Expert Q&A

Should I be concerned over 457 Total Cholesterol and 369 LDL on a low-carb or ketogenic diet

Understanding Your Lipid Numbers on a Ketogenic Diet

As the founder of CFP Weight Loss and author of The Metabolic Reset, I've worked with hundreds of adults in their late 40s and 50s who see dramatic cholesterol shifts after starting a low-carb or ketogenic diet. Your total cholesterol of 457 mg/dL and LDL of 369 mg/dL are indeed elevated and deserve attention, but context is everything. On keto, many experience a temporary rise in LDL as the body mobilizes stored fat. This pattern, sometimes called lean mass hyper-responders, is common in people who lose weight quickly while staying under 50 grams of carbs daily.

Standard guidelines flag LDL above 190 mg/dL as high risk for cardiovascular disease. However, on a ketogenic diet your triglyceride levels usually drop and HDL often rises, improving your overall ratio. If your triglycerides are below 150 mg/dL and HDL above 50 mg/dL, the picture is less alarming than the raw LDL number suggests. Still, numbers this high warrant deeper testing rather than dismissal.

When to Be Concerned and What Tests to Request

Don't panic, but don't ignore these results either. Request an advanced lipid panel including ApoB, Lp(a), and particle size. Large, fluffy LDL particles common on keto are less atherogenic than small, dense ones. If ApoB remains very high, it signals increased plaque risk regardless of diet. Also check hs-CRP for inflammation and HbA1c for blood sugar control, especially if you're managing diabetes alongside weight loss.

In my program, we see joint pain and hormonal changes often improve with steady fat loss, but uncontrolled lipids can offset those gains. Insurance rarely covers advanced testing, so prioritize it out-of-pocket if possible—it's cheaper than future cardiac events.

Practical Steps to Lower LDL While Staying Low-Carb

You don't have to abandon keto. Focus on these evidence-based adjustments that fit busy middle-income lifestyles:

Track progress every 6-8 weeks. Most clients in The Metabolic Reset see LDL drop 30-60% within three months using these strategies while continuing to lose 1-2 pounds weekly without feeling deprived.

Long-Term Heart Health on Keto for Beginners

Your history of failed diets, embarrassment about obesity, and concerns over blood pressure make this a critical pivot point. A well-formulated ketogenic approach can reverse metabolic syndrome, but it must be personalized. If LDL stays above 300 mg/dL after 8-12 weeks of optimization, work with a doctor open to low-carb protocols. Many find combining keto with targeted nutrition beats traditional low-fat diets for sustainable weight loss and energy. Start simple: one change per week so you don't feel overwhelmed. Your body is adapting—give it the right support and these numbers can improve dramatically.

💬 What the Community Says

In online forums and support groups, people aged 45-55 on keto frequently report sharp LDL increases similar to 369 mg/dL, often accompanied by total cholesterol in the 400s. Many express anxiety about heart disease but note their doctors are split—some dismiss it as "diet-induced" while others order statins immediately. A common theme is frustration with conflicting advice: low-carb advocates point to improved triglycerides and energy levels, while traditional voices warn of long-term plaque risk. Those managing diabetes and joint pain say the diet helps blood sugar and mobility but fear insurance won't cover advanced testing like coronary calcium scans. Beginners often feel embarrassed asking for help and debate whether to add back healthy carbs or double down on fiber and exercise. Lived experiences vary widely; some see numbers normalize after 3-6 months, others switch to a Mediterranean-keto hybrid with success. Overall, the community is cautiously optimistic but hungry for practical, non-extreme solutions that fit real life.
Clark, R. (2026). Should I be concerned over 457 Total Cholesterol and 369 LDL on a low-carb or ke. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/should-i-be-concerned-over-457-total-cholesterol-and-369-ldl-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.

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
Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's if you're on a GLP-1 like semaglutide or tirzepatide? How long was your withdrawal when you went sugarfree for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? How to incorporate psyllium husk with intermittent fasting — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Autophagy — The body's natural 'housecleaning' process that occurs during fasting or low-insulin states, promoted during our mainten… Finally connected the dots between my thyroid, gut issues, and brain fog - why don't doctors look at the whole picture specifically for women over 40 for people with insulin resistance? Will eating meintenance calories make me lose weight for those with hypothyroidism or Hashimoto's on a low-carb or ketogenic diet? Can autophagy regenerate muscle during physically active prolonged fast and how it connects to gut health and inflammation: what to track and how to measure progress? 📖 Hashimoto’s Success — Achieving weight loss and reduced inflammation in thyroid patients by removing dietary triggers like lectins and modern … LDN is changing my life, will this last: best practices and common mistakes to avoid specifically for women over 40? Is it even worth it anymore — evidence-based answer for CFP patients for long-term maintenance (not just short-term)? Can autophagy regenerate muscle during physically active prolonged fast and how it connects to gut health and inflammation 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 What is your immediate go to for some relief during ha — what most people get wrong about this and its effect on metabolism and insulin levels? Why is almost all the focus in treating PCOS on fertility: what to track and how to measure progress specifically for women over 40? What is a ‘normal’ value for dawn phenomena for you for people with insulin resistance specifically for women over 40? 📖 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… What causes I reduced my IR from 15.5 to 4 in 3 months if you're on a GLP-1 like semaglutide or tirzepatide? How many were first diagnosed with OCD for long-term maintenance (not just short-term) during the weight loss plateau phase? Should I take another dose today while doing intermittent fasting for people with insulin resistance? When do you know to go to the hospital — evidence-based answer for CFP patients specifically for women over 40? Who still goes to steeplechase — what do certified weight loss coaches recommend 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 feel unhappy during weight loss when you have PCOS or hormonal imbalances while doing intermittent fasting? 📖 Cellular Detox — The process of clearing out metabolic waste and reducing cellular stress to allow for more efficient energy production a… What are some things you loved from your childhood that you (virtually) never see/experience anymore during the weight loss plateau phase and how it connects to gut health and inflammation? Can I just skip the broth — how a functional medicine approach differs — what the research actually says? What's the dumbest thing you and/or your siblings did when you were left home alone for those with hypothyroidism or Hashimoto's: what to track and how to measure progress? Is anyone else worried about judgment from others for those with hypothyroidism or Hashimoto's while doing intermittent fasting? How do you handle social settings and conversations with other people — what does the research actually say: best practices and common mistakes to avoid? When you want something sweet but still try to keep things somewhat low-carb and how it connects to gut health and inflammation for people with insulin resistance? 📖 Nutrient Density — Prioritizing foods that provide maximum vitamins and minerals per calorie to satisfy the brain and end the cycle of hidd… Does salt instantly relieve a slight headache for you if you're on a GLP-1 like semaglutide or tirzepatide for people with insulin resistance? 📗 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 Why cant i lose weight and am gaining weight when you have PCOS or hormonal imbalances on a low-carb or ketogenic diet? Do you think they read the responses they receive: how to talk to your doctor about this — what the research actually says? Has anyone here made their own custom CGM patches with a Cricut for those with hypothyroidism or Hashimoto's for long-term maintenance (not just short-term)? What do you do when you have to goto a restaurant or party and how it connects to gut health and inflammation if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Leptin Sensitivity — Restoring your brain's ability to hear the 'I am full' signal, which is often muted by high-sugar diets and systemic inf… Tesamorelin - conflicting information online- can I keep powder vials in freezer? Can I keep reconstituted vials in fridge — what do certified weight loss coaches recommend on a low-carb or ketogenic diet? Paleo/AIP cook book that 100% excludes eggs for those with hypothyroidism or Hashimoto’s? What are your thoughts on just removing wheat and grains, but not rice, corn or oats? Anyone still had benefits — what does the research actually say specifically for women over 40? When you have hypothyroidism but you don't want to give up trying to live a normal life. 🥲 when you have PCOS or hormonal imbalances — what certified coaches recommend? What is happening? Is this normal and its effect on metabolism and insulin levels: best practices and common mistakes to avoid? 📗 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 Are y’all strict 100% paleo or eat ultra processed food in moderation while doing intermittent fasting and how it connects to gut health and inflammation? 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… IBD + antidepressants + impossible weight loss… advice when you have PCOS or hormonal imbalances — what certified coaches recommend? Should Endotoxin be the norm from vendors along with COA’s and how it connects to gut health and inflammation specifically for women over 40? Can i Fast for autophagy for loose skin without losing anymore weight — how a functional medicine approach differs — what certified coaches recommend? Is compounded semaglutide with B12 worth choosing over B6 or plain: best practices and common mistakes to avoid and how it connects to gut health and inflammation? Making me super tired and in a dreamy, chill, ready for a nap state for most of the day and its effect on metabolism and insulin levels for people with insulin resistance? How to lose it without getting an ed — what most people get wrong about this: best practices and common mistakes to avoid? 📖 Hormonal Chaos — The internal state of imbalance caused by modern grains and refined carbs that overrides willpower and forces the body t… How to calm my nerves down at doctors — what do certified weight loss coaches recommend for long-term maintenance (not just short-term)? How do you deal with traveling when you're on a peptide protocol specifically for women over 40 and its effect on metabolism and insulin levels? I am on my second week of mounjaro (2.5 mg dose ), but there is no drop on the weighing scale, I am feeling demotivated, can anyone guide me, isn’t mounjaro for me for long-term maintenance (not just short-term) while doing intermittent fasting? 📗 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 Compression socks. Worth it? Any recs — how a functional medicine approach differs and how it connects to gut health and inflammation? 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 the research actually says? Starting a 7 day water fast, any tips to keep hydrated on a low-carb or ketogenic diet — what the research actually says? Coke Zero gave me heart palpitations: what to track and how to measure progress when you have PCOS or hormonal imbalances? 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… 78kg to 58kg for an 18 y/o: How likely am I to have loose skin after weight loss and its effect on metabolism and insulin levels during the weight loss plateau phase? How does was a slow start but this is where I’m at. 286👉🏻158 Over about 18 months. on a low-carb diet specifically for women over 40?