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Support Reproductive Health with Vitamin D

4 March 2024
Thrivous Admin


The link between vitamin D levels and general health has been well-documented, with deficiencies associated with a range of health issues. One such area of study focuses on the connection between vitamin D levels and male fertility. Understanding this relationship is crucial for those considering supplements for supporting reproductive health.

Readers interested in detailed scientific analysis can refer to the clinical study published in Andrology, titled "Effects of vitamin D on sex steroids, luteinizing hormone, and testosterone to luteinizing hormone ratio in 307 infertile men."

In simple terms, this study examined whether vitamin D supplements could influence the production of sex hormones in men. Sex hormones play a significant role in reproductive functions, and understanding any potential benefits from vitamin D could help support healthy fertility.

Study Design

The study took the form of a randomized clinical trial, involving a total of 307 men with infertility issues, each receiving either vitamin D supplements or a placebo over the course of 150 days. The goal was to measure the effects of vitamin D on important markers such as sex steroids, luteinizing hormone, and the ratio of testosterone to luteinizing hormone — key indicators of reproductive health in men.

Participants who received vitamin D started with a high dose of 300,000 IU cholecalciferol, followed by a daily dose of 1400 IU combined with 500 mg of calcium. This regimen was compared with a control group receiving placebo treatments.

Study Results

The outcomes were interesting but nuanced. For the overall group, vitamin D supplements did not significantly alter the production of sex steroids or the balance of other relevant hormones. However, a deeper look at the data revealed that in men with lower levels of vitamin D at the start of the study, vitamin D supplements were linked to a significantly higher ratio of testosterone to luteinizing hormone.

This suggests that vitamin D may have positive implications for Leydig cell function, which is responsible for producing testosterone. But this was the case only in men who initially had low levels of the vitamin.


The study indicates that men with low vitamin D levels may benefit from supplements. As such, it may be advisable for healthy individuals, including those using Thrivous supplements, to be aware of their vitamin D status.

For those with a deficiency, supplements could help support overall reproductive health. However, as always, it is essential for individuals to consult with healthcare providers before beginning any new supplement regimen.

Thrivous Tenacity

Thrivous develops Tenacity Arthroprotector to enhance joint and bone function for healthy aging. Each serving provides a clinical dose of Vitamin D, along with complementary nutrients. As suggested by this study, Tenacity may help to support reproductive health in men. Tenacity Arthroprotector is available to purchase online now in the Thrivous store.

Buy Tenacity Arthroprotector

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