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Filed under: Bone health

Eating for healthy joints and bones

HPRC Fitness Arena: Nutrition, Total Force Fitness
The physical demands placed on the Warfighter can take a toll on joints and bones over time. Following a healthy diet can keep your joints and bones in good shape.

The physical demands placed on the Warfighter in training and operational settings can take a toll on joints and bones over time. Following a healthy diet can help reduce your risk of many diseases and maintain healthy joints and bones. A few nutrients have been shown to support joint and bone health, including calcium, vitamin D, vitamin C, and selenium. Consuming too much alcohol has been shown to have a negative effect.

Calcium and vitamin D work together for strong bones and overall bone health, because vitamin D helps your body absorb calcium. Men and women ages 19–50 should try to get 1000 mg of calcium daily; older women need 1200 mg daily. Good sources of calcium include milk, yogurt, fortified orange juice, and green leafy vegetables. Your body produces vitamin D when your skin is exposed to sunlight, but you can also get it in your diet from salmon, tuna, and fortified dairy products. Adults need about 600 IUs of vitamin D daily.

Vitamin C is essential for cartilage—the material that cushions your joints and prevents bones from rubbing together. Men need about 90 mg and women need about 75 mg daily, roughly the amount in a large orange. You can get vitamin C from citrus fruit, broccoli, and tomatoes.

Dietary selenium (a mineral) also may play a role in bone health. Adults need about 55 mcg of selenium daily. Selenium is found in nuts (especially Brazil nuts), tuna, and sunflower seeds.

Drinking too much alcohol negatively affects many of the body’s systems, including the bones and joints. Alcohol can cause weight gain, increase risk for osteoporosis and stress injuries, and damage cartilage. Limit your alcohol consumption to one drink per day for women and two for men. A drink is defined as one 5 oz. glass of wine, one 12 oz. beer, or one 1.5 oz. shot of liquor.

Inflammation can play a role in joint conditions such as arthritis, so a diet that helps reduce inflammation might be beneficial in protecting your joints. Eating plenty of fruits and vegetables, whole grains, and healthy fats (found in nuts and fatty fish such as salmon) not only reduces inflammation, it can also help maintain a healthy weight, which is essential to preserving joint health.

Excess body weight stresses joints and increases wear and tear. Following a diet that is lower in fat and calories can help maintain or reduce body weight, preventing additional joint stress. For more information about healthy joints, read the fact sheet from the National Institute of Arthritis and Musculoskeletal and Skin Diseases. Also, Chapter 17 of the Warfighter Nutrition Guide, “The High Mileage Warrior Athlete,” provides more information on maintaining joint and bone health.

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