Taking omega-3 supplements along with leg workouts helps older women get stronger in their legs more than just doing leg workouts alone — it’s like the supplements make the exercise work better.

When older women take omega-3 supplements and do strength training, they tend to get stronger and move better than older men doing the same thing — suggesting men and women’s bodies respond differently to these supplements.

Taking a small amount of fish oil every day for three years doesn't seem to make older adults who don't exercise any stronger.

Older women who lift weights—even just one arm or leg at a time—gain muscle and fight off the natural muscle loss that comes with aging.

Taking omega-3 fatty acids, citrulline, or collagen supplements does not lead to larger muscles in people who lift weights, but these supplements might help with how well the body handles training, recovers after exercise, or maintains connective tissues.

In older men, doing resistance exercises such as weightlifting increased muscle strength, muscle size, and lean tissue in the thighs, even without taking HMB supplements, indicating that the exercise itself was the main factor driving these changes.