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  • Integrative Health & Wellness

The Amazing Power of Vitamin D

Vitamin D, often referred to as the "sunshine vitamin," plays a crucial role in maintaining optimal health and wellness. From bolstering the immune system to aiding in wound healing and potentially reducing the risk of certain types of cancer, the benefits of adequate vitamin D levels are vast and impactful. In this blog post, we'll delve into the myriad effects of normal vitamin D levels on the body, along with essential information about testing, supplementation methods, and regional variations in vitamin D levels.

Immune System Boost:

One of the most well-known roles of vitamin D is its ability to support the immune system. Adequate vitamin D levels are associated with a lower risk of infections, including respiratory tract infections such as the common cold and flu. Vitamin D helps regulate immune responses, enhances the function of immune cells, and reduces inflammation, all of which contribute to a stronger and more resilient immune system.

Wound Healing:

Vitamin D also plays a vital role in the process of wound healing. It promotes the production of compounds that are essential for skin regeneration and repair. Studies have shown that individuals with sufficient vitamin D levels tend to experience faster healing times for wounds, burns, and surgical incisions compared to those with deficient levels.

Breast Cancer Risk Reduction:

Emerging research suggests a potential link between normal vitamin D levels and a reduced risk of certain types of breast cancer. While more extensive studies are needed to fully understand this relationship, preliminary findings indicate that vitamin D may help regulate cell growth and reduce the proliferation of cancerous cells in breast tissue.

Overall Health and Wellness:

Beyond these specific effects, maintaining normal vitamin D levels is essential for overall health and wellness. Adequate vitamin D supports bone health by aiding in calcium absorption, reduces the risk of osteoporosis and fractures, and may play a role in mood regulation, with some studies suggesting a link between vitamin D deficiency and an increased risk of depression.

Regional Variations and Testing Frequency:

It's important to note that vitamin D levels can vary significantly based on geographic location. Regions with limited sunlight exposure, such as northern latitudes during winter months, tend to have lower average vitamin D levels among the population. Therefore, individuals living in these areas, as well as those with limited sun exposure due to lifestyle or occupation, may be at a higher risk of vitamin D deficiency.

To ensure optimal vitamin D levels, it's recommended to have your vitamin D levels checked regularly, especially if you fall into high-risk categories or have symptoms suggestive of deficiency. The frequency of testing may vary based on individual health factors, but consulting with a healthcare provider can help determine an appropriate testing schedule.

Sublingual Drops vs. Tablets:

When it comes to supplementation, the method of delivery can impact the effectiveness of vitamin D absorption. Sublingual drops, which are placed under the tongue for absorption, are often considered more efficient than tablets. This is because sublingual administration allows the vitamin D to bypass the digestive system and enter the bloodstream directly, leading to better absorption and utilization by the body.

"Vitamin D (the sunshine vitamin) plays a vital role in calcium homeostasis, skeletal metabolism, and immune, cardiovascular, and reproductive systems’ functions. The worldwide prevalence of vitamin D deficiency is approximately 1 billion. Vitamin D deficiency is a serious health problem with numerous health consequences; it is associated with diabetes, rheumatic arthritis, Parkinson, Alzheimer diseases, osteomalacia, osteoporosis, and fractures in adults and cancers. Many reports showed an inverse association between serum vitamin D concentration and incidence of several cancers, including breast, colorectal, kidney, lung, and pancreatic. About 20 different cancers have incidence rates inversely related to solar UV-B doses and serum vitamin D concentration. Considering the rising incidence of breast cancer and high prevalence of vitamin D deficiency, this review aimed to reflect an association between serum vitamin D concentration and breast cancer risk, reveal the link between vitamin D receptor genetic polymorphisms and breast cancer risk, and review the relationship between vitamin D level, breast cancer risk, and prognostic factors such as tumor stage, grade, size, lymph node involvement, and hormone receptor status." (Atoum, M., & Alzoughool, F. , 2017)

Recent studies have shed light on the significant impact of normal vitamin D levels on bone health, particularly in conditions like osteopenia and osteoporosis. Osteopenia is characterized by bone mineral density that is lower than normal but not low enough to be classified as osteoporosis, a condition where bones become weak and brittle. Adequate vitamin D levels play a crucial role in calcium absorption and bone mineralization, making them essential for maintaining bone strength and density.

A study published in the Journal of Clinical Endocrinology & Metabolism by Bischoff-Ferrari et al. (2009) found that individuals with higher vitamin D levels had a reduced risk of osteoporosis-related fractures. This highlights the protective effect of normal vitamin D levels against bone loss and fragility fractures. Additionally, a meta-analysis published in Osteoporosis International by Bischoff-Ferrari et al. (2012) concluded that vitamin D supplementation significantly reduced the risk of falls, which are a common cause of fractures in older adults with osteoporosis.

Furthermore, a systematic review and meta-analysis published in the Journal of Bone and Mineral Research by Reid et al. (2014) demonstrated that maintaining optimal vitamin D levels was associated with a lower risk of osteoporotic fractures, particularly in postmenopausal women. These findings underscore the importance of monitoring and maintaining normal vitamin D levels to support bone health and reduce the risk of osteopenia and osteoporosis-related complications.

These studies highlight the crucial role of normal vitamin D levels in preventing bone loss, maintaining bone density, and reducing the risk of fractures associated with osteopenia and osteoporosis. However, individual needs may vary, and it's essential to consult healthcare professionals for personalized guidance on vitamin D supplementation and bone health management.

In conclusion, maintaining normal vitamin D levels is crucial for overall health, immune function, wound healing, and potentially reducing the risk of certain diseases including breast cancer. Understanding regional variations, testing frequency, and choosing effective supplementation methods can help individuals optimize their vitamin D status and support their well-being. As always, consulting with a healthcare professional for personalized guidance is recommended. Talk to one of our providers about the benefits of vitamin D drops. We can tailor an initial consultation and wellness plan, including labs, nutrition, guidance, and the proper vitamin D dose to stay well.


Atoum, M., & Alzoughool, F. (2017). Vitamin D and Breast Cancer: Latest Evidence and Future Steps. Breast cancer : basic and clinical research, 11, 1178223417749816.

Bischoff-Ferrari, H. A., Dawson-Hughes, B., Staehelin, H. B., Orav, J. E., Stuck, A. E., Theiler, R., et al. (2012). Fall prevention with supplemental and active forms of vitamin D: A meta-analysis of randomised controlled trials. Osteoporosis International, 22(12), 2939-2951.

Bischoff-Ferrari, H. A., Willett, W. C., Wong, J. B., Giovannucci, E., Dietrich, T., Dawson-Hughes, B., et al. (2009). Fracture prevention with vitamin D supplementation: A meta-analysis of randomized controlled trials. Journal of Clinical Endocrinology & Metabolism, 94(10), 3417-3424.

Reid, I. R., Bolland, M. J., & Grey, A. (2014). Effects of vitamin D supplements on bone mineral density: A systematic review and meta-analysis. Journal of Bone and Mineral Research, 29(1), 241-245.

As always,


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