India, Aug. 29 -- From weak attention spans to midday brain fog, many people turn to natural supplements to improve cognitive functioning. Supplements like ashwagandha, ginseng and ginkgo are often marketed as brain boosters that are believed to improve focus, recall and overall brain performance. But what does scientific evidence suggest?

Double board-certified physician in anesthesiology and interventional pain medicine, Dr. Kunal Sood, is breaking down the benefits and side effects of using natural supplements ranging from ashwagandha to omega-3 fatty acids, based on scientific research. In an Instagram post from August 28, Dr. Sood detailed the evidence behind 6 natural supplements that are said to improve cognitive health, also stat...