There are a variety of natural stimulants that have been shown to help with ADHD. Some of the most common include caffeine, nicotine, and omega-3 fatty acids. Caffeine is a stimulant found in coffee, tea, and chocolate. It has been shown to improve attention, focus, and vigilance in people with ADHD. However, it is essential to note that caffeine is a stimulant and can cause anxiety and jitteriness in some people. Nicotine is also a stimulant and is found in cigarettes and e-cigarettes. It has been shown to improve focus and attention in people with ADHD. However, nicotine is addictive and can cause health problems in people who smoke. Omega-3 fatty acids are a type of fatty acid found in fish oil and other foods. They have been shown to improve ADHD symptoms, including attention and focus. Omega-3 fatty acids are safe and healthy to consume.