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About This Episode:
“Personalized nutrition” has been promoted as an approach that will improve people’s health by prescribing them specific dietary recommendations based on their own genetic and phenotypic data.
The premise is that given we each respond differently to foods, having general dietary recommendations may be doing many people a disservice. And by using an array of personal data, it is now possible to give unique diets that improve health.
The early and interesting findings of research in this area was met with much fanfare, and indeed, many companies are now offering commercial direct-to-consumer services based on genetic and physiological testing, followed by “personalized” dietary prescription. Such testing may include genetic tests, microbiome testing, glucose monitoring data, and more. This data is then fed into machine learning algorithms to prescribe dietary recommendations.
However, do the marketing claims match the current evidence? Does the “proof” it works that is often cited, actually back up the claims? Do personalized nutrition diets actually lead to improved health outcomes over generic, conventional dietary recommendations? Do personalized nutrition diets lead to better outcomes than standard dietetic/nutrition practice?
To answer these questions, we go through the main studies cited in favor of personalized nutrition being superior to typical dietary advice, and see if they indeed support the claims.
So is personalized nutrition superior to standard dietary advice? Let’s find out…
Note: This is a Premium-exclusive episode, so in order to listen to the full episode you’ll need to subscribe to Sigma Nutrition Premium. However, you can listen to a preview here.
#521: How Does Coffee Impact Our Health?
#520: How Exercise Impacts Appetite, Food Intake and Adiposity – James Dorling, PhD
SNP28: How To Eat for Longevity
#519: Eating Disorders: Inpatient Treatment & Challenges – Helen West, RD
#518: Nutritional Geometry, Philosophy of Science & A Case for Reductionism – Prof. David Raubenheimer & Jonathan Sholl, PhD
#517: Reflecting on Ten Years of Lessons
#516: How to Read Nutrition Studies (Become Confident in Critically Appraising Research)
AMA: Do Low-carbers Need Less Vitmain C? Does Omega-3 Supplementation Actually Benefit Us? & More (SNP 27)
#515: Does Dietary Fat Quality Causally Affect Atherosclerosis Risk? – Jacob Christensen, PhD
#514: Plant-derived Fatty Acids – Ella Baker, PhD
#513: Kidney Stones & Diet – Deepa Kariyawasam, RD
What are Dietary Reference Intakes? Origins, Development & Use (SNP 26)
#512: Alzheimer’s Disease – Drs. Ayesha & Dean Sherzai
#511: Null By Design – When “No Effect” Doesn’t Mean No Effect
#510: Social Comparison: Evidence on its Impacts & What We Can Do – Shannon Beer
AMA: Coconut Oil, Raw Oats, Collagen, & More! (SNP 25)
#509: Helping Clients & Patients Overcome Nutrition Confusion – Jono Steedman, APD
#508: Why Athletes Can Achieve High Performance During an Energy Deficit – Jose Areta, PhD
#507: Does a Higher Portfolio Diet Score Reduce Heart Disease? – Andrea Glenn, PhD
Listener Q&A: Homocysteine, MUFA, Healhty BMI, and more! (Preview)
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