Calcium Supplements and Uterine Fibroids: What You Need to Know - Nutrition

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Calcium supplements, uterine fibroids?


Hello, I would like to ask: I have had uterine fibroids for several years, but they have shrunk, and my gynecologist said I can just have regular follow-up visits! My bone density test result is -1.6.
The doctor suggested calcium supplements but advised against calcium supplements that contain vitamin D and lecithin, stating that they could promote the growth of uterine fibroids.
However, I found that vitamin D might actually help shrink uterine fibroids! This is very confusing for me! I also do not want to take calcium carbonate, as it can cause constipation and kidney stones.
If I want to take calcium supplements, is it true that I should not add vitamin D and lecithin? Will they really affect the uterine fibroids? How should I choose? Thank you.

Y, 50~59 year old female. Ask Date: 2021/09/08

Dr. Zhang Huangyu reply Nutrition


There is currently no definitive conclusion regarding the impact of vitamin D on uterine fibroids.
Your situation requires consideration of multiple factors.
When it comes to the selection of calcium supplements, there are actually various options available.
It would be advisable to consult with a pharmacist on this matter.
As for the issue of fibroids, I recommend that you seek a second opinion from another obstetrician-gynecologist and discuss your concerns thoroughly with them.
This should help address your doubts more effectively.

Reply Date: 2021/09/08

More Info


When it comes to calcium supplements and their relationship with uterine fibroids, there are several important factors to consider. Uterine fibroids, also known as leiomyomas, are benign tumors that develop in the uterus. While they are common and often asymptomatic, they can cause issues such as heavy menstrual bleeding, pelvic pain, and pressure symptoms depending on their size and location.
Your situation is particularly interesting because you have a history of uterine fibroids that have reportedly shrunk, and your gynecologist has advised regular monitoring. Additionally, your bone density test result of -1.6 indicates that you are at risk for osteoporosis, which is a condition characterized by weak and brittle bones. This is where calcium supplementation comes into play.


Calcium Supplementation
Calcium is essential for maintaining bone health, and supplementation can be beneficial, especially for individuals at risk of osteoporosis. However, the type of calcium supplement you choose is crucial. Calcium carbonate is a common form of calcium supplement, but as you mentioned, it can lead to constipation and may contribute to kidney stones in some individuals. Alternatives such as calcium citrate are often better tolerated and can be taken with or without food, making them a more suitable option for those with digestive issues.


Vitamin D and Uterine Fibroids
The role of vitamin D in relation to uterine fibroids is complex. Some studies suggest that vitamin D may have a role in regulating cell growth and differentiation, which could potentially influence the growth of fibroids. However, the evidence is not definitive. While some healthcare providers may caution against vitamin D supplementation in patients with fibroids, others argue that adequate vitamin D levels are important for overall health and may even help in managing fibroid size.


Lecithin and Uterine Fibroids
Lecithin is a fatty substance found in various foods and is often included in supplements for its potential health benefits, including supporting brain health and liver function. There is limited research on the direct impact of lecithin on uterine fibroids. However, if your healthcare provider has advised against it, it may be wise to follow their recommendation until more conclusive evidence is available.


Recommendations
1. Calcium Source: Consider using calcium citrate instead of calcium carbonate to avoid constipation and potential kidney stones. This form is generally easier on the digestive system.

2. Vitamin D: Discuss with your healthcare provider the potential benefits of vitamin D supplementation. If they are concerned about its impact on fibroids, you might consider having your vitamin D levels tested to determine if supplementation is necessary.

3. Avoiding Lecithin: If your doctor has advised against lecithin, it may be best to avoid it until more is known about its effects on fibroids.

4. Regular Monitoring: Continue with regular follow-ups with your gynecologist to monitor the status of your fibroids and any changes that may occur.

5. Dietary Considerations: Ensure that your diet is rich in calcium through food sources such as dairy products, leafy greens, and fortified foods. This can help you meet your calcium needs without relying solely on supplements.

6. Hydration: Stay well-hydrated, especially if you are concerned about kidney stones. Adequate fluid intake can help dilute urine and reduce the risk of stone formation.


Conclusion
In summary, while calcium supplementation is important for bone health, the relationship between calcium, vitamin D, lecithin, and uterine fibroids is not fully understood. It is essential to have an open dialogue with your healthcare provider about your concerns and preferences regarding supplementation. They can help tailor a plan that supports your bone health while considering your history of uterine fibroids. Regular monitoring and a balanced diet will also play crucial roles in managing both your bone health and fibroid condition.

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