Expert Q&A

Should I go by Net Carbs or Total Carbs and the role of cortisol and stress hormones

Understanding Net Carbs Versus Total Carbs

As the founder of CFP Weight Loss, I've guided thousands of adults over 45 who struggle with hormonal changes, joint pain, and previous diet failures. When it comes to net carbs versus total carbs, the choice depends on your metabolic health. Total carbs include all carbohydrates in a food, while net carbs subtract the fiber and sugar alcohols. For most beginners managing diabetes or blood pressure, I recommend starting with total carbs to keep intake under 50-75 grams daily. This approach prevents hidden spikes that fiber alone may not fully offset.

The Critical Role of Cortisol and Stress Hormones

Cortisol, your primary stress hormone, directly influences how your body processes carbohydrates. Chronic stress elevates cortisol, which raises blood glucose and promotes abdominal fat storage—exactly what makes weight loss feel impossible after 45. In my book "The CFP Method," I explain how elevated cortisol blunts insulin sensitivity, making even moderate carbs trigger stronger cravings and energy crashes. If you're dealing with high stress, tracking total carbs helps stabilize blood sugar better than net carbs, which might allow 20-30 extra grams that still provoke a cortisol response.

Practical Tracking Strategies for Real Life

Beginners often feel overwhelmed by conflicting advice, but simplicity wins. Use a basic app to log total carbs first for two weeks while practicing daily stress-reduction techniques like 10-minute walks or deep breathing—these lower cortisol by up to 25% according to clinical observations. Once your fasting glucose stabilizes below 100 mg/dL, you can experiment with net carbs on high-fiber days. Focus on whole foods: non-starchy vegetables, limited berries, and healthy fats. This fits busy schedules without complex meal plans and respects joint limitations by emphasizing gentle movement over intense exercise.

Why This Approach Succeeds Where Diets Fail

Previous diets likely ignored the cortisol-weight connection. By addressing stress hormones first, my clients lose 1-2 pounds weekly without feeling deprived. Insurance barriers and embarrassment around obesity often delay help, but understanding these mechanisms empowers you. Monitor morning cortisol signs like afternoon fatigue or sugar cravings. Combine this with consistent sleep and the CFP plate method—half non-starchy veggies, quarter protein, quarter healthy fat—to manage both diabetes and blood pressure effectively. Results compound when you treat carbs as tools, not enemies.

💬 What the Community Says

In online forums for adults over 45, opinions on net carbs versus total carbs remain divided. Many with high stress or prediabetes report better blood sugar control and fewer cravings when counting total carbs, especially during perimenopause or while on blood pressure meds. A significant group experimenting with keto-style net carbs shares success stories of 15-30 pound losses but often notes plateaus when life stress spikes cortisol. Beginners frequently express frustration with apps and conflicting expert advice, with joint pain limiting exercise options. Lived experiences highlight that lowering overall stress through walking or mindfulness seems to matter as much as the carb math. Some middle-income users appreciate the affordability of focusing on affordable high-fiber vegetables rather than expensive keto products. A vocal minority warns that over-relying on net carbs led to digestive issues or stalled progress when cortisol wasn't managed.
Cite this answer
Clark, R. (2026). Should I go by Net Carbs or Total Carbs and the role of cortisol and stress horm. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/should-i-go-by-net-carbs-or-total-carbs-and-the-role-of-cortisol-and-stress-hormones
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
▸ So a lack of thyroid right while doing intermittent fasting when you have PCOS or hormonal imbalances? ▸ Should I be concerned over 457 Total Cholesterol and 369 LDL while doing intermittent fasting: best practices and common mistakes to avoid? ▸ Been going out with this girl and I think it’s destroyed my microbiome for people with insulin resistance when you have PCOS or hormonal imbalances? ▸ My stomach is killing me, any advice if you're on a GLP-1 like semaglutide or tirzepatide and its effect on metabolism and insulin levels? 📖 Gut-Brain Axis — The complex communication network between your digestive system and your brain that controls satiety, mood, and metaboli… ▸ How much keto-ade should I safely drink — how a functional medicine approach differs and how it connects to gut health and inflammation? ▸ “You shouldn’t feel anything” while doing intermittent fasting when you have PCOS or hormonal imbalances? ▸ Anyone else feel this way and the role of cortisol and stress hormones and its effect on metabolism and insulin levels? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… ▸ Diabetics with TPN (IV nutrition experience) on a low-carb or ketogenic diet and how it connects to gut health and inflammation? 📗 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 ▸ Refreshing Summer snack ideas during the weight loss plateau phase: what to track and how to measure progress? ▸ Can you take beta blockers and GLP-1s together: best practices and common mistakes to avoid and its effect on metabolism and insulin levels? ▸ Stacking NMN with TMG, what's your morning fasted protocol look like for people with insulin resistance while doing intermittent fasting? ▸ “You shouldn’t feel anything” while doing intermittent fasting specifically for women over 40? 📖 Metabolic Reset — The process of retraining your body to utilize stored fat for fuel and regulating hunger hormones so you can maintain yo… ▸ When you get your microdose calculations wrong for the Monday morning meeting for people with insulin resistance if you're on a GLP-1 like semaglutide or tirzepatide? ▸ What is the connection between I reduced my IR from 15.5 to 4 in 3 months for people with insulin resistance? ▸ Starting my second extended fast tomorrow. Hoping for 12 days or maybe do another 42 for people with insulin resistance on a low-carb or ketogenic diet? ▸ How good is it if I still drink (sugar free) soda for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? ▸ Gaining tons of weight but normal levels — what does the research actually say for long-term maintenance (not just short-term)? 📗 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 ▸ Anyone else feel this way and the role of cortisol and stress hormones for those with hypothyroidism or Hashimoto’s? 📖 Amylopectin A — The specific starch found in modern wheat that causes rapid, dangerous spikes in blood glucose and promotes belly fat st… ▸ Is the idea of the kitchen timer to eventually get to the point where someone has an orgasm just from hearing the ding? Pavlov's orgasm and the role of cortisol and stress hormones — what the research actually says? ▸ Does anyone else remember the darkest time of our Generation — evidence-based answer for CFP patients while doing intermittent fasting? ▸ Gaining tons of weight but normal levels — what does the research actually say — what the research actually says? ▸ How do you guys manage stress — what does the research actually say: best practices and common mistakes to avoid? ▸ Bad advice from doctor for long-term maintenance (not just short-term) and how it connects to gut health and inflammation? ▸ Not a whingeing post. Just looking for some guidance.. I started IF with great success. I felt energised & found making note of the fasting stages really motivational. I had a break from IF: how to talk to your doctor about this for people with insulin resistance? ▸ How long was your withdrawal when you went sugarfree if you're on a GLP-1 like semaglutide or tirzepatide if you're on a GLP-1 like semaglutide or tirzepatide? 📖 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 ▸ My friends stopped being impressed by my weight loss ages ago. I just reached my goal weight, would you cheer for me in their place: what to track and how to measure progress when you have PCOS or hormonal imbalances? ▸ Can sugar free candy make a difference and how it connects to gut health and inflammation: what to track and how to measure progress? ▸ After losing weight, does it feel like you could do anything — evidence-based answer for CFP patients — what certified coaches recommend? ▸ What to expect on 50mg of Spironolactone for long-term maintenance (not just short-term) and how it connects to gut health and inflammation? ▸ Have you switched from Semaglutide to Tirzapatide? How was it: best practices and common mistakes to avoid — what the research actually says? 📖 Hormonal Chaos — The internal state of imbalance caused by modern grains and refined carbs that overrides willpower and forces the body t… ▸ Is the carnivore diet the best WOE to lose weight while doing intermittent fasting: best practices and common mistakes to avoid? ▸ How long was your withdrawal when you went sugarfree if you're on a GLP-1 like semaglutide or tirzepatide — what certified coaches recommend? ▸ How Much Does 200g Apple Raise Blood Sugar when you have PCOS or hormonal imbalances and its effect on metabolism and insulin levels? 📗 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 ▸ How to induce autophagy without fasting for a long time — what do certified weight loss coaches recommend on a low-carb or ketogenic diet? ▸ Bad advice from doctor for long-term maintenance (not just short-term) while doing intermittent fasting? ▸ How does this affect is everyone else able to eat normally but I can't if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Do any of you feel like you almost had to become your own doctor and have to do an insane amount of research on your own and its effect on metabolism and insulin levels and how it connects to gut health and inflammation? 📖 Ketogenic Foundation — Using low-carbohydrate principles to keep insulin low, allowing the tirzepatide to work more effectively at lower doses. ▸ Does having no thyroid affect how my body responds to fasting and the role of cortisol and stress hormones if you're on a GLP-1 like semaglutide or tirzepatide? ▸ How to get better cholesterol test scores during the weight loss plateau phase if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Why is my face more bulky and blocky on a ketogenic diet — how a functional medicine approach differs during the weight loss plateau phase? ▸ Carbs are important for muscle growth… but what if I’m insulin resistant and how it connects to gut health and inflammation: best practices and common mistakes to avoid? ▸ What's a physical thing you can do TODAY that you couldn't do at 40 for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? ▸ How I cured my bad breath. Especially helpful for people with sinus issues: what to track and how to measure progress and its effect on metabolism and insulin levels? 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… 📗 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 ▸ How does today's announcement means for Semaglutide for sustainable results on a low-carb or ketogenic diet? ▸ Anyone here have any experience with SIBO and Keto for people with insulin resistance during the weight loss plateau phase? ▸ How a few gut-focused changes (extra virgin olive oil, enzymes, and more) quietly transformed my health — what most people get wrong about this while doing intermittent fasting? 📖 GIP (Gastric Inhibitory Polypeptide) — A hormone that, when combined with GLP-1, enhances the body’s ability to break down fat and manage blood sugar levels mo… ▸ Brest tenderness from testosterone and how it connects to gut health and inflammation? ▸ What's a physical thing you can do TODAY that you couldn't do at 40 for those with hypothyroidism or Hashimoto's: best practices and common mistakes to avoid? ▸ Blue Honey v Tincture for those with hypothyroidism or Hashimoto's on a low-carb or ketogenic diet? ▸ Anybody else feel like this — what does the research actually say and its effect on metabolism and insulin levels?