Why Do We Gain Weight When We Start Exercising?

Over the last few weeks, I’ve gained about four pounds. While some of this I think is aweight gain from Seroquel and Easter (I always gain a pound or two during Holidays), I also suspect that some of it is water weight as well from starting a new exercise routine.

While I was sick with mono, it seemed as though I couldn’t gain any weight for years. I got down to about 113 pounds or so, maybe less. I did get up to 120 when I was on Olanzipine, but a lot of that was because it made me starving and messed with my blood sugar, so I had to eat a lot just to survive. Of course, then, I am worried about the effect of Seroquel on my weight, however, it didn’t affect it very much until now. I’ve been on it since probably February.

That’s why I think that this weight gain likely isn’t just coming from taking Seroquel itself. As I said above, I’m pretty sure that some of this is water weight. This is partly because I’ve been trying out all kinds of new spices with my dinners over the last few weeks, making my food quite salty. I know from experience that increased salt in your diet can make you gain water weigh very quickly. Also, I began to work out a week and a half ago, and every time I start working out I always gain a few pounds. And, despite knowing this, I also freak out every time that this happens and have to calm myself down with the following information.

Why do people gain weight when starting an exercise routine? The first, and most obvious reason is that you begin to gain muscle when you work out, which can cause some weight gain. This can continue to happen over time, but I’ve found that after the initial gain from muscle weight, soon the effects of calorie burn set in and I start to lose fat as well as gain muscle. Thus eventually the two work themselves out and I start to either lose weight or maintain, depending on what my goal is. Weight gain from muscle, though, doesn’t happen right away. It is more likely that initial weight gain in the first few days or weeks is due to water weight.

There are a couple of reasons why the body retains water when you begin an exercise routine. One reason is that your muscles tear in response to exercise (that is why you experience muscle pain), and in the body’s attempt to repair itself, it holds onto water in the body. This results in a temporary gain in water weight.

Another reason that I found today that leads to water weight is that the extra glycogen or sugar that the body produces during exercise can also lead to water weight. According to the article posted below, the muscles convert glycogen to glucose, which is what they as their energy source. When you first start exercising, then, the body makes more glucose, which results in water retention in the body.

Water weight and retention from a new exercise routine usually is lost within a few weeks or months after you begin exercising. When I think back to all of the times that I’ve gained water weight at the beginning of an exercise routine, this has been true for me. However, since I’m on Seroquel right now I am still concerned about this weight gain. Hopefully, it is mostly water weight. And, knowing that my weight gain could be partially water weight does make me feel better about it. Plus, I have been able to lose weight that I’ve gained from medications before even when I was still on those weight-gaining medications.

Here’s the article that I found about this topic. I enjoyed reading it, but was already familiar with a lot of what it says because I’ve researched this topic before. Hopefully, if you’re starting an exercise, this blog post and the article attached will help you to panic less if you have some initial weight gain.

Thanks for reading! Feel free to comment below.

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