Let’s have a look at what is happening in our bodies and what some of the research says about weight loss and PCOS.
Insulin Resistance and the Role of Insulin in PCOS
Insulin is an important hormone that is responsible for metabolizing glucose or dealing with sugar in our blood stream. It transports sugar to the muscles and if the body has more glucose than is needed, insulin is involved in the process of storing it as fat should we need it later (1).
Research shows that women with PCOS have some kind of dysfunction in the cells responsible for secreting insulin (Beta cells). It seems that these cells are responsible for detecting sugar in the blood stream and may over react, producing more insulin than is needed. This means that more glucose is stored as fat (2).
Also, many, but not all, women with PCOS also have insulin resistance (3). This means that your body needs more insulin than normal to deal with sugar in your blood stream. High levels of insulin cause your body to store more fat and also causes your ovaries to make more testosterone, making the symptoms of PCOS worse (4).
Unfortunately, Insulin and Insulin resistance is only one piece of this puzzle and isn’t the only reason that we struggle to lose weight…
Women with PCOS have also been found to have a slower metabolic rate. Basal metabolic rate is the number of calories you need every day to function. This includes keeping your heart, brain and organs going, eating and digesting food, etc (5).
In a recent study, researchers found that women without PCOS needed roughly 1868 calories per day whilst women with PCOS only needed around 1445 calories per day, and those with insulin resistance needed even less (6).
This means that women with PCOS do not need as many calories per day as the average women as metabolism is much slower in women with PCOS. It doesn’t seem very fair, does it? We don’t need as many calories as the average woman but we fight fierce cravings and tend to feel hungry all the time. What’s up with that?
There are a number of hormones involved with hunger and appetite control. Some of these include ghrelin,
Cholecystokinin and leptin. Recent research has shown that women with PCOS do not feel as full or satiated after meals as women who don’t have PCOS (7).
This means that women with PCOS will continue to feel hungry, even if they have eaten all of the nutrients and calories they require.
Summing it Up:
So, this is the frustrating story for many of us with PCOS. We gain weight quickly and struggle to lose it as a result of our:
- Difficulties with insulin
- Slower metabolic rate
- Disordered appetite control
Thankfully, though, this isn’t the end of our story and there are some things we can do to help us lose weight. We’ll get on to this in the next blog post.
This may seem like a hopeless article but I do want to encourage you! Yes, losing weight is important in managing our symptoms, but it isn’t an easy road. If you are struggling with weight loss, take heart that it’s probably not through lack of trying and it’s not all in your head. Your fight to lose weight is real and it is shared by thousands of other women who also have PCOS!
Tarryn is the founder of PCOS Diet Support, the top ranked PCOS diet & lifestyle site with over 50,000 users per month. As a fellow cyster there are no empty promises here, just facts
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