EPISODE · Dec 9, 2025 · 1H 8M
Episode 509: Renee Fitton: Fast-Mimicking: A Smarter Way to Support Longevity
from Habits and Hustle · host Jen Cohen
How do you build real longevity without getting trapped in extreme protocols or daily routines that drain you instead of helping you? In this episode of Habits & Hustle, I sit down with a dietitian with a Master’s in Longevity Nutrition to talk about what actually supports aging well. We look at simple, practical strategies that make your body stronger instead of pushing it into burnout. We get into why fast-mimicking works so well, how it triggers real cellular repair, and why short, focused cycles beat everyday restriction. We also talk about muscle protection, what women in midlife need to pay attention to, and the metabolic shifts that happen when you stress the body the right way. Renee Fitton is a longevity dietitian with a Master’s in Longevity Nutrition and VP of Growth at ProLon. She brings a decade of experience in evidence-based nutrition and real-world strategies that help people build a healthier, stronger future. Tune in. What We Discuss: (06:06) What longevity means and why the focus needs to stay on healthspan (09:42) The habits that drive people into decline earlier than they expect (13:29) How environment, access and daily choices shape long-term health (18:09) What happens in the body during a fast and why repair matters with age (20:01) Why multi-day fasts create deeper benefits than everyday restriction (26:32) How fast-mimicking supports fasting benefits while keeping muscle intact (38:26) The changes people notice after five days, from skin to metabolism (44:40) Why finishing a reset often leads to stronger energy and consistency Thank you to our sponsors: Prolon: Get 30% off sitewide plus a $40 bonus gift when you subscribe to their 5-Day Program! Just visit https://prolonlife.com/JENNIFERCOHEN and use code JENNIFERCOHEN to claim your discount and your bonus gift. Therasage: Head over to therasage.com and use code Be Bold for 15% off Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE40 for up to $300 off and a 3-year warranty on air purifiers. Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout. Momentous: Shop this link and use code Jen for 20% off Manna Vitality: Visit mannavitality.com and use code JENNIFER20 for 20% off your order Amp fit is the perfect balance of tech and training, designed for people who do it all and still want to feel strong doing it. Check it out at joinamp.com/jen Find more from Jen: Website: www.jennifercohen.com Instagram: @therealjencohen Books: www.jennifercohen.com/books Speaking: www.jennifercohen.com/speaking-engagement Find more from Renee Fitton: Website: www.fittonnutrition.com Instagram: @fittonnutrition
What this episode covers
How do you build real longevity without getting trapped in extreme protocols or daily routines that drain you instead of helping you? In this episode of Habits & Hustle, I sit down with a dietitian with a Master’s in Longevity Nutrition to talk about what actually supports aging well. We look at simple, practical strategies that make your body stronger instead of pushing it into burnout. We get into why fast-mimicking works so well, how it triggers real cellular repair, and why short, focused cycles beat everyday restriction. We also talk about muscle protection, what women in midlife need to pay attention to, and the metabolic shifts that happen when you stress the body the right way. Renee Fitton is a longevity dietitian with a Master’s in Longevity Nutrition and VP of Growth at ProLon. She brings a decade of experience in evidence-based nutrition and real-world strategies that help people build a healthier, stronger future. Tune in. What We Discuss: (06:06) What longevity means and why the focus needs to stay on healthspan (09:42) The habits that drive people into decline earlier than they expect (13:29) How environment, access and daily choices shape long-term health (18:09) What happens in the body during a fast and why repair matters with age (20:01) Why multi-day fasts create deeper benefits than everyday restriction (26:32) How fast-mimicking supports fasting benefits while keeping muscle intact (38:26) The changes people notice after five days, from skin to metabolism (44:40) Why finishing a reset often leads to stronger energy and consistency Thank you to our sponsors: Prolon: Get 30% off sitewide plus a $40 bonus gift when you subscribe to their 5-Day Program! Just visit https://prolonlife.com/JENNIFERCOHEN and use code JENNIFERCOHEN to claim your discount and your bonus gift. Therasage: Head over to therasage.com and use code Be Bold for 15% off Air Doctor: Go to airdoctorpro.com and use promo code HUSTLE40 for up to $300 off and a 3-year warranty on air purifiers. Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout. Momentous: Shop this link and use code Jen for 20% off Manna Vitality: Visit mannavitality.com and use code JENNIFER20 for 20% off your order Amp fit is the perfect balance of tech and training, designed for people who do it all and still want to feel strong doing it. Check it out at joinamp.com/jen Find more from Jen: Website: www.jennifercohen.com Instagram: @therealjencohen Books: www.jennifercohen.com/books Speaking: www.jennifercohen.com/speaking-engagement Find more from Renee Fitton: Website: www.fittonnutrition.com Instagram: @fittonnutrition
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Episode 509: Renee Fitton: Fast-Mimicking: A Smarter Way to Support Longevity
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