Since having such difficulties with weight loss myself, and finding the solution on my own, I tend to get a bit miffed when I hear stories like you described. I don't know if it's arrogance or ignorance (or a little of each) that allows some people to act as though they not only fully understand every aspect of weight maintenance in the human body, but specifically someone else's body.
Just as an example, awhile ago, I was trying to lose weight, and my husband announced that he was going to join me. We had to go to our cottage one weekend, and I ate salad with balsamic vinegar as dressing; a few almonds here, and an apple there... You get the idea. My husband, I guess, forgot about his pledge, and ate chicken wings and fast food. He ate an entire package of Oreo cookies himself, that weekend. When we returned home, I'd gained 2 lbs while he lost 3! So...tell me our bodies respond identically to calories. I dare you. (giggling)
But I should mention that I was diagnosed with PCOS because I had the one, main symptom: inovulatory dysfunction. I had just 1-4 periods per year from the time I started menstruating to...ironically...the time I started gaining weight. Until age 39, I had no other symptoms that are said to be common of PCOS (excess body hair, thinning head hair, weight gain, inability to lose weight, etc.). I started gaining weight when my periods became regular. So, my one and only symptom of PCOS went away at the same time the next, most common PCOS symptom began (that being weight gain and inability to lose weight). And the weight issues are down to the fact that PCOS is linked to insulin resistance (IR). It is the IR that causes the weight issues. I'm guessing I wasn't IR for all those years I had inovulatory dysfunction, as I ate whatever I wanted and didn't exercise, and maintained a very low weight, naturally, without trying.
Did your father go bald early, by any chance? As part of my research, I came across information that suggests PCOS is linked to the gene that causes early balding in the fathers of PCOS women. In short, PCOS may be attributed to the father's side. And yes, my father did start balding early in his life. Fascinating, huh?
While it is always the best idea to seek medical advice, I just went ahead and tried the cinnamon experiment on my own. I'd researched insulin resistance, and how it relates to PCOS, and how the cinnamon connection was discovered, and how accepted is the science behind cinnamon as an insulin sensitizer. There are loads of respected sources that, at least at this time, recommend cinnamon as a treatment for IR. So, with that, and having learned the clinical study dosages ranged from 1-6g/day (but that many PCOS women found success at 3g/day), I just went ahead and tried it. I'd read the potential side effects of taking cinnamon, and was comfortable that I wouldn't be putting my health in danger. It's cinnamon.... If it had taken weeks to work, I wouldn't quite be so "sold". But I literally took 3g of cinnamon one day, and had lost something like a pound and a half by the next morning's weigh-in. But, you know, I'd lost a pound or so in a day before. I just always gained it back over the next day or two. Not now, though. I lost weight the next day, and the next day, and the next day. I continued losing. I had already been keeping a chart of my weights, and it was so obvious that the cinnamon was the difference. It's really undeniable.
Similarly, I've tried twice, now, to reduce the dosage down to 2g. The result is just as undeniable. My weight loss stalls. I don't lose any weight while I'm only taking 2g. When I go back up to 3, the weight loss begins again.
If you go to the 'Weight Loss with Medical Conditions" section and scroll to my POS/PCOS thread (It used to be called POS, back when I was diagnosed.), you can see how I began...all defeated and unsure, ready to try almost anything...and then the immediate results.
But, I'm always worried that someone will read my story, and think they will lose weight by taking a cinnomon supplement. And it just won't happen. Cinnamon merely improves fasting glucose levels in IR people. In studies where non-IR people were given cinnamon, they had no improvement in fasting glucose levels. In studies of IR people taking cinnamon, there was no weight loss without caloric deficit. The point is, if you are IR, then taking cinnamon may normalize your body's response to insulin, thus allowing good, ol' fashioned diet and exercise to do their thing. And that's EXACTLY what happened to me. I was dieting and exercising pretty aggressively, and only gained weight. I started taking cinnamon, and the weight finally began coming off, but literally from the day I began taking it. I didn't do anything else differently.
I hope that gives you some more insight. Good luck!
