Vitamin D

"A vitamin D deficiency means you don't have enough vitamin D in your body. Too little of vitamin D makes bones weak. But the link between vitamin D and blood pressure isn't clear."

https://www.mayoclinic.org/diseases-conditions/high-blood-pressure/expert-answers/vitamin-d-deficiency/faq-20058280?mc_id=us&utm_source=pes&utm_medium=e&utm_content=engagementhw&utm_campaign=mayoclinic&geo=national&placementsite=enterprise&invsrc=patloy&cauid=188239