Ive been using Optygen hp for several years. Really helps with my endurance.
Only wish it weren't so high priced!
Detroit Randonnuers member
I used Optygen before but not the H.P. and feel even better with the H.P. than the other Optygen.
Our complete inventory is available at our warehouse store located just of I-205 one exit south of PDX airport.
5741 NE 87th Ave(I-205 exit 23B)Portland, OR 97220
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Customer Service HoursMon-Sat: 8am - 5pm PT
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