Poseidon Platinum 3500 capsule, 1-count per blister card, Distributed by: Poseidon, Made in the USA, UPC 0 95842 05876 0
Marketed Without An Approved NDA/ANDA: Product found to contain undeclared sildenafil and tadalafil making them unapproved drugs for which the safety and efficacy have not been established and therefore subject to recall.
Unknown; unable to determine due to firm's Ebay account being closed.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0654-2021