Assoc Physicians India. 2023;71:1.
  13. Liu Q, Zhang Y, Zhao H, Yao X. Increased Epoxyeicosatrienoic Acids and Hydroxyeicosatetraenoic Acids After Treatment of Iodide Intake Adjustment and 1,25-Dihydroxy-Vitamin D Supplementation in High Iodide Intake-Induced Hypothyroid Offspring Rats. Front Physiol. 2021;12:669652. doi:10.3389/fphys.2021.669652
  14. ElRawi HA, Ghanem NS, ElSayed NM, Ali HM, Rashed LA, et al. Study of Vitamin D Level and Vitamin D Receptor Polymorphism in Hypothyroid Egyptian Patients. J Thyroid Res. 2019;2019:3583250. doi:10.1155/2019/3583250
  15. Ucan B, Sahin M, Sayki Arslan M, Colak Bozkurt N, Kizilgul M, et al. Vitamin D Treatment in Patients with Hashimoto's Thyroiditis may Decrease the Development of Hypothyroidism. Int J Vitam Nutr Res. 2016;86:9. doi:10.1024/0300-9831/a000269
  16. Anaraki PV, Aminorroaya A, Amini M, Feizi A, Iraj B, et al. Effects of Vitamin D deficiency treatment on metabolic markers in Hashimoto thyroiditis patients. J Res Med Sci. 2017;22:5. doi:10.4103/1735-1995.199090
  17. Mansournia N, Mansournia MA, Saeedi S, Dehghan J. The association between serum 25OHD levels and hypothyroid Hashimoto's thyroiditis. J Endocrinol Invest. 2014;37:473. doi:10.1007/s40618-014-0064-y
  18. Kemmochi S, Fujimoto H, Woo GH, Hirose M, Nishikawa A, et al. Preventive effects of calcitriol on the development of capsular invasive carcinomas in a rat two-stage thyroid carcinogenesis model. J Vet Med Sci. 2011;73:655.
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