While some animal studies have shown promising results, human clinical trials have produced mixed and often underwhelming evidence.
: Many studies supporting its use have been criticized for being short-term, having small sample sizes, or being poorly designed. Safety and Side Effects Garcinia Cambogia: Usefulness and Safety | NCCIH
: Meta-analyses of randomized clinical trials indicate that participants taking Garcinia cambogia lost an average of only ~2 pounds (0.88 kg) more than those taking a placebo over 2–12 weeks.
: It is believed to increase levels of the brain chemical serotonin , which can lead to reduced hunger and cravings. Scientific Efficacy
The primary active ingredient, , is claimed to aid weight loss through two main pathways: