American College of Healthcare Sciences

Where tradition meets science.

About ACHS

American College of Healthcare Sciences is a world-renowned accredited online college. Our mission is driven by the principles and vision of our president, Dorene Petersen, who founded the college in 1978 as a pioneer in holistic health education. We award degrees, diplomas, certificates and microcredentials in Integrative Health, Aromatherapy, Holistic Nutrition, Herbal Medicine, and an MBA with Specializations in Integrative Health & Wellness and Sustainable Business.

Want to learn more?

Fill out this form and one of our helpful admissions advisors will get in contact with you to discuss your educational goals. We look forward to hearing from you!

Free Education

Enjoy and share our free online Continuing Education (CE) classes. We want to do all we can to help during these difficult times and have made these resources free. Together we are amazingly strong, resilient, and educated!

Free Ebook

View ACHS's guidance on essential oil safety and best practices in our Ebook Essential Oil Safety Guidelines.

Holistic Health Blog

The ACHS blog, which made the Best Holistic Health Blogs of 2020 list, covers all aspects of holistic health and wellness - Aromatherapy, Herbal Medicine, Holistic Nutrition, Coaching, Wellness, and more!

Enjoy these free essential oil blend recipes:

If you are excited to try out these DIY blends, head over to the Apothecary Shoppe where we specialize in certified organic and pesticide-free essential oils and wellness supplies!

All rights reserved. © American College of Healthcare Sciences 2020

5005 S. Macadam Ave, Portland, OREGON • • DEAC ACCREDITED