Hello Lisagarmaise, Serotonin is to blame! Excessive release of 5HT(serotonin) from intestinal mucosa cells can cause diarrhea and nausea. Metformin stimulates these intestinal cells to produce increased levels of 5HT, as soon as 10-15 minutes after taking metformin. The good news is that most symptoms dissapear after taking metformin for 2-3 weeks.
Progesterone, hormone secreted by the female reproductive system that functions mainly to regulate the condition of the inner lining (endometrium) of the uterus. Progesterone is produced by the ovaries, placenta, and adrenal glands.
Related QuestionsMore Answers Below. 1  They are responsible for growth and maturation in your body. 2  They bring about puberty. 3  They are secreted by special glands and their secretions are nothing but hormones. 4  Two types of gland which secrete hormones are Endocrine and Exocrine.