Expert Q&A

Can we all agree that Endocrinologists are simply crap when it comes to thyroid health and its effect on metabolism and insulin levels

The Frustration Is Real: Thyroid Care That Falls Short

I've heard from hundreds of adults in their late 40s and 50s who feel dismissed by conventional endocrinologists. Many arrive with sluggish metabolism, creeping weight gain, and blood sugar swings only to be told their TSH is "normal" and offered no further help. This leaves people managing diabetes, high blood pressure, and joint pain without addressing the root hormonal drivers. The truth is that standard thyroid panels rarely capture the full picture of how low thyroid function slows calorie burn and promotes insulin resistance.

What Standard Endocrinology Often Overlooks

Most endocrinologists rely on TSH and free T4 while ignoring free T3, reverse T3, and thyroid antibodies. Yet T3 is the active hormone that directly controls metabolic rate—research shows every 1-point drop in free T3 can reduce daily calorie expenditure by up to 100 calories. They also rarely connect the dots between hypothyroidism and rising insulin levels that make fat storage easier, especially during perimenopause when estrogen declines. In my experience guiding complete beginners, this narrow focus explains why so many feel their hormones are "working against them" despite "normal" labs. Insurance rarely covers advanced testing, compounding the problem for middle-income families already overwhelmed by conflicting nutrition advice.

A Practical Approach That Actually Moves the Needle

My methodology in the CFP Weight Loss program starts with comprehensive labs including free T3, reverse T3, fasting insulin, and HbA1c. We target optimal free T3 between 3.2–4.2 pg/mL for metabolic recovery, not just "in-range" values. Gentle movement that respects joint pain—such as 20-minute incline walks—combined with protein-first meals (30g at breakfast) stabilizes blood sugar without complex plans. Many clients see 8–12 lb loss in the first 8 weeks once insulin sensitivity improves and thyroid conversion is supported with nutrients like selenium (200 mcg) and zinc (15–30 mg). This isn't another failed diet; it's a sustainable system that works alongside blood pressure and diabetes management.

Empowering Yourself Beyond the Exam Room

You don't need to feel embarrassed asking for better care. Track symptoms like cold hands, brain fog, and post-meal fatigue in a simple journal, then request full thyroid and metabolic labs. If your current provider dismisses these, seek a functional practitioner who understands the interplay between thyroid, cortisol, and insulin. Thousands in our community have reversed the cycle of yo-yo dieting by focusing on hormone optimization first. Start small: swap one processed snack for a hard-boiled egg and 10 minutes of movement daily. Real progress begins when you address the metabolic brakes that standard care often misses.

💬 What the Community Says

The community is split on endocrinologists and thyroid care. Many in their 40s and 50s describe frustrating visits where doctors glance at TSH, declare labs normal, and offer no solutions for stubborn weight, fatigue, or rising blood sugar. A vocal minority report positive experiences with specialists who ordered complete panels and adjusted medication based on symptoms, but most practitioners find this rare within insurance-covered visits. Lived experiences frequently mention feeling dismissed about the link between low T3, insulin resistance, and metabolic slowdown, especially during hormonal shifts. Online forums show beginners swapping stories of switching to functional providers for better results, while others warn against self-treating without guidance. Overall sentiment reflects deep skepticism toward conventional thyroid management yet cautious optimism when patients advocate for deeper testing and lifestyle changes that respect joint pain and busy schedules.
Clark, R. (2026). Can we all agree that Endocrinologists are simply crap when it comes to thyroid . *CFP Weight Loss*. https://blog.cfpweightloss.com/ask/can-we-all-agree-that-endocrinologists-are-simply-crap-when-it-comes-to-thyroid-health-and-its-effect-on-metabolism-and-insulin-levels
Russell Clark, 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.

Have a follow-up question?
More Questions 200 answered
How I reversed insulin resistance in 6–8 months — what do certified weight loss coaches recommend? Is it normal to gain 3 lbs back after a sudden 6 lb weight loss? Does Autophagy eat fat cells while doing intermittent fasting What’s the smallest habit that helped your insulin resistance the most for long-term maintenance (not just short-term) 📖 One Box Protocol — A revolutionary approach where we stretch one 60 mg box of tirzepatide across three metabolic phases, prioritizing long-… DO NOT TAKE INOSITOL IF YOU'RE NOT INSULIN RESISTANT when you have PCOS or hormonal imbalances App that can predict symptoms before they get bad — how a functional medicine approach differs Should i really be aiming for 45 zone 2 minutes per day for fat loss while doing intermittent fasting How I feel every time I go grocery shopping while doing intermittent fasting Rheumatoid Arthritis results if you're on a GLP-1 like semaglutide or tirzepatide Retatrutide - possible unknown neuroendocrine (CNS) risks? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Should i really be aiming for 45 zone 2 minutes per day for fat loss and the role of cortisol and stress hormones E Patch to Injections how long did you leave your patch on — how a functional medicine approach differs Anyone have experience switching from compound injection to pill and its effect on metabolism and insulin levels 📖 Metabolic Flexibility — The body’s ability to efficiently switch between burning carbohydrates and burning stored body fat based on availability… What is the right way to intermittent fast? Did exercise ever get rid of fatigue from insulin resistance and its effect on metabolism and insulin levels Semaglutide + lifting — how are you fueling workouts on low calories — how a functional medicine approach differs Can we stop posting good glucose levels and pretending they are bad for people with insulin resistance Has anyone used Willow for people with insulin resistance What has autophagy cured/made better in you and the role of cortisol and stress hormones 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… Has anyone with multiple sclerosis seen improvement while on PP and its effect on metabolism and insulin levels 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Would doing this 2-3x a week help increase my Vo2 max specifically for women over 40 Am I better off increasing my frequency of sessions per week, or my duration of each session and the role of cortisol and stress hormones 📖 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… Is estriol as effective as estradiol for clitoral atrophy and the role of cortisol and stress hormones Does the bloating really ever get better — how a functional medicine approach differs Dr Gundry: the 120+80 supplements he himself takes daily while doing intermittent fasting Biochemistry. Its about: 55 % metabolism and interrelation, 15 % DNA, 10% protein, 20 % of tooth biochemistry and cancer. I have only pictures of this example test given to me so I can't post it and how it connects to gut health and inflammation What the hell is wrong with this sub for people with insulin resistance How it goes trying to dose insulin every day and its effect on metabolism and insulin levels When feeling down, remember that PCOS is what helped our ancestors survive and the role of cortisol and stress hormones 📖 Refined Carbohydrates — Processed sugars and flours that strip the body of nutrients while driving the hormonal chaos responsible for the modern… Ive been taking 15mg of tirzepatide for a year and my weight has stalled out with no diet change. What can I do? 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Has anyone switched from brand name Premarin to the new recently released generic conjugated estrogens and feels like it is not working as well for people with insulin resistance DO NOT TAKE INOSITOL IF YOU'RE NOT INSULIN RESISTANT if you're on a GLP-1 like semaglutide or tirzepatide Does the estradiol gel-associated bloating subside? Had my hashi’s annihilated thyroid removed today — how a functional medicine approach differs Insomnia while taking oral minoxidril while doing intermittent fasting How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose weight for a long time while doing intermittent fasting 📖 Weight Set Point — The internal 'thermostat' for body weight that we aim to lower permanently through our 30-week metabolic reset. Oval twice a week patch - what was I using and the role of cortisol and stress hormones What would be the cause of insulin resistance: best practices and common mistakes to avoid 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Has anyone reversed insulin resistance without medication: how to talk to your doctor about this 📖 Satiety Signal — The biological 'off switch' for hunger that our protocol restores by healing the gut and balancing blood sugar levels. Resting heart rate unchanged after 2 years of consistent running — how a functional medicine approach differs How many of you with PCOS had a narcissistic parent growing up while doing intermittent fasting What is the Role of Metabolism in Immune System while doing intermittent fasting How do you know you are in meno if you take continuous bc — how a functional medicine approach differs Does drinking zero sugar sprite, affect the fast? Why is almost all the focus in treating PCOS on fertility for people with insulin resistance 📖 Muscle Sarcopenia — The dangerous loss of lean muscle mass often seen in traditional 'crash diets' or high-dose GLP-1 use, which we combat t… Post menopausal bleeding — how a functional medicine approach differs When men recognize symptoms — how a functional medicine approach differs Can we talk about the founder and the role of cortisol and stress hormones 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Would doing this 2-3x a week help increase my Vo2 max — how a functional medicine approach differs Starting 2.5 mg of the Zepbound Kwikpen tonight. Any tips to get started?