leptin actually decreases appetite and as far as i know it is not something that is given to increase it. for more on hunger hormones and how they work see this article. there are appetite stimulates that doctors can prescribe but before you would even consider this you should get help on diet and activity. i recommend seeing a registered dietitian who can examine your eating habits and history and provide tailored advice on when how and what to eat. to find one in your area go to eatright. org. this article describes some healthy ways to gain weight. good luck!
if i have trouble gaining weight because of my low appetite would a higher intake of the hormone leptin help? . i grew up always considered "underweight" for my age height and sex. people tell me it's just genes or i'm just a small eater but i think it's more than that. i'd like to gain more weight without being unhealthy about it. i have a low appetite and i just read an article on this website about leptin and leptin signals the body's energy-nourishment.