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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Am Soc Hypertens. 2015 Aug 21;9(11):885–901. doi: 10.1016/j.jash.2015.08.009

Figure 2.

Figure 2

The effect of vitamin D supplementation on BP. A: When people have a stable balance between vasodilatory (V-Dil) and vasoconstrictory (V-Con) factors to maintain normal BP, vitamin D deficiency (D-Dif) and vitamin D supplementation (D-Sup) in a relatively short period have a minimal effect on BP. B: When people have an unstable balance between vasodilatory and vasoconstrictory factors, vitamin D deficiency becomes a risk trigger to promote the development of HTN at age >45 years; vitamin D repletion is able to reduce BP in this setting.