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The reasoning is that oral bioavailability is ~4050%, and animal study HED conversions suggest higher doses may be needed for the full effect
doi: 10.1111/j.1365-2958.2005.04941.x
The Clinical Evidence Insomnia studies: A double-blind study examined DSIP in 16 chronic insomnia patients
Addict Biol 22(6):17061718
