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Nutrition with Judy | Carnivore Diet
The Nutrition with Judy podcast is for people who are tired of surface-level wellness advice and want to understand what is really driving chronic symptoms, inflammation, metabolic dysfunction, gut issues, autoimmune patterns, and complex illness.
Hosted by Judy Cho, Board-Certified Holistic Nutritionist, functional medicine practitioner, and author of Inflammation Fix, the show explores root-cause healing through the lens of nutrition, environment, nervous system regulation, clinical pattern recognition, and personal responsibility.
Drawing from thousands of client cases, clinical insights, and conversations with leading experts in nutrition, psychology, medicine, and research, Judy breaks down complex health topics in a way that helps listeners become more informed, discerning, and self-advocating.
After rebuilding her own health through a carnivore elimination diet and a root-cause approach, Judy’s mission is to help people better understand their bodies and live the life they are meant to live, nearly symptom-free.
Nutrition with Judy | Carnivore Diet
399. He Ate Only Sardines for 5 Days. Then We Tested His Blood
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Robert Sikes put the viral sardine fast to a controlled test: five days of eating approximately 18 cans of sardines per day while maintaining roughly 3,000 calories. In this interview, Judy Cho and Robert examine what happened to his weight, blood glucose, ketones, energy, inflammation, hunger, and overall performance—and why his experience differed from the dramatic weight-loss results commonly shared across the keto and carnivore communities.
They also review Robert’s bloodwork before, immediately after, and several weeks after the sardine challenge, including arsenic, mercury, lead, cholesterol, thyroid markers, and SHBG. The conversation explores whether sardine fasting produces unique metabolic benefits, what may actually drive the rapid changes people report, and how extreme short-term diets can affect metabolic health, binge-restriction patterns, and long-term weight-loss success.
We discuss the following:
- Sardine challenge preview
- Why Robert tested sardine fasting
- Eating 18 sardine cans daily
- Glucose rose while ketones dropped
- Why people do sardine fast
- Restriction, bingeing, and quick fixes
- Heavy metals after sardine challenge
- The appeal of extreme fasting
- Should people fear mercury in sardines?
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*DISCLAIMER: This content is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. It should not replace professional medical advice.
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