Nutrition 8 Warning Signs Your Eating Too Much Sugar | Sugar Addiction Prev Article Next Article 6. Fatigue Constant fatigue and listlessness can also be signs of too much sugar in the blood. Sweets give the body a quick energy boost, but afterward, the blood sugar level drops rapidly, resulting in an energy deficit. PrevNext Prev Article Next Article Related Posts The Best Milk for Weight Loss: Top 10 Does The ketogenic Diet Actually Work For Women? Is Oat Milk Good For Weight Loss?