MON – SUN: 9am – 6pm PST

Rythmia Life Advancement Center is a medically licensed life transformation center situated in Guanacaste Costa Rica, our areas of focus are, drug and alcohol addiction, general health and wellness and spiritual development.



Dr. Sherrill Sellman, ND, acclaimed best-selling author, international lecturer, naturopathic doctor ((Board Certified in Integrative Medicine), psychotherapist and radio host, is a health super sleuth uncovering the latest discoveries and solutions for the health challenges that are facing so many people these days. She was aging before her time struggling with Hashimoto’s Thyroiditis, an autoimmune disorder, depression, insomnia, panic attacks, chronic hay fever, hormonal imbalances, adrenal exhaustion, arthritis and being overweight. She successfully reversed all these conditions and reclaimed radiant health.


Dates:AUGUST 20 – 27, 2017

Dr. Sherrill has personally experienced the early onset of aging with symptoms of arthritis, thyroid imbalances, chronic hay fever, gut problems, obesity,  insomnia, hormonal imbalances and depression while in her early 40’s – all signs of an aging body.   Out of necessity, she began investigating how to reverse these conditions naturally and succeeded is resolving all of her these health issues.

Call (844) 236-5674

Create your Rythmia Experience

Here’s what’s included with your 7 or 14-night journey…

  • Michael Bernard Beckwith’s “The Answer Is You” Life Transformation Program
  • Shiva Rea’s Prana Vinyasa solar & lunar yoga
  • Gerard Powell’s About Your Miracle
  • Farm-to-table organic locally-grown food, prepared fresh daily
  • Fresh juices
  • Life coaching
  • Licensed psychological counselors
  • Licensed naturopathic assistance
  • Massage
  • Day spa
  • Costa Rican volcanic mud baths
  • The Dead Sea Cleanse, colon hydrotherapy
  • Meditation instruction
  • Beaches
  • Bicycling

“Rythmia Presents” is a workshop series of interactive experiences with your favorite thought leaders, cultural creatives and change makers to help you activate new thinking and receive inspiration to become more authentic and awakened. As our gift to you, these up close and personal experiences with these luminaries are included in your visit.

Luminaries will interact and share eight hours with guests each week: Monday, Tuesday, Wednesday, Thursday: 1 – 3 p.m.

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Rythmia specializes in life transformation, health and wellness using the most breakthrough modalities.