Artificial Sweeteners After Bariatric Surgery: What You Need to Know
Mar 17, 2025

Struggling with Hydration After Weight Loss Surgery?
After bariatric surgery, drinking plain water can feel heavy, taste different, or just not go down like it used to. To stay hydrated, many people turn to artificially sweetened drinks like Crystal Light. While they might seem like a great solution, they could actually be sabotaging your weight loss.
The Hidden Effects of Artificial Sweeteners
I noticed something strange during my gastric sleeve recovery—I was hungrier about 30 to 45 minutes after drinking water with Crystal Light. Since I log my food, I started seeing a pattern: the more artificial sweeteners I consumed, the more cravings I had.
Through my studies in bariatric nutrition and functional medicine, I learned that artificial sweeteners can impact metabolism, especially for those with type 2 diabetes, high cholesterol, or insulin resistance. Research from the ASMBS (American Society for Metabolic and Bariatric Surgery) confirms that some artificial sweeteners may:
✅ Increase hunger and cravings
✅ Cause bloating and digestive discomfort
✅ Disrupt hunger signals, leading to overeating
For bariatric patients, this can be a major setback in their weight loss journey.
How to Stay Hydrated Without Artificial Sweeteners
If plain water doesn’t sit well with you after surgery, don’t worry—there are better hydration options! I’ve compiled a list of bariatric-friendly hydration strategies that have helped me and many others.
Instead of relying on sweeteners, try:
✔️ Infused water with fresh fruits like lemon or cucumber
✔️ Electrolyte-enhanced water without artificial flavors
✔️ Decaffeinated herbal teas
✔️ Diluted fresh juices (low-sugar options)
If you want a full breakdown of bariatric-safe hydration options, I’ve shared an extensive list in the Bariatric Rewrite Facebook Group.
What the Research Says About Artificial Sweeteners and Weight Loss
Recent studies on artificial sweeteners and metabolism show that these sugar substitutes may not be as harmless as we once thought. Some research suggests that they alter gut bacteria, impact insulin response, and could lead to weight regain—a major concern for post-op patients.
Instead of depending on artificial sweeteners, it's essential to find sustainable hydration habits that support your weight loss journey. If you're struggling with hydration or noticing increased cravings, it may be time to rethink your approach.
Join the Bariatric Rewrite Community for Support
Hydration is just one part of bariatric post-op success. At The Rewrite Lifestyle Center, we provide support, meal plans, and expert guidance to help you stay on track. If you’re looking for tips on bariatric nutrition, post-surgery care, and healthy eating strategies, join our bariatric support community today!
Are You Struggling with Food Addiction? Take the First Step Today!
If cravings, binge eating, or emotional eating are holding you back, you’re not alone. Food addiction can significantly impact long-term weight loss, especially after gastric sleeve or bypass surgery.
At The Rewrite Lifestyle Center, we help you break free from stress eating and build a sustainable, healthy relationship with food.
✅ Discover if you're facing food addiction and get expert guidance on bariatric nutrition, meal plans, and support from Shenelle Coplien and the Bariatric Rewrite team.
👉 Take the Food Addiction Quiz Now!
Join our bariatric support group for expert advice on nutrition, post-surgery care, and bariatric-friendly recipes that will fuel your transformation!