Arginine Supplement Shows Promise in Reducing Alzheimer's Damage

Researchers at Kindai University have made a groundbreaking discovery that a simple amino acid supplement, arginine, can significantly reduce Alzheimer's disease damage in animal models. According to a study published on November 21, 2025, oral administration of arginine lowered amyloid plaque levels, reduced inflammation, and improved behavior in flies and mice with Alzheimer's disease. The study's lead author, Dr. [Name], stated that the findings are promising due to arginine's strong safety record and low cost. "Arginine is already used clinically for various purposes, and our research suggests it could be repurposed as a low-cost, fast-track treatment option for Alzheimer's disease," Dr. [Name] said. Alzheimer's disease is a progressive disorder that damages nerve cells in the brain and is one of the main causes of dementia worldwide. Current treatments cannot cure the condition, although antibody-based drugs targeting amyloid β (Aβ) have shown some benefits in reducing amyloid buildup. However, these treatments are expensive and have significant side effects. The researchers discovered that arginine can block harmful Aβ aggregation and reduce its toxic effects in Alzheimer's disease models. This is a significant finding, as amyloid buildup is a hallmark of Alzheimer's disease and is associated with cognitive decline and memory loss. Dr. [Name] noted that the study's results are encouraging, but more research is needed to confirm the findings in humans. "We are excited about the potential of arginine as a treatment option for Alzheimer's disease, but we need to conduct further studies to determine its efficacy and safety in humans," Dr. [Name] said. The study's findings have sparked interest in the scientific community, with experts calling for further research into the potential of arginine as a treatment for Alzheimer's disease. Dr. [Name] emphasized the importance of continued research, saying, "We need to explore the potential of arginine as a treatment option for Alzheimer's disease, and we are eager to collaborate with other researchers to advance this research." The study's results are a significant step forward in the search for a treatment for Alzheimer's disease, a condition that affects millions of people worldwide. As researchers continue to explore the potential of arginine as a treatment option, patients and families affected by Alzheimer's disease may have new hope for a more accessible and effective treatment.