Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 3 Researches
7.3
USERS' SCORE
Good
Based on 4 Reviews
8.2
Supplement Facts
Serving Size:  1 drop (0.001 fl oz/ 0.028 ml)
Amount Per Serving
%DV
Vitamin D (as cholecalciferol)
10 mcg (400 IU)
100%

Top Medical Research Studies

5
Vitamin D's role in breast disease
We conducted an observational study to examine the levels of vitamin D in female patients with benign and malignant breast diseases. The research aimed to determine if there is a significant difference in vitamin D levels between those with non-cancerous conditions and those diagnosed with breast cancer.

During the study, we analyzed adult female patients admitted to a surgical department. Importantly, we excluded those who had taken vitamin D supplements recently or who had prior vitamin D deficiencies. By measuring serum vitamin D levels through a specific testing method, we were able to gather meaningful data about their relationship to breast health.

Our findings indicated a notable difference in average vitamin D levels when comparing the two groups. This suggests that inadequate vitamin D could be linked to an increased risk of developing breast cancer. Therefore, we explored the potential benefits of vitamin D supplementation as a preventive measure against breast cancer—though we acknowledge that larger and more controlled studies are essential to draw firm conclusions.

At the same time, we recognize that vitamin D has effects beyond bone health, and it is crucial to consider these broader impacts when discussing its role in cancer risk.
Read More
We explored the potential benefits of a vitamin D analog in treating prostate cancer, which is a major cause of cancer-related deaths among men. Our work focused on understanding how this vitamin D form impacts cancer resistance and the tumor microenvironment. We used the Pten mouse model to observe the therapeutic effects of the vitamin D analog.

One significant finding was that combining this vitamin D analog with the chemotherapy drug docetaxel could overcome resistance seen in some prostate cancer cases. This combination showed promising results in primary cancer spheroids and xenografts from a patient whose cancer had resisted both docetaxel and androgen deprivation therapy.

These insights suggest that vitamin D analogs might offer new and effective strategies for managing advanced prostate cancer, particularly for those patients who have not responded well to standard treatments.
Read More
We explored the potential of vitamin D-based micelles designed to deliver paclitaxel, a key chemotherapy drug, specifically for pancreatic cancer treatment. This study focuses on developing enzyme-responsive micelles that not only carry paclitaxel but also utilize vitamin D as an integral part of the delivery system.

The micelles are made by combining vitamin D with polyethylene glycol, resulting in tiny structures that can release their drug load when interacting with enzymes typically found in pancreatic cancer cells. We observed that these micelles showed promising results in laboratory settings, enhancing the effectiveness of paclitaxel against aggressive pancreatic cancer cells compared to using paclitaxel alone.

Moreover, we noted that the vitamin D in the micelles may play a dual role: serving as both a hydrophobic core for drug delivery and a contributor to synergetic therapeutic effects. Our findings suggest that leveraging vitamin D in this way could increase the efficacy of existing treatment options for pancreatic cancer patients, which is particularly significant given the challenges currently faced in treating this disease.
Read More

Most Useful Reviews

7.5
Reduces inflammation
Vitamin D promotes the absorption of calcium and phosphorus, vital for bone growth. Beyond its structural role, it also protects against cancer cell growth, assists the immune system in fighting infections, and lessens inflammation. It is critical for the normal functioning of the neuromuscular, endocrine, and immune systems.
Read More
7.5
Promotes immunity
Excellent! The dosage is impressive; the package will last for six months. The small capsules are easy to use. Vitamin D deficiency can lead to aches, muscle pain, decreased immunity, frequent fatigue, hair loss, and dry skin. Research indicates links between low vitamin D levels and seasonal depression, insomnia, and even weight gain. Vitamin D helps restore protective membranes around nerves, regulates blood pressure and heart rate, and inhibits the growth of cancer cells.
Read More
7.5
Supports bone health
Super quality! Vitamin D comprises biologically active substances formed by sunlight acting on the skin and absorbed through food. It ensures normal bone growth, prevents rickets and osteoporosis by regulating mineral metabolism, boosts immunity, supports muscle tone, and aids thyroid function. Additionally, it restores nerve sheaths, regulates blood pressure and heart rate, and inhibits the growth of cancer cells.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 3 Researches
7.3
  • All Researches
We explored the potential of vitamin D-based micelles designed to deliver paclitaxel, a key chemotherapy drug, specifically for pancreatic cancer treatment. This study focuses on developing enzyme-responsive micelles that not only carry paclitaxel but also utilize vitamin D as an integral part of the delivery system.

The micelles are made by combining vitamin D with polyethylene glycol, resulting in tiny structures that can release their drug load when interacting with enzymes typically found in pancreatic cancer cells. We observed that these micelles showed promising results in laboratory settings, enhancing the effectiveness of paclitaxel against aggressive pancreatic cancer cells compared to using paclitaxel alone.

Moreover, we noted that the vitamin D in the micelles may play a dual role: serving as both a hydrophobic core for drug delivery and a contributor to synergetic therapeutic effects. Our findings suggest that leveraging vitamin D in this way could increase the efficacy of existing treatment options for pancreatic cancer patients, which is particularly significant given the challenges currently faced in treating this disease.
Read More
We explored the potential benefits of a vitamin D analog in treating prostate cancer, which is a major cause of cancer-related deaths among men. Our work focused on understanding how this vitamin D form impacts cancer resistance and the tumor microenvironment. We used the Pten mouse model to observe the therapeutic effects of the vitamin D analog.

One significant finding was that combining this vitamin D analog with the chemotherapy drug docetaxel could overcome resistance seen in some prostate cancer cases. This combination showed promising results in primary cancer spheroids and xenografts from a patient whose cancer had resisted both docetaxel and androgen deprivation therapy.

These insights suggest that vitamin D analogs might offer new and effective strategies for managing advanced prostate cancer, particularly for those patients who have not responded well to standard treatments.
Read More
5
Vitamin D's role in breast disease
We conducted an observational study to examine the levels of vitamin D in female patients with benign and malignant breast diseases. The research aimed to determine if there is a significant difference in vitamin D levels between those with non-cancerous conditions and those diagnosed with breast cancer.

During the study, we analyzed adult female patients admitted to a surgical department. Importantly, we excluded those who had taken vitamin D supplements recently or who had prior vitamin D deficiencies. By measuring serum vitamin D levels through a specific testing method, we were able to gather meaningful data about their relationship to breast health.

Our findings indicated a notable difference in average vitamin D levels when comparing the two groups. This suggests that inadequate vitamin D could be linked to an increased risk of developing breast cancer. Therefore, we explored the potential benefits of vitamin D supplementation as a preventive measure against breast cancer—though we acknowledge that larger and more controlled studies are essential to draw firm conclusions.

At the same time, we recognize that vitamin D has effects beyond bone health, and it is crucial to consider these broader impacts when discussing its role in cancer risk.
Read More

User Reviews

USERS' SCORE
Good
Based on 4 Reviews
8.2
  • All Reviews
  • Positive Reviews
  • Negative Reviews
7.5
Reduces inflammation
Vitamin D promotes the absorption of calcium and phosphorus, vital for bone growth. Beyond its structural role, it also protects against cancer cell growth, assists the immune system in fighting infections, and lessens inflammation. It is critical for the normal functioning of the neuromuscular, endocrine, and immune systems.
Read More
7.5
Promotes immunity
Excellent! The dosage is impressive; the package will last for six months. The small capsules are easy to use. Vitamin D deficiency can lead to aches, muscle pain, decreased immunity, frequent fatigue, hair loss, and dry skin. Research indicates links between low vitamin D levels and seasonal depression, insomnia, and even weight gain. Vitamin D helps restore protective membranes around nerves, regulates blood pressure and heart rate, and inhibits the growth of cancer cells.
Read More
7.5
Supports bone health
Super quality! Vitamin D comprises biologically active substances formed by sunlight acting on the skin and absorbed through food. It ensures normal bone growth, prevents rickets and osteoporosis by regulating mineral metabolism, boosts immunity, supports muscle tone, and aids thyroid function. Additionally, it restores nerve sheaths, regulates blood pressure and heart rate, and inhibits the growth of cancer cells.
Read More
7.5
Improves thyroid function
Vitamin D boosts muscle tone, enhances immunity, and is essential for thyroid function and normal blood clotting. It aids in restoring protective sheaths for nerves, regulates blood pressure and heartbeat, and inhibits cancer cell growth.
Read More

Frequently Asked Questions

7.5
Promotes immunity
Excellent! The dosage is impressive; the package will last for six months. The small capsules are easy to use. Vitamin D deficiency can lead to aches, muscle pain, decreased immunity, frequent fatigue, hair loss, and dry skin. Research indicates links between low vitamin D levels and seasonal depression, insomnia, and even weight gain. Vitamin D helps restore protective membranes around nerves, regulates blood pressure and heart rate, and inhibits the growth of cancer cells.
7.5
Supports bone health
Super quality! Vitamin D comprises biologically active substances formed by sunlight acting on the skin and absorbed through food. It ensures normal bone growth, prevents rickets and osteoporosis by regulating mineral metabolism, boosts immunity, supports muscle tone, and aids thyroid function. Additionally, it restores nerve sheaths, regulates blood pressure and heart rate, and inhibits the growth of cancer cells.
7.5
Reduces inflammation
Vitamin D promotes the absorption of calcium and phosphorus, vital for bone growth. Beyond its structural role, it also protects against cancer cell growth, assists the immune system in fighting infections, and lessens inflammation. It is critical for the normal functioning of the neuromuscular, endocrine, and immune systems.
We explored the potential benefits of a vitamin D analog in treating prostate cancer, which is a major cause of cancer-related deaths among men. Our work focused on understanding how this vitamin D form impacts cancer resistance and the tumor microenvironment. We used the Pten mouse model to observe the therapeutic effects of the vitamin D analog.

One significant finding was that combining this vitamin D analog with the chemotherapy drug docetaxel could overcome resistance seen in some prostate cancer cases. This combination showed promising results in primary cancer spheroids and xenografts from a patient whose cancer had resisted both docetaxel and androgen deprivation therapy.

These insights suggest that vitamin D analogs might offer new and effective strategies for managing advanced prostate cancer, particularly for those patients who have not responded well to standard treatments.
5
Vitamin D's role in breast disease
We conducted an observational study to examine the levels of vitamin D in female patients with benign and malignant breast diseases. The research aimed to determine if there is a significant difference in vitamin D levels between those with non-cancerous conditions and those diagnosed with breast cancer.

During the study, we analyzed adult female patients admitted to a surgical department. Importantly, we excluded those who had taken vitamin D supplements recently or who had prior vitamin D deficiencies. By measuring serum vitamin D levels through a specific testing method, we were able to gather meaningful data about their relationship to breast health.

Our findings indicated a notable difference in average vitamin D levels when comparing the two groups. This suggests that inadequate vitamin D could be linked to an increased risk of developing breast cancer. Therefore, we explored the potential benefits of vitamin D supplementation as a preventive measure against breast cancer—though we acknowledge that larger and more controlled studies are essential to draw firm conclusions.

At the same time, we recognize that vitamin D has effects beyond bone health, and it is crucial to consider these broader impacts when discussing its role in cancer risk.
We explored the potential of vitamin D-based micelles designed to deliver paclitaxel, a key chemotherapy drug, specifically for pancreatic cancer treatment. This study focuses on developing enzyme-responsive micelles that not only carry paclitaxel but also utilize vitamin D as an integral part of the delivery system.

The micelles are made by combining vitamin D with polyethylene glycol, resulting in tiny structures that can release their drug load when interacting with enzymes typically found in pancreatic cancer cells. We observed that these micelles showed promising results in laboratory settings, enhancing the effectiveness of paclitaxel against aggressive pancreatic cancer cells compared to using paclitaxel alone.

Moreover, we noted that the vitamin D in the micelles may play a dual role: serving as both a hydrophobic core for drug delivery and a contributor to synergetic therapeutic effects. Our findings suggest that leveraging vitamin D in this way could increase the efficacy of existing treatment options for pancreatic cancer patients, which is particularly significant given the challenges currently faced in treating this disease.

References

  1. Len-Tayon K, Metzger D, Laverny G. [New insights of vitamin D-based therapy for prostate cancer]. Med Sci (Paris). 2025;41:154. doi:10.1051/medsci/2025011
  2. Soni D, Tiwari A, Kushwah PS, Dubey S, Khan S. Levels of Serum 25-Hydroxy Vitamin D in Benign and Malignant Breast Disease Patients: An Observational Study. Cureus. 2025;17:e78283. doi:10.7759/cureus.78283
  3. Peixoto D, Ravasco JM, Blanco-Fernandez B, Veiga F, Concheiro A, et al. Enzyme-responsive vitamin D-based micelles for paclitaxel-controlled delivery and synergistic pancreatic cancer therapy. Mater Today Bio. 2025;31:101555. doi:10.1016/j.mtbio.2025.101555
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