 [ Symptoms ] of all the supplements you can take to increase your energy which ones are normally safe to take during pregnancy [ Disease ] many herbal compounds and supplements are not safe to take during pregnancy be sure to check with your doctor before taking any new supplements a well balanced diet    including lean protein whole grains fruits and vegetables    should give you all the energy you need remember that dehydration can make your feel tired too so make sure you drink plenty of fluids to support the increased blood volume you will develop during your pregnancy