Vitamins! I love these amazing supplements. Stress management: Rhodiola can help reduce stress and fatigue, and improve mental performance Ahwagandha supplements target stress hormones in the body and work to lower cortisol levels. Berberine has been shown to lower blood sugar, increase weight loss, and improve heart health. Green tea contains caffeine and it has been used to increase alertness. Green tea has also been used to reduce the risk of cancer, to lower cholesterol, and to reduce the risk or delay Parkinson's disease. LTKFitness LTKOver40 LTKVideo