Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. No. This is not normal, you can go through ultrasound abdomen and pelvis. If any positive results, then consult gynecologist. She has no energy due to heavy menstruation. So try to stop this supplement blood after advice of physician, eat beet root, chana, milk spinach etc. Hope I have answered your query. Let me know if I can assist you further.