pure encapsulations dopaplus | puresynapse supplement to support dopamine production, daily mental function, and sharpness* | 180 capsules pure encapsulations promotes the production of dopamine to support daily cognitive function and mental tasks. provides the dopamine precursors l-tyrosine and l-dopa from mucuna pruriens. in a randomized, controlled, double-blind, crossover trial, mucuna pruriens supplementation promoted l-dopa plasma concentrations. includes the cofactors vitamin b6, metafolin l-5-mthf, and zinc to support dopamine production. promotes the stability of dopamine and maintains healthy dopamine reuptake with rhodiola and green tea polyphenols. supports cognitive function and mental sharpness with grape seed proanthocyanidins. protects neuronal health and function with green tea and grape seed polyphenols. supports optimal serum levels of zinc and folate to promote a positive outlook.