I have experienced exactly the same. I bought Yogi Berry DeTox and after just the second day (one cup per day) I could not sleep a minute. It kept me up all night despite that there are no stimulants (e.g. caffeine) in this version of the tea, or at least none is indicated on the label. It seems that some of us just might be sensitive to some of the ingredients.
These teas may be useful for promoting detox, but as constituted the teas are not likely to be effective for significant weight loss. Nevertheless, our research team conducted a thorough investigation on the combination of herbs present in the Yogi Detox Tea. Our findings, as well as the truth behind the effectiveness of this tea, can be found below.

Iaso tea is not a magic bullet. In fact, it’s not even that special for weight loss. So how does it help sustained weight loss? The utlity of the tea is that it serves to replace unhealthy meal options. Instead of sugary drinks or snacks, the tea steps in as a replacement to curb hunger while also delivering a large payload of nutrients to help your body detox. This lowers your daily calorie intake and thus helps with weight loss. Over time, you’ll be able to break the sugar addiction you don’t know you even have, and phase out the unhealthy foods in your diet.
Mainly Iaso Tea has positive reviews coming from videos, blog posts, and online articles that are advocating the tea. Many individuals leaving reviews on the tea state that the tea worked very well for them and that they were able to lose a significant amount of weight while consuming it. If the customers are stating that they initially lost weight with the tea, then they are most likely providing information on the water weight they have lost.
Iaso Tea is an herbal tea made from natural and high-quality ingredients that claim to rid the body from toxins and aid in weight loss. However, there has been a lot of negative connotation over these types of teas because their “quick” weight loss results are proven to be from losing water weight instead of body mass. If you want more information on the specific products we made an article reviewing the Iaso Tea products in depth here. 
When keep consuming unhealthy food our body collect toxins that can't go our easily. Detox teas contain specific blends of natural ingredients which flush these toxins and chemicals we are consuming out of our vital organs. Those herbs are extremely effective for reducing cholesterol, body fat, improve digestive system and help our body losing weight.
These are honest—and most importantly non-GM—ingredients. These pure and flavorful extracts contribute to the great taste and function of Traditional Medicinals EveryDay Detox tea. With detox tea, it is sometimes hard to find a drink that is both good and good for you. With these bags, you are guaranteed to have the perfect cup with a lot of great flavors every time.
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