People struggle to work continuously for 4 hours due to a lack of focus and energy. There are so many factors that can affect a human's ability to focus. Anxiety and depression is the biggest reason for ADHD and lack of focus. Due to this condition, a person cannot work for a long time. Kratom is the natural extract from a Southeast Asian plant called Mitragyna Speciosa. That is grown in the tropical climate of Bali, Thailand, Malaysia, and Vietnam. White kratom is the best kratom for focus and energy. Kratom Exchange provides high-quality kratom extract of various strains such as red vein kratom, white vein kratom, and green Malay kratom. For more information, visit kratomexchange.com.