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They can suffer from exercise-induced mineral loss that robs them of strength, endurance and growth. ZMA® is the only non-steroidal dietary supplement clinically shown to support testosterone levels and enhance muscle during a strength training program.*
ZMA® replaces minerals lost during strenuous exercise. It may also aid in promoting recovery after exercise and improving sleep quality. In one study, Insulin-like Growth Factor (IGF-1) levels increased by 4%, whereas the placebo group decreased 10%.*
ZMA® contains highly absorbable zinc, magnesium and B6 to maximize your body's own anabolic functions. A study of strength-training collegiate football players showed ZMA enhanced free testosterone more than 40% over placebo.*
After 8 weeks of strength training, nightly ZMA® supplementation was shown to increase quadricep strength 250% greater than a placebo.*
On an empty stomach before bed to ensure peak absorption and to maximize anabolic hormone production at night.*
Take 3 capsules daily for men and 2 capsules daily for women, preferably with water on an empty stomach, 30-60 minutes prior to bedtime. Avoid taking with dairy or supplements containing calcium.
References:
1. Singh A, et al. Magnesium, Zinc and Copper Status of U.S. Navy SEAL Trainees. Am J Clin Nutr (1989) 49:695-700.
2. Singh A, et al. Biochemical Indices of Selected Trace Minerals in Men: Effect of Stress. Am J Clin Nutr (1991) 53:126-131.
3. Haralambie G. Serum Zinc in Athletes in Training. Inter J Sports Med (1981) 2:135-138.
4. Lefavi R, et al. Reduced Serum Mineral Levels in Basketball Players After Season. Med Sci Sports Exercise (1995) 27:5.
5. Van Loan M, et al. The Effects of Zinc Depletion on Peak Force and Total Work of Knee and Shoulder Extensor and Flexor Muscles. Int J Sport Nutr (1999) 2:125-135.
6. Brilla L, et al. A Novel Zinc and Magnesium Formulation (ZMA) Increases Anabolic Hormones and Strength in Athletes. Sports Med Train Rehab J (May 1999), 31(5).
7. Brilla L, et al. Effects of Zinc-Magnesium (ZMA) Supplementation on Muscle Attributes of Football Players. Med Sci Sports Exer (1999), 31(5):483.
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Reprinted with permission.
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