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Managing Vitamin D Supplementation: Balancing Benefits and Side Effects

This discussion explores the positive impact of vitamin D supplementation on sleep and energy, alongside emerging side effects like anxiety and sleepiness. It emphasizes the importance of balancing vitamin D with magnesium and adjusting doses, with insights on maintaining optimal health through tailored vitamin regimens.

  • How to manage vitamin D

    Hi everyone !

    Since last year, I introduced vitamin D as supplement and it has been a game changer.

    I used to suffer from sleep disorders (I would wake up every night at 4am), lack of energy and motivation, but after taking some vitamin D for few weeks, everything went back to normal.

    I was definitely deficient (17ng/mol) and I took 10k ui per day along with k2 and magnesium from time to time.

    This dream lasts for months until I started feeling anxious after taking some vitamin D (still 10k ui). I made my research and it was probably some magnesium deficiency.

    Now, it is a tiny bit better, but still, I do not feel the best after taking vitamin D. I’m sleepy, a little bit anxious, which is really strange as I didn’t experienced that at the beginning.

    Also, I would have stopped but cannot as my sleep disorders come back when I don’t take vit D.

    Last month I did a blood check and I’m 57ng/mol, so average numbers.

    Does someone have an explanation ? And a way to fix that ? I felt so good a the beginning I really want to feel the same.

    Thanks !

  • Vitamin D supplementation can significantly improve health conditions related to deficiency, such as sleep disorders and lack of energy, which you initially observed1. However, excessive or prolonged intake of vitamin D, even if not reaching toxic levels, can cause adverse effects such as anxiety or sleepiness2.

    You're experiencing some anxiety and sleepiness after ongoing use, which might be related to imbalances in calcium or magnesium caused by high doses of vitamin D2. Magnesium is crucial for the conversion of vitamin D into its active form, and a deficiency can lead to symptoms like anxiety3. Additionally, low magnesium levels can further exacerbate the negative side effects of high vitamin D intake by affecting the regulation of calcium in the body2.

    Given your current serum level of 57 ng/mL, which is considered within the normal range, you might consider slightly reducing your vitamin D dosage and ensuring that your magnesium intake is sufficient to balance the increased metabolism induced by vitamin D supplementation. It's crucial to maintain proper balance and consult with a healthcare provider to tailor the dosage to your current needs appropriately.

    Footnotes

    1. Cuizhen Zhu, "Vitamin D supplementation improves anxiety but not depression symptoms in patients with vitamin D deficiency," NCBI, 2020. ↩

    2. Mohammed S Razzaque, "Can adverse effects of excessive vitamin D supplementation occur without developing hypervitaminosis D?", PubMed, 2017. ↩ ↩2 ↩3

    3. "The role of magnesium in vitamin D activation," Health Journal. ↩

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