about winnipeg nutritions team

Sara Siedleski

Sara is the owner of Winnipeg Nutrition. She practices Functional Medicine as a Registered Holistic Nutritionist.  Her passion is to see people reach their full potential by using diet, exercise, lifestyle changes and specific nutrition to create health.

Sara specializes in adrenal fatigue, hormone correction, thyroid disorders and digestive disorders / food allergies.


  • Canadian School of Natural Nutrition
  • Renai Sante Institute of Integrated Medicine
  • Functional Medicine University
  • American Academy of Anti Aging Medicine


  • Brimhall Certified Nutritionist¬†
  • Level 1 Certified Bach Flowers
  • BodyTalk Provider
About Sara Sideleski

Samantha Boswell

Samantha loves to help women optimally nourish their bodies throughout all stages of pregnancy, and postpartum. She is passionate about sharing with them how to use their diet for a thriving pregnancy and to ease common pregnancy symptoms, prepare their body for labor, and support themselves postpartum.


  • Institute of Integrative Nutrition


  • Moms Into Fitness
  • Pre and Post Natal Fitness Specialist
  • Pre and Post Natal Nutrition Specialist

Asher Kleiber

As a Registered Holistic Nutritionist, Asher helps women restore their gut health and optimize their energy through personalized nutrition, supplementation and lifestyle. She applies a holistic approach and works to help uncover the root cause of symptoms, to restore balance and heal from the inside out.

Her passion for natural health grew out of her strong desire to overcome her own chronic health issues and her mission is to teach others about the power of nutrition and help them flourish in every area of life.


  • Canadian School of Natural Nutrition


  • Anatomy of the Human Body from the University of Manitoba
  • Therapeutic Nutrition and Supplements in Practice by Josh Gitalis