New research shows that differences in protein synthesis between older and younger adults means that as we age, we must double our protein RDA to remain active

It is well known that we need to consume protein to enable our body to build and repair muscle. As we get older, the body becomes less efficient in this process at a time when fitness affects our quality of life and strong muscles can help protect our joints from osteoarthritis.

Research published in January in the American Journal of Physiology — Endocrinology and Metabolism suggests the amount of protein consumed by older adults affects the body’s net protein balance due to differences in the way they synthesise protein compared to younger adults.