Can Guarana increase testosterone levels?

Justlooking5

Justlooking5

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I came across this interesting study (granted it is in Wistar rats):

P. cupana = guarana seed. I've always had good body composition results with guarana in terms of leanness, and perhaps even increased muscle mass.

Animals treated only with P. cupana presented a significant increase in plasma testosterone levels and a significant increase in volumetric proportions of seminiferous tubules, which are indicative of spermatogenic stimulation.

Protective effect of Guaraná (Paullinia cupana var. sorbilis) pre-treatment on cadmium-induced damages in adult Wistar testis. - PubMed - NCBI
 
DennisTheDane

DennisTheDane

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Again in rats.... But maybe if you ramp up dosage and kill it! :D
 

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