Researchers found that increasing your intake of the amino acid arginine could enhance your immune system’s ability to fight off cancer and viral infections. A study conducted at Rockefeller University revealed that low levels of arginine may allow cancer cells and viruses to evade detection by the immune system. By feeding mice a diet rich in arginine, the researchers observed a significant reduction in colon tumors and milder symptoms from viral infections, suggesting that this simple dietary change could have profound health benefits.

For individuals looking to age well, these findings highlight the importance of maintaining adequate arginine levels. As people age, their natural arginine levels tend to decline, which may weaken the immune response and increase vulnerability to diseases like cancer and respiratory infections. The study indicates that even a moderate increase in arginine—similar to what you might find in a couple of over-the-counter supplements—could potentially restore critical immune functions, helping your body better recognize and combat threats.

The research is still in the early stages, primarily involving mouse models, which means that while the results are promising, they are not yet proven in humans. The study points to a clear connection between dietary arginine and immune system function, but further investigation is needed to confirm these effects in human populations. Researchers are optimistic that arginine supplementation could soon be tested in clinical settings, particularly for those undergoing cancer treatments or at high risk for viral infections.

To consider boosting your arginine intake, you might explore dietary sources rich in this amino acid, such as nuts, seeds, and meat. However, it’s essential to approach any changes in your diet thoughtfully and consult with a healthcare professional, especially if you have underlying health conditions.

Source: Rockefeller University