Raphael Sirtoli, M.Sc.
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Raphael Sirtoli, M.Sc.

Science Writer
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Raphael Sirtoli has an M.Sc. in molecular biology and is a Ph.D. candidate in health sciences at the Behavioral and Molecular Lab in Portugal. Raphael co-founded Nutrita, makers of a food tracking app that focuses on diet quality rather than calorie counting. His interest in general health leads him to a broad study of the relevant fields, like paleoanthropology, clinical medicine, epidemiology, biochemistry, endocrinology, and immunology to name but a few. He loves open scientific debate, Crossfit, football, hiking, and cold water immersion.

Twitter: @raphaels7

Instagram: raphaels711

Website: https://nutrita.app

Raphael Sirtoli, M.Sc.
Meet The Expert

What makes you an expert on The Paleo Diet?

In my early twenties, I came to appreciate why evolution by natural selection is probably the most powerful idea in biology. I have applied that framework to nutrition and clinical medicine ever since.

Describe the impact The Paleo Diet has had on your (and/or your family's) life?

Evolutionary biology has brought order to the chaotic world of nutrition, enabling me and my loved ones to successfully self-experiment with dietary changes.

What does “healthy living” mean to you? And what do you like to eat when you go to the movies? 

Healthy living means sharing simple day-to-day experiences with a clear mind and a pain-free body alongside the people you love. At the movies, it's a keto cheesecake!

What do you enjoy doing when you are not writing for The Paleo Diet? 

I try to spend as much time as I can in nature with those I love, as well as read lots of fascinating scientific studies that I haven’t had a chance to get to yet.

See The Articles
How Much Linoleic Acid Do You Need?
We review the impact that different dietary fats, including polyunsaturated fats like linoleic acid, have on your health.
By Raphael Sirtoli, M.Sc.
Fueling a Healthy Brain
Does the brain need glucose or ketones to function at its best? Brain energetics is a complicated issue, and different types of diets show promise for optimal brain health.
By Raphael Sirtoli, M.Sc.
Inflammatory Bowel Disorders: Crohn’s Disease and Ulcerative Colitis According to the Mismatch Hypothesis (part 2)
In part 2, we explore the official guidelines for treating IBD and how successful they are at helping patients avoid surgery. We also review the non-pharmaceutical interventions such as diet.
By Raphael Sirtoli, M.Sc.
Inflammatory Bowel Disorders: Crohn’s Disease and Ulcerative Colitis According to the Mismatch Hypothesis (part 1)
Are environmental factors driving the rise of IBDs? See more about the etiology, symptoms, and potential treatments of Crohn’s and ulcerative colitis.
By Raphael Sirtoli, M.Sc.
Are humans carnivores? The evolution of our place in the food web
What did our ancestors eat? What was trying to eat us? Take a closer look at the basis for a carnivorous human trophic level through the assessment of diet quality, anatomy, dental health and more
By Raphael Sirtoli, M.Sc.
Paleo Leadership
Trevor Connor
Trevor Connor

Dr. Loren Cordain’s final graduate student, Trevor Connor, M.S., brings more than a decade of nutrition and physiology expertise to spearhead the new Paleo Diet team.

Mark J Smith
Dr. Mark J. Smith

One of the original members of the Paleo movement, Mark J. Smith, Ph.D., has spent nearly 30 years advocating for the benefits of Paleo nutrition.

Nell Stephenson
Nell Stephenson

Ironman athlete, mom, author, and nutrition blogger Nell Stephenson has been an influential member of the Paleo movement for over a decade.

Loren Cordain
Dr. Loren Cordain

As a professor at Colorado State University, Dr. Loren Cordain developed The Paleo Diet® through decades of research and collaboration with fellow scientists around the world.