Within 24 hours. Taken as directed one day before traveling from low to high altitude and throughout your initial stay in the mountains, Altitude RX boosts the saturation of oxygen in your bloodstream and maximizes your metabolism, so you feel as energized and healthy at high altitude as you do near sea level.

Altitude RX is the best available combination of safety and efficacy. The active components in Altitude RX have been demonstrated to increase oxygen levels and reduce symptoms of Acute Mountain Sickness. Our formula includes specialized and clinically tested natural ingredients, including ginkgo biloba, rhodiola rosea, alpha-lipoic acid and vitamins C and E.

Yes! Active compounds in the proprietary OxyBoost™ complex have been cited in hundreds of scientific studies. No adverse side effects have been reported following use of Altitude RX.

Altitude RX is the most complete natural formula on the market, containing the five natural ingredients shown by science to be the most effective in decreasing the symptoms of altitude sickness. To learn more, read our blog post "How Do the Ingredients in Altitude RX Help Prevent Altitude Sickness?"

At Native Origins, we are confident in our products and committed to providing our customers with the most advanced health supplements on the market. With our 90-day money-back guarantee, returns are as easy as 1-2-3!

With our 90-day, money-back guarantee, returns are as easy as 1-2-3!

If you’re anything less than 100% satisfied, return the empty bottle within 90 days for a full refund, minus the cost of shipping. No questions asked!

Altitude RX is manufactured in the United States in a fully temperature-controlled, FDA-inspected facility that complies with Good Manufacturing Practices (GMP) to ensure purity and accuracy of materials through inspection and evaluation at every step of production and packaging.

Our Subscribe & Save program offers you deep discounts on our products and free shipping on many of them. We will ship your next supply of Altitude RX single bottle (monthly) or 3 pack (every 3 months) according to the schedule you selected from the date of your first order. Thereafter, you will continue to receive a fresh supply of Altitude RX every 1-3 months for as long as you stay a member of our Subscribe & Save program. The card you provided when you ordered your first bottle will be automatically charged the same discounted price on future orders. You may cancel up to three business days before your next order is processed, no questions asked.