Expert Q&A

Resting heart rate unchanged after 2 years of consistent running if you're on a GLP-1 like semaglutide or tirzepatide on a low-carb or ketogenic diet?

Understanding Resting Heart Rate on GLP-1 Medications

Many patients following low-dose tirzepatide cycling report their resting heart rate (RHR) remains stuck around 68-72 bpm even after two years of consistent running and a strict ketogenic diet. This is common in my Nashville clinic and aligns with what I detail in The 30-Week Tirzepatide Reset. The medication powerfully suppresses appetite and improves insulin sensitivity, yet it can blunt the expected cardiovascular adaptations from endurance training. Semaglutide and tirzepatide reduce sympathetic nervous system drive, which lowers exercise-induced heart rate spikes but often prevents the 5-10 bpm RHR drop typical in fit non-medicated runners.

The Impact of Low-Carb and Ketogenic Diets on Heart Rate Adaptation

A ketogenic diet shifts fuel sources to fat and ketones, which is excellent for reducing inflammation and stabilizing blood sugar—key for those managing diabetes and blood pressure alongside weight loss. However, without strategic carbohydrate cycling, it can limit mitochondrial efficiency in cardiac cells during higher-intensity runs. Patients often hit a metabolic plateau where RHR plateaus because the body conserves energy in a perceived low-fuel state. In our protocol, we address this by incorporating Japanese-style walking intervals and chaotic intermittent fasting only in maintenance phases, allowing the hypothalamus to recalibrate hunger and energy signals without constant restriction.

Root Causes and the Metabolic Freedom Mindset

The biggest mistake is relying on the GLP-1 alone without rebuilding metabolic health. Two years of running should lower RHR by improving stroke volume and vagal tone, but lectin inflammation, toxin burden, and hormonal changes in the 45-54 age group often counteract this. My book outlines a complete system with three 70-day cycles using real foods from our 221 lectin-free recipes, Detox Drops to clear toxins, and red light therapy to enhance cellular energy. This integrated approach—low-dose tirzepatide cycling plus daily habits—promotes true metabolic freedom. One patient, similar to our clinic success stories, dropped his RHR from 71 to 58 bpm by week 22 after adding red light sessions and precise walking protocols while staying on one box of tirzepatide total.

Practical Steps to Lower Your Resting Heart Rate

Track body composition weekly, not just scale weight, using apps that monitor trends in visceral fat. Aim for 8,000-10,000 steps daily with intervals: 3 minutes brisk, 2 minutes recovery. Use our Brown Detox Drops to support liver function, which indirectly aids cardiac efficiency. Incorporate the 69 Transformation Steps for consistency without overwhelming meal plans. Most importantly, shift from "medication dependency" to metabolic reset. Patients following the full 30-week protocol see RHR improvements of 8-12 bpm on average by focusing on root causes rather than quick fixes. This builds the lifelong habits that prevent joint pain from derailing progress and helps overcome hormonal barriers making weight harder to lose.

💬 What the Community Says

Forum users on Reddit's r/Semaglutide, r/Tirzepatide, and r/keto frequently discuss unchanged resting heart rates despite logging consistent miles and staying under 50g carbs daily. Many in their late 40s to mid-50s report RHR hovering in the high 60s after 18-24 months, with some noting it even rose slightly when first starting GLP-1s. The community is split between those who blame the medications for blunting cardio gains and others who credit keto for overall blood pressure improvements even if RHR stays flat. A vocal minority shares success after adding zone 2 training or deliberate refeeds, echoing experiences of reduced joint pain and better energy. Insurance coverage complaints and frustration with conflicting advice appear often, yet many appreciate non-scale victories like stable glucose numbers. Lived experiences highlight that beginners feel overwhelmed but find encouragement in stories of maintaining 30-50 pound losses without lifelong shots.
Cite this answer
Clark, R. (2026). Resting heart rate unchanged after 2 years of consistent running if you're on a . *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/resting-heart-rate-unchanged-after-2-years-of-consistent-running-if-you-re-on-a-glp-1-like-semaglutide-or-tirzepatide-on-a-low-carb-or-ketogenic-diet
Russell Clark, FNP-C, APRN, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

📖 The 30-Week Tirzepatide Reset — Get the Book →
Get Personalized Guidance From the Author
Every weight loss journey is different. Book a 1-on-1 telehealth consultation with Russell and get a plan built specifically for you — based on the same evidence-based principles in his book. Available to patients in all 50 states.
Book Your Consultation →
Have a follow-up question?
More Questions 200 answered
▸ Im eating so well that I accidently put my body in ketosis and how it connects to gut health and inflammation and its effect on metabolism and insulin levels? ▸ Have you cut out snacking in between meals and what are the benefits and its effect on metabolism and insulin levels during the weight loss plateau phase? ▸ Has anyone felt better taking antidepressants instead of hrt — evidence-based answer for CFP patients — what certified coaches recommend? ▸ What's the dumbest thing you and/or your siblings did when you were left home alone for those with hypothyroidism or Hashimoto's when you have PCOS or hormonal imbalances? 📖 Metabolic Stall — A plateau in weight loss often caused by hidden inflammation or hormonal adaptation, which we break using our specific 7… ▸ What is your best way to shift focus when starting and changing your HRT on a low-carb or ketogenic diet — what certified coaches recommend? ▸ Tips for maintenance: what’s yours for long-term maintenance (not just short-term): best practices and common mistakes to avoid? ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 and its effect on metabolism and insulin levels? ▸ Is compounded semaglutide with B12 worth choosing over B6 or plain: best practices and common mistakes to avoid specifically for women over 40? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances while doing intermittent fasting? ▸ What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month — how a functional medicine approach differs while doing intermittent fasting? 📖 Phase 1: Priming — The first 48 hours of a 70-day cycle focused on high-fat intake to prevent the brain from triggering a starvation respon… ▸ How does autophagy only happen whilst we sleep for sustainable results when you have PCOS or hormonal imbalances? ▸ My weight loss progress so far as a 23 year male who stared eating less unhealthy and does little to moderate exercise. Am I doing well — evidence-based answer for CFP patients for people with insulin resistance? ▸ Sugar free 2020, who's with me — what most people get wrong about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ What to do if you have to eat late dinners?? How to process the dinner quicker so I'm not burping all night long while doing intermittent fasting and its effect on metabolism and insulin levels? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for those with hypothyroidism or Hashimoto’s? ▸ What actually helps with the dryness when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ IBD + antidepressants + impossible weight loss… advice when you have PCOS or hormonal imbalances: what to track and how to measure progress? 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this: best practices and common mistakes to avoid? ▸ How I started this year vs. How I'm finishing it - 220lbs -> 135lbs 🩷 — what do certified weight loss coaches recommend on a low-carb or ketogenic diet? ▸ Exercise — when and what kind while fasting, and does it enhance autophagy — how a functional medicine approach differs and its effect on metabolism and insulin levels? ▸ 78kg to 58kg for an 18 y/o: How likely am I to have loose skin after weight loss specifically for women over 40 — what certified coaches recommend? ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better on a low-carb or ketogenic diet? ▸ Beef/Beef organs protein powder: what to track and how to measure progress if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Fitter or kidding myself: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Anti-Inflammatory Protocol — A way of eating that prioritizes whole foods and eliminates triggers to quiet the internal 'fire' that prevents fat cell… ▸ Diabetics with TPN (IV nutrition experience) and the role of cortisol and stress hormones on a low-carb or ketogenic diet? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ What is the connection between Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better and how it connects to gut health and inflammation? ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) — what the research actually says? ▸ Weight loss without GLP-1 — what does the research actually say while doing intermittent fasting? ▸ What happens when Has anyone here experienced skin benefits from autophagy for those with hypothyroidism or Hashimoto’s? 📖 Hashimoto’s Success — Achieving weight loss and reduced inflammation in thyroid patients by removing dietary triggers like lectins and modern … ▸ Best Curcumin Supplements: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ What’s your favorite toothpaste for people with insulin resistance — what the research actually says? ▸ How does chasing skinny ever get old for long-term results while doing intermittent fasting? 📖 CICO (Calories In, Calories Out) — An outdated model of weight loss that ignores the role of hormones; we challenge this by focusing on food quality and ho… ▸ Can autophagy regenerate muscle during physically active prolonged fast and how it connects to gut health and inflammation and its effect on metabolism and insulin levels? ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation specifically for women over 40? ▸ Thyroid tests all in range— but high calcium — how a functional medicine approach differs during the weight loss plateau phase? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Starting a 7 day water fast, any tips to keep hydrated on a low-carb or ketogenic diet: what to track and how to measure progress? 📖 Metabolic Reset — The process of retraining your body to utilize stored fat for fuel and regulating hunger hormones so you can maintain yo… ▸ Has anybody heard of or experienced improvement from neurological disorders through fasting and autophagy if you're on a GLP-1 like semaglutide or tirzepatide — what certified coaches recommend? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients — what certified coaches recommend? ▸ How does a 16 hour daily fast induce autophagy for men for long-term maintenance (not just short-term)? 📖 Non-Scale Victories (NSV) — Improvements in energy, sleep, and disease reversal that matter just as much as the numbers on the scale during your tra… ▸ What is your best way to shift focus when starting and changing your HRT on a low-carb or ketogenic diet and its effect on metabolism and insulin levels? ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say on a low-carb or ketogenic diet? ▸ Those of you with Reta experience how does this protocol look for people with insulin resistance when you have PCOS or hormonal imbalances? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Is it normal to lose 6 kg in one week during the weight loss plateau phase for long-term maintenance (not just short-term)? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet when you have PCOS or hormonal imbalances? ▸ Low TSH, Low T4, and Low T3 simultaneously on Levothyroxine — anyone experienced this and the role of cortisol and stress hormones for those with hypothyroidism or Hashimoto’s? ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress for those with hypothyroidism or Hashimoto’s? 📖 Metabolic Flexibility — The body’s ability to efficiently switch between burning carbohydrates and burning stored body fat based on availability… ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances when you have PCOS or hormonal imbalances? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for long-term maintenance (not just short-term)? ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress and how it connects to gut health and inflammation?