# Vitamin D levels advised

Page: https://stenobird.com/podcast/dr-john-campbell-7851784/vitamin-d-levels-advised
Text version: https://stenobird.com/podcast/dr-john-campbell-7851784/vitamin-d-levels-advised.md
Podcast: [Dr. John Campbell](https://stenobird.com/podcast/dr-john-campbell-7851784)
Published: 2026-07-22T16:30:00+00:00
Episode link: https://traffic.megaphone.fm/VG9612382555.mp3
Audio file: https://traffic.megaphone.fm/VG9612382555.mp3
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JSON: https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/vitamin-d-levels-advised
Duration seconds: 3256

## Resource

Read the link to the original paper, https://www.mdpi.com/2072-6643/13/10/3596 Deficiency of vit D limits the performance of systems resulting in, increased spread of diseases of civilization Reduced protection against infections Reduced effectiveness of vaccination Covid fatality rates correlate with, Elderly, dark, black people, comorbidities, winter Blood level of 20 ng/mL, (50 nmol/L) sufficient to stop osteomalacia Preferable, 40–60 ng/mL (100 to 150 nmol/L) Vitamin D3 receptors Bone Intestine Pancreas Prostate Immune system cells Vitamin D is a powerful epigenetic regulator Influencing more than 2,500 genes Cancer Diabetes mellitus Acute respiratory tract infections Viral lung infections that cause ARDS Chronic inflammatory diseases Autoimmune diseases Multiple sclerosis Immunomodulatory properties Regulating innate and adaptive immune systems D3 receptors Monocytes/macrophages T cells B cells Natural killer (NK) cells Dendritic cells (DCs) Supplements Without calcium supplementation, even very high vitamin D3 supplementation does not cause vascular calcification Vitamin D3 supplementation in the range of 4000 to 10,000 units (100 to 250 µg) needed to generate an optimal 40–60 ng/mL (100 to 150 nmol/L) has been shown to be completely safe when combined with approximately 200 µg vitamin K2 https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-k/ However, this knowledge is still not widespread in the medical community, and obsolete warnings about the risks of vitamin D3 overdoses unfortunately are still commonly circulating. ARDS and cytokine release syndrome Vitamin D3 is able to inhibit the underlying metabolic pathways Vitamin D3 has a protective role against ARDS caused by SARS-CoV-2. A rapidly increasing number of publications are investigating the vitam…

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