Overview

SCIENTIFIC SCORE
Possibly Effective
Based on 11 Researches
7.6
USERS' SCORE
Good
Based on 5 Reviews
8.4
Supplement Facts
Serving Size: 1 Tablet
Amount Per Serving
%DV
Vitamin D3 (Cholecalciferol)
25 mcg (1,000 IU)
130%
Vitamin K K-2 (MK-4) (Menaquinone)
100 mcg
80%
Calcium (as dicalcium phosphate)
32 mg
2%

Top Medical Research Studies

9
Vitamin D3 lowers cholesterol levels
We investigated how vitamin D3 supplements impact cholesterol levels in pediatric patients suffering from obesity. The study involved 723 children over two years, with 283 receiving vitamin D3 and 440 on a placebo.

After closely examining the children’s cholesterol, triglycerides, and glucose levels, we found a strong relationship between these factors and their vitamin D3 levels. Following the supplementation, the group taking vitamin D3 experienced some notable improvements.

Specifically, we saw significant decreases in total cholesterol, HDL cholesterol, and triglycerides in the vitamin D3 group when compared to those who received the placebo. This indicates that vitamin D3 could play a beneficial role in managing high cholesterol and improving overall metabolic health in children coping with obesity.

Our findings suggest that vitamin D3 is a valuable addition to strategies aimed at improving lipid levels and encouraging healthy lifestyles in young patients struggling with excessive weight. Overall, supplementing with vitamin D3 appears to offer an effective approach to tackling high cholesterol in this at-risk population.
Read More
8
Vitamin D3 improves cholesterol levels
We conducted a double-blind, randomized clinical trial to investigate how vitamin D3 treatment influences cholesterol levels in patients with ischemic heart disease (IHD) who were also vitamin D deficient. In total, 44 patients participated, and we divided them into two groups: one received vitamin D3 supplements, while the other was given a placebo.

After a five-week treatment period, we observed some interesting results. In the group that received vitamin D3, levels of high-density lipoprotein (often referred to as “good cholesterol”) significantly increased, while triglycerides—a type of fat in the blood—decreased notably. These changes are beneficial as higher HDL levels and lower triglycerides can improve heart health.

These findings highlight the potential for vitamin D3 to play a positive role in managing cholesterol levels among IHD patients. While we noted these improvements in lipid profiles, the correlation between vitamin D levels and C-reactive protein, a marker of inflammation in the body, was not significant in our study, indicating that while vitamin D shows promise, more research is warranted.
Read More
9
Vitamin D3 reduces triglycerides and cholesterol
We evaluated how vitamin D3 supplementation influences cholesterol levels in overweight or obese women through a comprehensive meta-analysis of randomized controlled trials. Our focus was on understanding whether this vitamin could effectively improve lipid profiles, specifically high cholesterol levels.

In analyzing 13 studies, we found that vitamin D3 supplementation significantly reduced triglyceride (TG) and total cholesterol (TC) levels while also increasing high-density lipoprotein cholesterol (HDL-C), which is considered “good” cholesterol. Specifically, TG levels decreased by an average of about 6.13 mg/dL and total cholesterol levels decreased by approximately 4.45 mg/dL. Additionally, we saw a noteworthy boost in HDL-C levels, which increased by 1.54 mg/dL.

It's fascinating to note that the most notable reductions in triglycerides occurred in participants who started with higher baseline levels and those who were administered vitamin D3 for 26 weeks or less. However, we should be transparent that vitamin D3 did not show a significant effect on low-density lipoprotein cholesterol (LDL-C) concentrations, which is often a key concern in cholesterol management. Overall, our findings suggest that while vitamin D3 has a positive impact on certain aspects of lipid profiles, it may not be a comprehensive solution for all cholesterol issues.
Read More

Most Useful Reviews

8.3
D deficiency boost
I found the quality and ingredients to be excellent, with airtight packaging and high absorption rates. The taste is fine, and I've experienced remarkable effects regarding my D deficiency since starting this supplement.
Read More
8.8
Health improvement
After taking these vitamins several times, I really appreciated their effect. My health improved along with my test results. Following my doctor's guidance, I took it once daily at a high dosage, which included vitamin D2, consumed in the morning.
Read More
8.8
Strong bone support
The quality of this vitamin K2 is commendable, with a satisfying dosage that is cost-effective. It builds strong bones by ensuring calcium flows into the required areas like bones and teeth, while also helping to remove excess calcium. Furthermore, K2 plays a significant role in protecting the heart and brain, balancing blood sugar, and combating diabetes.
Read More

Medical Researches

SCIENTIFIC SCORE
Possibly Effective
Based on 11 Researches
7.6
  • All Researches
9
Vitamin D3 reduces triglycerides and cholesterol
We evaluated how vitamin D3 supplementation influences cholesterol levels in overweight or obese women through a comprehensive meta-analysis of randomized controlled trials. Our focus was on understanding whether this vitamin could effectively improve lipid profiles, specifically high cholesterol levels.

In analyzing 13 studies, we found that vitamin D3 supplementation significantly reduced triglyceride (TG) and total cholesterol (TC) levels while also increasing high-density lipoprotein cholesterol (HDL-C), which is considered “good” cholesterol. Specifically, TG levels decreased by an average of about 6.13 mg/dL and total cholesterol levels decreased by approximately 4.45 mg/dL. Additionally, we saw a noteworthy boost in HDL-C levels, which increased by 1.54 mg/dL.

It's fascinating to note that the most notable reductions in triglycerides occurred in participants who started with higher baseline levels and those who were administered vitamin D3 for 26 weeks or less. However, we should be transparent that vitamin D3 did not show a significant effect on low-density lipoprotein cholesterol (LDL-C) concentrations, which is often a key concern in cholesterol management. Overall, our findings suggest that while vitamin D3 has a positive impact on certain aspects of lipid profiles, it may not be a comprehensive solution for all cholesterol issues.
Read More
9
Vitamin D3 lowers cholesterol levels
We investigated how vitamin D3 supplements impact cholesterol levels in pediatric patients suffering from obesity. The study involved 723 children over two years, with 283 receiving vitamin D3 and 440 on a placebo.

After closely examining the children’s cholesterol, triglycerides, and glucose levels, we found a strong relationship between these factors and their vitamin D3 levels. Following the supplementation, the group taking vitamin D3 experienced some notable improvements.

Specifically, we saw significant decreases in total cholesterol, HDL cholesterol, and triglycerides in the vitamin D3 group when compared to those who received the placebo. This indicates that vitamin D3 could play a beneficial role in managing high cholesterol and improving overall metabolic health in children coping with obesity.

Our findings suggest that vitamin D3 is a valuable addition to strategies aimed at improving lipid levels and encouraging healthy lifestyles in young patients struggling with excessive weight. Overall, supplementing with vitamin D3 appears to offer an effective approach to tackling high cholesterol in this at-risk population.
Read More
We explored the impact of vitamin D3 on cholesterol levels, specifically in individuals taking olanzapine, an antipsychotic medication known to cause dyslipidemia, a condition characterized by abnormal lipid levels. By analyzing various sources including the FDA Adverse Event Reporting System and electronic medical records, we aimed to uncover whether vitamin D3 supplementation could alleviate the cholesterol imbalances caused by olanzapine.

Our findings revealed that vitamin D3 has a beneficial effect, helping to reduce the unfavorable changes in cholesterol levels typically induced by olanzapine. In particular, we noted that while olanzapine raised low-density lipoprotein (LDL) cholesterol and lowered high-density lipoprotein (HDL) cholesterol, vitamin D3 supplementation appeared to help restore balance in these lipid levels.

Further investigations into cellular mechanisms showed that vitamin D3 may work by inhibiting the cholesterol production process within certain cells. This aligns well with our overall goal of identifying effective treatment strategies that can positively affect cholesterol management in those affected by olanzapine treatment.

In summary, our comprehensive analysis suggests that vitamin D3 supplementation could serve as a promising adjunct therapy for managing cholesterol levels in patients prescribed olanzapine.
Read More
8
Vitamin D3 improves cholesterol levels
We conducted a double-blind, randomized clinical trial to investigate how vitamin D3 treatment influences cholesterol levels in patients with ischemic heart disease (IHD) who were also vitamin D deficient. In total, 44 patients participated, and we divided them into two groups: one received vitamin D3 supplements, while the other was given a placebo.

After a five-week treatment period, we observed some interesting results. In the group that received vitamin D3, levels of high-density lipoprotein (often referred to as “good cholesterol”) significantly increased, while triglycerides—a type of fat in the blood—decreased notably. These changes are beneficial as higher HDL levels and lower triglycerides can improve heart health.

These findings highlight the potential for vitamin D3 to play a positive role in managing cholesterol levels among IHD patients. While we noted these improvements in lipid profiles, the correlation between vitamin D levels and C-reactive protein, a marker of inflammation in the body, was not significant in our study, indicating that while vitamin D shows promise, more research is warranted.
Read More
8
Vitamin D3 and cholesterol reduction
We investigated whether vitamin D3 could help lower cholesterol and alleviate effects from Helicobacter pylori (Hp) infection in mice with high cholesterol. Through an 8-week oral treatment, we found that vitamin D3 showed promise in enhancing liver function by increasing the activity of vitamin D receptors (VDR) in liver tissues.

Notably, there was a marked decrease in serum cholesterol levels after the treatment. We also observed a reduction in the expression of certain inflammatory markers in the gastric tissues, indicating a potential link between vitamin D3 and inflammation reduction associated with Hp infection.

Furthermore, our findings suggested that vitamin D3 may help manage gastritis symptoms by blocking a specific signaling pathway known as JAK/STAT3. However, while the study demonstrated some beneficial effects, it’s important to note that these results were obtained in a controlled environment and might not directly translate to humans without further research.
Read More

User Reviews

USERS' SCORE
Good
Based on 5 Reviews
8.4
  • All Reviews
  • Positive Reviews
  • Negative Reviews
8.3
D deficiency boost
I found the quality and ingredients to be excellent, with airtight packaging and high absorption rates. The taste is fine, and I've experienced remarkable effects regarding my D deficiency since starting this supplement.
Read More
8.8
Health improvement
After taking these vitamins several times, I really appreciated their effect. My health improved along with my test results. Following my doctor's guidance, I took it once daily at a high dosage, which included vitamin D2, consumed in the morning.
Read More
8.8
Strong bone support
The quality of this vitamin K2 is commendable, with a satisfying dosage that is cost-effective. It builds strong bones by ensuring calcium flows into the required areas like bones and teeth, while also helping to remove excess calcium. Furthermore, K2 plays a significant role in protecting the heart and brain, balancing blood sugar, and combating diabetes.
Read More
7.5
Vitamin D enhancement
I take vitamin K to support vitamin D absorption. Since incorporating vitamin K into my regimen, I've noticed improvements in my vitamin D blood levels. I take it along with a separate vitamin D for a higher cumulative dose.
Read More
6.8
Artery strengthening
This vitamin K2 is of high quality and is crucial for strengthening bones and maintaining healthy arteries and the heart. I have noticed considerable improvements since I started taking it.
Read More

Frequently Asked Questions

High cholesterol, or hyperlipidemia, is a medical condition characterized by an elevated level of cholesterol in the bloodstream. Cholesterol is a waxy, fat-like substance that’s essential for building healthy cells, but too much of it can lead to serious health issues, including heart disease and stroke. Cholesterol is carried through the blood by lipoproteins, with two main types being low-density lipoprotein (LDL) and high-density lipoprotein (HDL). LDL, often referred to as "bad" cholesterol, can lead to the buildup of plaque in the arteries, while HDL, known as "good" cholesterol, helps carry cholesterol away from the arteries and back to the liver.

Factors contributing to high cholesterol can include poor diet, lack of exercise, obesity, smoking, and genetic predisposition. Regular health screenings are crucial, as high cholesterol often presents no overt symptoms. Maintaining a heart-healthy diet rich in fruits, vegetables, whole grains, and healthy fats, coupled with regular physical activity and avoiding tobacco, can help manage cholesterol levels effectively. In some cases, medications may be necessary to control high cholesterol, so consulting with a healthcare provider is key for tailored advice.

Vitamin D3 K2 is a supplement that combines two vital nutrients: vitamin D3 (cholecalciferol) and vitamin K2 (menaquinone). Vitamin D3 is crucial for maintaining healthy bones and immune function, as it helps the body absorb calcium, which is essential for bone strength. It can be obtained through sunlight exposure, certain foods, and supplements. On the other hand, vitamin K2 plays a significant role in directing calcium to the bones and teeth while preventing it from depositing in the arteries and soft tissues, thus promoting cardiovascular health and overall well-being.

The synergy between vitamin D3 and K2 is particularly important because they work together to ensure that calcium is utilized effectively in the body. While vitamin D3 boosts calcium absorption, vitamin K2 ensures that this calcium is deposited properly in the bones rather than accumulating in the arteries. This combination is believed to support bone density, cardiovascular health, and overall vitality. Many health professionals recommend considering a D3 and K2 supplement, especially for individuals who may be at risk of deficiency or those who live in areas with limited sunlight exposure. Always consult a healthcare provider before starting any new supplement regimen.

When taking Vitamin D3 and K2 supplements for high cholesterol, the timeline for seeing results can vary significantly among individuals. Factors such as the current levels of vitamin D in your body, your overall diet, lifestyle, metabolic health, and the dosage of supplements can all influence the outcome. Generally speaking, some individuals may begin to notice improvements in their cholesterol levels within a few weeks of consistent supplementation. However, it’s commonly recommended to allow at least 3 to 6 months to fully gauge any changes in cholesterol readings, as this aligns with the average timeframe for the body to respond to dietary changes or supplement intake.

It's crucial to pair supplementation with a wholesome diet and regular physical activity for optimal results. Additionally, regular blood tests can help track your lipid levels and overall progress. Before starting any new supplement regimen, it's advisable to consult with a healthcare professional to ensure safety and efficacy tailored to your specific health needs.

The evidence regarding vitamin D3's effectiveness for high cholesterol is mixed but largely positive, especially when considering specific demographics and conditions. Multiple studies have demonstrated that vitamin D3 supplementation can result in lower total cholesterol and triglyceride levels, as well as an increase in high-density lipoprotein (HDL) cholesterol, the so-called “good” cholesterol. For instance, a meta-analysis found that vitamin D3 significantly reduced triglyceride and total cholesterol levels among overweight women [1]. Additionally, research involving obese children demonstrated similar benefits, showing decreases in total cholesterol and triglycerides after vitamin D3 supplementation [2].

However, it's important to note that vitamin D3 does not appear to impact low-density lipoprotein (LDL) cholesterol significantly, which is a primary target in cholesterol management. Furthermore, certain studies suggest that while vitamin D3 may help mitigate cholesterol issues related to medications like olanzapine, its standalone effectiveness may still necessitate further research to fully clarify its role and benefits in broader populations [10]. Overall, while vitamin D3 supplementation presents some promise in managing high cholesterol levels, particularly in specific groups, it may not be a definitive solution for all individuals needing cholesterol management.

Based on user reviews, many individuals have reported significant improvements in their symptoms while using these supplements. One user highlighted experiencing "remarkable effects" regarding their vitamin D deficiency, noting improvements in health and test results after following a dosage recommended by their doctor (Read Review) (Read Review). Another user specifically remarked that incorporating vitamin K2 into their regimen notably elevated their vitamin D blood levels, emphasizing the synergistic benefit of combining these vitamins (Read Review).

Further anecdotal experiences suggest that vitamin K2 aids in bone strength and cardiovascular health, with one reviewer expressing they had "noticed considerable improvements" in their overall well-being since starting the supplement (Read Review). While results can vary among individuals, these testimonials point to a trend of enhanced health and wellness associated with the proper use of these vitamins.

Based on user reviews, many individuals have successfully combined this supplement with others, specifically citing benefits for managing high cholesterol. Users noted that taking vitamin K2 alongside vitamin D significantly enhanced their overall health and nutrient absorption. For instance, one reviewer reported improvements in their vitamin D blood levels after incorporating vitamin K into their regimen, emphasizing the added value of combining the two supplements for better efficacy (Read Review).

Additionally, another user praised the heart health benefits associated with vitamin K2, pointing out its role in maintaining healthy arteries and supporting cardiovascular wellness, which could be highly relevant for those concerned with high cholesterol (Read Review). This reflects a broader trend among users who find that synergistic combinations of these vitamins contribute to improved health outcomes and effectively manage cholesterol levels.

8.3
D deficiency boost
I found the quality and ingredients to be excellent, with airtight packaging and high absorption rates. The taste is fine, and I've experienced remarkable effects regarding my D deficiency since starting this supplement.
8.8
Health improvement
After taking these vitamins several times, I really appreciated their effect. My health improved along with my test results. Following my doctor's guidance, I took it once daily at a high dosage, which included vitamin D2, consumed in the morning.
7.5
Vitamin D enhancement
I take vitamin K to support vitamin D absorption. Since incorporating vitamin K into my regimen, I've noticed improvements in my vitamin D blood levels. I take it along with a separate vitamin D for a higher cumulative dose.
6.8
Artery strengthening
This vitamin K2 is of high quality and is crucial for strengthening bones and maintaining healthy arteries and the heart. I have noticed considerable improvements since I started taking it.
9
Vitamin D3 reduces triglycerides and cholesterol
We evaluated how vitamin D3 supplementation influences cholesterol levels in overweight or obese women through a comprehensive meta-analysis of randomized controlled trials. Our focus was on understanding whether this vitamin could effectively improve lipid profiles, specifically high cholesterol levels.

In analyzing 13 studies, we found that vitamin D3 supplementation significantly reduced triglyceride (TG) and total cholesterol (TC) levels while also increasing high-density lipoprotein cholesterol (HDL-C), which is considered “good” cholesterol. Specifically, TG levels decreased by an average of about 6.13 mg/dL and total cholesterol levels decreased by approximately 4.45 mg/dL. Additionally, we saw a noteworthy boost in HDL-C levels, which increased by 1.54 mg/dL.

It's fascinating to note that the most notable reductions in triglycerides occurred in participants who started with higher baseline levels and those who were administered vitamin D3 for 26 weeks or less. However, we should be transparent that vitamin D3 did not show a significant effect on low-density lipoprotein cholesterol (LDL-C) concentrations, which is often a key concern in cholesterol management. Overall, our findings suggest that while vitamin D3 has a positive impact on certain aspects of lipid profiles, it may not be a comprehensive solution for all cholesterol issues.
9
Vitamin D3 lowers cholesterol levels
We investigated how vitamin D3 supplements impact cholesterol levels in pediatric patients suffering from obesity. The study involved 723 children over two years, with 283 receiving vitamin D3 and 440 on a placebo.

After closely examining the children’s cholesterol, triglycerides, and glucose levels, we found a strong relationship between these factors and their vitamin D3 levels. Following the supplementation, the group taking vitamin D3 experienced some notable improvements.

Specifically, we saw significant decreases in total cholesterol, HDL cholesterol, and triglycerides in the vitamin D3 group when compared to those who received the placebo. This indicates that vitamin D3 could play a beneficial role in managing high cholesterol and improving overall metabolic health in children coping with obesity.

Our findings suggest that vitamin D3 is a valuable addition to strategies aimed at improving lipid levels and encouraging healthy lifestyles in young patients struggling with excessive weight. Overall, supplementing with vitamin D3 appears to offer an effective approach to tackling high cholesterol in this at-risk population.
We explored the impact of vitamin D3 on cholesterol levels, specifically in individuals taking olanzapine, an antipsychotic medication known to cause dyslipidemia, a condition characterized by abnormal lipid levels. By analyzing various sources including the FDA Adverse Event Reporting System and electronic medical records, we aimed to uncover whether vitamin D3 supplementation could alleviate the cholesterol imbalances caused by olanzapine.

Our findings revealed that vitamin D3 has a beneficial effect, helping to reduce the unfavorable changes in cholesterol levels typically induced by olanzapine. In particular, we noted that while olanzapine raised low-density lipoprotein (LDL) cholesterol and lowered high-density lipoprotein (HDL) cholesterol, vitamin D3 supplementation appeared to help restore balance in these lipid levels.

Further investigations into cellular mechanisms showed that vitamin D3 may work by inhibiting the cholesterol production process within certain cells. This aligns well with our overall goal of identifying effective treatment strategies that can positively affect cholesterol management in those affected by olanzapine treatment.

In summary, our comprehensive analysis suggests that vitamin D3 supplementation could serve as a promising adjunct therapy for managing cholesterol levels in patients prescribed olanzapine.

References

  1. Hu L, Velu P, Prabahar K, Hernández-Wolters B, Kord-Varkaneh H, et al. Effect of Vitamin D Supplementation on Lipid Profile in Overweight or Obese Women: A Meta-analysis and Systematic Review of Randomized Controlled Trials. Nutr Rev. 2025. doi:10.1093/nutrit/nuae226
  2. Wang F, Bei L, Zhang X, Fu Y. Vitamin D Supplementation Reduces Hyperlipidemia and Improves Bone Mass in Pediatric Obesity. Crit Rev Immunol. 2025;45:31. doi:10.1615/CritRevImmunol.2024052129
  3. Sadeghi M, Momeni A, Mirsaeidi FS, Jamalian M, Amirpour A, et al. The Effect of Vitamin D Deficiency Treatment on Lipid Profile and C-reactive Protein in Patients with Ischemic Heart Disease: Double-blind Randomized Clinical Trial. Adv Biomed Res. 2024;13:79. doi:10.4103/abr.abr_380_23
  4. Xu W, Wang L, Yang L, Li X, Li C, et al. [Vitamin D3 alleviates the gastritis that associated with Helicobacter pylori infection in mice with hypercholesterolemia by enhancing the activity of vitamin D receptors in the liver tissue and blocking the signaling pathway of JAK/STAT3]. Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi. 2024;40:520.
  5. Papakonstantinou E, Zacharodimos N, Georgiopoulos G, Athanasaki C, Bothou DL, et al. Two-Month Consumption of Orange Juice Enriched with Vitamin D3 and Probiotics Decreases Body Weight, Insulin Resistance, Blood Lipids, and Arterial Blood Pressure in High-Cardiometabolic-Risk Patients on a Westernized Type Diet: Results from a Randomized Clinical Trial. Nutrients. 2024;16. doi:10.3390/nu16091331
  6. Oczkowicz M, Szymczyk B, Świątkiewicz M, Wierzbicka A, Steg A, et al. Effect of vitamin D3 supplementation on blood parameters and liver gene expression in female rats. Mol Biol Rep. 2024;51:456. doi:10.1007/s11033-024-09408-6
  7. Yang HE, Lee BW, Choi IJ, Oh JY, An EJ. Age-dependent effect of vitamin D supplementation on musculoskeletal health in chronic spinal cord injury patients: A pilot study. J Spinal Cord Med. 2025;48:93. doi:10.1080/10790268.2023.2257850
  8. Habiba E, Ali S, Ghanem Y, Sharaki O, Hewedy W. Effect of oral versus parenteral vitamin D3 supplementation on nuclear factor-κB and platelet aggregation in type 2 diabetic patients. Can J Physiol Pharmacol. 2023;101:610. doi:10.1139/cjpp-2022-0359
  9. Sandgruber F, Höger AL, Kunze J, Schenz B, Griehl C, et al. Impact of Regular Intake of Microalgae on Nutrient Supply and Cardiovascular Risk Factors: Results from the NovAL Intervention Study. Nutrients. 2023;15. doi:10.3390/nu15071645
  10. Zhou Z, Nagashima T, Toda C, Kobayashi M, Suzuki T, et al. Vitamin D supplementation is effective for olanzapine-induced dyslipidemia. Front Pharmacol. 2023;14:1135516. doi:10.3389/fphar.2023.1135516
  11. Hariri Z, Kord-Varkaneh H, Alyahya N, Prabahar K, Găman MA, et al. Higher Dietary Vitamin D Intake Influences the Lipid Profile and hs-CRP Concentrations: Cross-Sectional Assessment Based on The National Health and Nutrition Examination Survey. Life (Basel). 2023;13. doi:10.3390/life13020581
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