The findings were disappointing: Only one study showed significant lightening, and that was limited to sun-exposed areas like the face and forearms One study found that 37.5% of subjects experienced temporary improvements, but within six months after stopping treatment, only 6.2% maintained lighter skin The effects were inconsistent across different body parts and age groups Researchers concluded that glutathione is not effective enough as a skin-whitening agent because effects were limited and unsustainable What Is Vitamin C and How Does It Brighten Skin
Clinical trials of brand-name semaglutide showed an average of 15% weight loss plus reduced cardiovascular risk in patients with metabolic syndrome these studies inform how the active ingredient is understood, but the safety, efficacy, and quality data from those trials do not directly apply to compounded preparations
This paper extends our current knowledge of the effectiveness of this class of medications. Weighing benefits and risks The greatest risk increases were seen for nausea and vomiting, kidney stones, gastroesophageal reflux disease or GERD, sleep disturbances and non-infectious gastroenteritis, which is inflammation of the digestive tract which can cause nausea, vomiting, diarrhea and stomach cramps
Safety matters just as much