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Youll find references to it on various websites, including clinics that specialize in hormone therapy or performance improvement [1][2]

10.1186/s40001-024-01637-6 14 CvetkoviS.NastasijeviB.Miti-ulafiD.ukanoviS.TenjiD.Kneevi-VukeviJ.et al (2020)

Natural killer (NK) cells are prevented from ingesting and destroying tumor cells, pathogens, and other foreign invaders in circulation(5)54

It can be safe when done under proper medical supervision with correct dosage and sterile protocols

Seven days of L-citrulline supplementation at a daily dose of 2.4 g was shown to significantly increase plasma nitrite and nitrate, citrulline, and arginine

Phentolamine An alpha-adrenergic blocker that prevents the sympathetic nervous system from constricting penile blood vessels, further enhancing blood flow and reducing the "fight or flight" response that can inhibit erections