In one study, 31 healthy men and women, average age 54, took a daily multi-nutrient (see below) or a placebo in two 28-day phases, and kept a weekly exercise diary.
While there was little change during the placebo phase, during the nutrient phase, both men and women had more energy, and experienced large drops in the signs of inflammation that increase with intense exercise.
In men, general and joint pain decreased, and vertical jump power and grip strength increased. Feelings of anxiety and physical balance improved in women.
The multi-nutrient contained: