It is not recommended to take diet pills during menstruation because women lose some of their nutrients during menstruation due to blood loss, and their immune system will be weaker than before. If you take diet pills at this time, it will definitely affect your health, and there are many disadvantages of diet pills that may cause delayed menstruation. Generally, diet pills contain hormones and there is a high chance that eating diet pills during menstruation will lead to endocrine system disorders and also have an impact on hormone levels, so it is not recommended. Women are heavier during their periods than before, so don’t rush to lose weight or take diet pills during this period. It is much easier to lose weight during your period than usual, control your diet, eat less high-calorie food avoid hot pot, barbecue and other foods, and pay attention to nutritional balance.