dopamine

Vasoactive intestinal peptide

And peppermint.

And a whole lot of other stuff.

Looks like someones taking Bio 20 hahahah

Histamines, a vasoactive chemical, causes peripheral vasodialation of the capillaries.

Water displacement leg volumetry is a highly reproducible method, allowing the confirmation of efficacy of vasoactive substances. Nevertheless, errors of its execution using a displacement can and the selection of unsuitable patients are likely to negatively affect the outcome of clinical studies in chronic venous insufficiency