Expert Q&A

Anyone else have a SLOW weight loss journey on semaglutide on a low-carb or ketogenic diet

Understanding Slow Progress on Semaglutide Combined with Low-Carb or Keto Diets

As the founder of CFP Weight Loss and author of The CFP Method, I've worked with thousands in their 40s and 50s who feel frustrated by slow weight loss on semaglutide while following low-carb or ketogenic approaches. Semaglutide, a GLP-1 receptor agonist, typically delivers 1-2 pounds of weekly loss in the first months, but pairing it with very low carbohydrate intake can reduce that to 0.5 pounds or less after the initial water weight drops. This isn't failure—it's physiology meeting your specific hormonal and metabolic reality.

Your body adapts quickly to ketosis, lowering overall energy expenditure by 200-400 calories daily. Add perimenopausal or menopausal shifts that elevate cortisol and insulin resistance, and progress naturally slows. Many of my clients with diabetes or high blood pressure see blood markers improve faster than the scale, which is a win worth celebrating.

Why Your Joint Pain and Past Diet Failures Make This Harder

Previous restrictive diets often damaged metabolic flexibility, making your system cautious about releasing fat. Joint pain limits movement, further lowering your TDEE. In The CFP Method, we address this by focusing on sustainable protein-first eating rather than strict keto. Aim for 1.6-2.0 grams of protein per kg of ideal body weight—around 100-140 grams daily for most midlife women—to preserve muscle and keep satiety high while on semaglutide.

Track non-scale victories: reduced blood pressure readings, steadier glucose, looser clothing. These motivate when the scale stalls for 3-4 weeks, a common pattern reported by 60% of my patients on combined GLP-1 and low-carb protocols.

Practical Adjustments to Accelerate Results Without Overhauling Your Life

Don't abandon low-carb entirely, but cycle in 50-100 grams of targeted carbohydrates around strength sessions twice weekly. This prevents excessive metabolic slowdown. Walk 20-30 minutes daily even with joint discomfort—split into two 15-minute bouts. Resistance training with bands or light weights 2-3 times weekly preserves the 5-8 pounds of muscle most lose on semaglutide alone.

Optimize sleep to 7-8 hours; poor sleep can cut fat loss by 50%. Manage stress with 10-minute breathing exercises. Time your semaglutide dose consistently and ensure you're in a 300-500 calorie deficit, not more. Many middle-income clients succeed by prepping simple meals like grilled chicken with non-starchy vegetables and olive oil rather than complex plans.

Long-Term Mindset: Building the CFP Foundation for Lifelong Success

Slow and steady wins when hormones are shifting. In my program, we layer behavioral strategies that address embarrassment around obesity and build consistency without gym intimidation. Expect 0.5-1 pound weekly average over 6-12 months, totaling 25-50 pounds lost while improving diabetes management. The key is patience paired with data-driven tweaks. Join our community to access personalized tracking tools that make this journey feel supported, not isolating.

💬 What the Community Says

Users on forums like Reddit's r/Semaglutide and r/keto frequently discuss slow weight loss when combining semaglutide with strict low-carb or ketogenic diets. Many in their late 40s to mid-50s report losing only 4-8 pounds in the first two months after an initial whoosh, attributing stalls to metabolic adaptation, high stress, and menopause. A common theme is excitement over improved A1C and blood pressure despite the scale not moving, though frustration runs high among those with joint pain who can't exercise intensely. Most practitioners find adding occasional carb refeeds or strength training helps break plateaus, while a vocal minority insists staying under 20g carbs daily is essential regardless of slower progress. Insurance barriers and past diet failures make people wary, but shared stories of persistence often encourage others to focus on non-scale victories and consult their doctors about dose adjustments.
Cite this answer
Clark, R. (2026). Anyone else have a SLOW weight loss journey on semaglutide on a low-carb or keto. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/anyone-else-have-a-slow-weight-loss-journey-on-semaglutide-on-a-low-carb-or-ketogenic-diet
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.

📖 The 30-Week Tirzepatide Reset — Get the Book →
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