In one study, 79 healthy postmenopausal women split into four groups. Group one did not exercise or take supplements. Group two walked and jogged only (up to 65 percent of maximum heart rate). Group three took omega-3s (180 mg of EPA and 120 mg of DHA per day), the amount found in a 1,000 mg regular strength fish oil softgel. Group four took the omega-3s and exercised.
After 24 weeks, while there were no changes in the other groups, group four had 40 to 80 percent lower signs of inflammation, 15 percent greater bone mineral density (BMD) in the lower back, and 19 percent more in the thigh bone and hip.