This question is about Nutrition
Chili peppers, coffee, tea, ginger, cacao, beans, legumes, apple cider vinegar, and water have all been shown to impact metabolism [ 1 2 3 4
However, while these foods may slightly increase your metabolic rate, it doesn’t necessarily mean that you will lose weight by eating them; rather, they can serve as a complementary addition to a healthful, balanced diet.
Varghese, S., Kubatka, P., Rodrigo, L., Gazdikova, K., Caprnda, M., Fedotova, J., Zulli, A., Kruzliak, P., & Büsselberg, D. (2017). Chili pepper as a body weight-loss food. International journal of food sciences and nutrition, 68(4), 392–401. https://doi.org/10.1080/09637486.2016.1258044
Martínez, R., López-Jurado, M., Wanden-Berghe, C., Sanz-Valero, J., Porres, J. M., & Kapravelou, G. (2016). Beneficial effects of legumes on parameters of the metabolic syndrome: a systematic review of trials in animal models. The British journal of nutrition, 116(3), 402–424. https://doi.org/10.1017/S0007114516001963
Shah, S. R., Alweis, R., Najim, N. I., Dharani, A. M., Jangda, M. A., Shahid, M., Kazi, A. N., & Shah, S. A. (2017). Use of dark chocolate for diabetic patients: a review of the literature and current evidence. Journal of community hospital internal medicine perspectives, 7(4), 218–221. https://doi.org/10.1080/20009666.2017.1361293
Sakakibara, S., Yamauchi, T., Oshima, Y., Tsukamoto, Y., & Kadowaki, T. (2006). Acetic acid activates hepatic AMPK and reduces hyperglycemia in diabetic KK-A(y) mice. Biochemical and biophysical research communications, 344(2), 597–604. https://doi.org/10.1016/j.bbrc.2006.03.176