Why Weight Loss Stalls and What You Can About It

By Dr. Matthew WeinerSeptember 20, 20244 min read
Why Weight Loss Stalls and What You Can About It

Weight loss stalls after gastric bypass are common but frustrating. Understanding why they happen and how to overcome them is key to long-term success.

Undergoing bariatric surgery, whether it’s a gastric bypass or a gastric sleeve, is a significant step toward achieving your long-term weight loss goals. However, many people find that despite the initial rapid weight loss, there comes a time when the scale stops moving. It’s frustrating, right? You’re doing everything right, and yet…nothing. These stalls, though frustrating, are common, and knowing how to handle them can be the difference between long-term success and giving up. Let’s dive into why weight loss stalls happen after these surgeries and what you can do about it.

Why Does Weight Loss Stall?

First off, let’s talk about why weight loss stalls happen after a gastric bypass or sleeve surgery. In the beginning, weight loss is quick. Your body is adjusting to the hormonal changes, reduced calorie intake and the drastic changes in your digestive system. But after a few weeks or months, your body catches on and says, “Hold up, what’s happening here?” 

Your body is smart. It’s programmed to survive, so when you lose a lot of weight quickly, it reacts by slowing down your metabolism. This is why you might hit a plateau, or what we call a “stall.” It’s frustrating, yes, but it’s also totally normal. And the good news? It doesn’t last forever – usually just a few weeks.

The Emotional Rollercoaster of a Weight Loss Stall

When the scale stops moving, it’s easy to feel like all your hard work isn’t paying off. You might even start questioning yourself: “Am I doing something wrong?” “Is the surgery not working anymore?” But let me assure you—weight loss stalls after a gastric bypass or sleeve surgery are completely normal. They happen to everyone.

You shouldn’t expect the scale to drop every single week. Some weeks you’ll see progress, and other weeks…crickets. And that’s okay! Remember, the number on the scale isn’t the only way to measure your success. These are the times when you should lean on non-scale victories like, positive changes to your health, stopping your cholesterol or blood pressure meds, losing inches, or your clothes fitting differently. Notice and celebrate all of those wins!

How much weight will I lose after Surgery?

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Avoid the Extreme

Here’s where people often go wrong—they hit a stall and think they need to take drastic measures. Some might consider fasting for days or severely cutting calories, thinking that’s the answer. Spoiler alert: it’s not. Going to extremes can actually hurt you in the long run. Extreme restriction won’t work and, in fact, it often backfires.

Think of it this way: the more you fight against your body, the harder it fights back. Trying to “trick” your body into losing more weight by starving yourself will actually make the stall last longer. Instead, focus on making healthy choices you can stick to for the long haul.

What You Can Control During a Stall

Okay, so the weight loss has slowed down. Now what? Well, instead of panicking or going on a crash diet, shift your focus to what you can control. Are you hitting your daily protein goals? Are you staying hydrated? Are you getting enough sleep? Are you eating enough vegetables and fiber? These small, manageable goals can have a huge impact on your overall success.

Breaking Through the Stall

Breaking a stall is about staying consistent with the healthy habits you are doing and, if anything, adding in other healthy habits. Here are some things you can do if your weight loss has stalled after gastric bypass or sleeve surgery:

  1. Move More: Sometimes, adding more physical activity into your day can help kickstart your metabolism again. You don’t have to start training for a marathon, but maybe try walking more, taking the stairs, or doing some light weight training.
  2. Drink Water: It sounds simple, but staying hydrated is essential for your metabolism. Sometimes, when you’re dehydrated, your body can slow down. Make sure you’re drinking plenty of water throughout the day.
  3. Protein is Key: After weight loss surgery, protein should be your best friend. Not only does it help maintain muscle, but it also keeps you feeling full longer (especially beans), which can help with weight loss. Make sure you’re getting enough protein in your diet each day.
  4. Add More Veggies: Instead of cutting things out of your diet, think about what you can add. Vegetables are high in fiber and low in calories so they will keep you feeling full without significantly increasing your calorie intake. It’s also the perfect food to eat if your goal is to lose weight!

Get Your Zzz’s: Sleep is often overlooked when it comes to weight loss, but it’s so important. If you’re not getting enough sleep, your body can start producing more hunger hormones, which makes you want to eat more. Make sure you’re giving your body enough rest.

Be Patient with Yourself

Weight loss after gastric sleeve or gastric bypass surgery is a journey, not a sprint. It’s so easy to get caught up in the numbers on the scale, but remember, weight loss stalls are just a bump in the road. They don’t mean that you’ve failed or that the surgery isn’t working anymore. Stay patient, keep making healthy choices, and the weight loss will resume.

Final Thoughts

So, here’s the bottom line: Weight loss stalls after gastric bypass or sleeve surgery are normal, and they don’t last forever. Instead of freaking out, focus on what you can control—your protein intake, hydration, veggies, sleep, and activity level. And remember, don’t go to extremes. Stay consistent, and the results will come. After all, this is about building a healthier, happier you for the long term, not just a number on the scale.

Where do I go wrong with my diet?

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