When the Portland Thorns' star player, Tobin Heath, isn't scoring goals for the U.S. World Cup Champion Women's Soccer League team, she and other women soccer players across the U.S. and Canada are trying to figure out how to supplement their income.

While playing on the national team, you earn a living wage, but back on a local team, salaries run between $6,000 and $30,000 per season.

Clearly, for WSL members, supplemental income can mean the difference between being able to play the sport they love or not.

The same may be true for supplemental vitamins. The little extra nutritional support they provide can keep you in the game and help you stay active and healthy in the face of less than perfect diets.

According to the Cleveland Clinic, four supplements are key to keeping you in top form along with getting 5 to 9 servings of produce daily, lean protein, and 100 percent whole grains.

• Multivitamins with minerals. Multivites help compensate for nutrient-poor food, and they help counter digestive woes that limit absorption of nutrients.

• Omega-3 fatty acids. Both algal oil and fish oil containing DHA (900 mg of DHA is what you want daily) can help protect your joints, eyes and brain.

• Vitamin D3. Get your levels checked .In the meantime take 2,000 IU daily.

• Probiotics. Look for probiotics containing a spore form of bacillus coagulans GBI-30, 6086 and/or lactobacillus GG.