L-Carnitine has been used to help with weight loss goals: to try to reduce the amount of visceral fat by increasing the fat metabolism rate
Selenium Status and Cardiovascular Diseases: Meta-Analysis of Prospective Observational Studies and Randomized Controlled Trials | European Journal of Clinical Nutrition volume 70, pages 162169 (2016)
What alternative treatments are available for treating feline hyperthyroidism
NAD+ and glutathione injections , 350 a month
NAD+: Cellular Redox Cofactor Research Guide NAD+ is the central cellular redox cofactor and a substrate for the sirtuin, PARP, and CD38 enzyme families
NAC, along with vitamin E, vitamin A, and essential fatty acids, increases antioxidant protection of female eggs, and improves ovulation, egg quality, and pregnancy rates in women with PCOS or unexplained infertility