Indeed, herbals and other have known medicinal qualities Flash Keto helping us grow taller; 30 percent of today's drugs come from plants. Yet, herbals and other botanical supplements also are sold as dietary supplements rather than regulated as drugs. Like many plant-derived pharmaceuticals, these supplements can offer both positive health benefits and harmful side effects. On the up side, enough scientific evidence has been collected on a handful of botanical supplements to support their limited use. For example, under a doctor's guidance, may be used to help treat the symptoms of age related memory loss and dementia (including Alzheimer's disease) green tea extract may help reduce cancer risk. A growing body of research evidence is being gathered about their safety and effectiveness, as well as their limitations and dangers.