We were worried about the altitude in Peru and were willing to try ANYTHING to help with the side effects – but this is NOT a ringing endorsement:
Inside the Cusco airport we spotted a cure for the light-headed feeling and sleepiness that the low oxygen at high altitude can bring on, a booth with something called OxiShot. But wait, the clerk is out cold, must be the thin air.
More on The Sacred Valley and Machu Picchu in Peru! https://www.gypsynester.com/peru.htm
Here’s how we ended up actually dealing with the altitute in Peru: https://www.gypsynester.com/peru-altitude.htm