MDPHP is known for its stimulant Qualities and should raise energy, aim, and alertness. it's thought to act as a dopamine and norepinephrine reuptake inhibitor, bringing about amplified amounts of these neurotransmitters inside the brain. Mar 2, 2018 #13 It's Bizarre to me that MDPHP freebase is sold as a powder. Many of these chems (mdpv, apvp, a