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Review on MTN OPS High Altitude Performance Supplement by Sheri Zhao

Revainrating 5 out of 5

Supplemental oxygen and energy at high altitude

Easy to swallow capsules. Even though I live at high altitude (Colorado) at moose camp they really helped me with my stamina and I was able to get through the steep terrain and not feel the wind. There are no pros or cons with this product. Excellent goods!

Pros
  • Health & Household
Cons
  • unreliable