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Revised: January 20, 2001
ZMA
1. What is it and
where does it come from?
ZMA is a scientifically designed anabolic mineral formula. It contains Zinc
Monomethionine Aspartate plus Magnesium Aspartate and vitamin B-6, and is an
all-natural product that has been clinically proven to significantly increase
anabolic hormone levels and muscle strength in trained athletes.
2. What does it do and
what scientific studies give evidence to support this?
Don't get me started! There is a large
body of scientific evidence supportive of ZMA. Zinc and Magnesium are
commonly depleted from your body. Studies have shown that supplementing with
30mg of Zinc and 450mg of Magnesium per day can elevate testosterone levels up
to 30%!
The most talked about study is the following. Lorrie Brilla, Ph.D., a sports performance researcher at Western Washington University, recently reported that ZMA significantly increase free testosterone levels and muscle strength in NCAA football players. These ZMA study results were presented by Dr. Brilla on June 2, 1999, at the 46th Annual Meeting of the American College of Sports Medicine in Seattle, WA, and were published in the official ACSM journal, Medicine and Science in Sports and Exercise, Vol. 31, No. 5, May 1999.
Specifically, Brilla reported that "a group of competitive NCAA football players who took ZMA nightly during an eight-week spring training program had 2.5 times greater muscle strength gains than a placebo group. (250% better results!) Pre and post leg strength measurements were made using a Biodex isokinetic dynamometer." The strength of the ZMA group increased by 11.6% compared to only a 4.6% increase in the placebo group.
Basically, this means that if you went up 10 pounds on your bench press in eight weeks without ZMA, you WOULD have went up 25 pounds in that same period if you had been taking ZMA.
Brilla further explained, "The muscle strength increases may have been mediated by the anabolic hormone increases in the ZMA group. The ZMA group had 30% increases in free and total testosterone levels compared to 10 percent decreases in the placebo group... The ZMA group also had a slight increase in insulin-like growth factor-1 (IGF-1) levels compared to a 20 percent decrease in the placebo group. This study shows that anabolic hormone and muscle strength increases can be induced in already strength-trained athletes by using a novel zinc-magnesium preparation."
Many other studies have shown the same results! No wonder bodybuilders around the world are seeing better gains than ever before. No question about it, ZMA has the scientific research and real-world anecdotal evidence to launch it to a level previously held only by creatine. And the NFL has taken notice!
Another benefit is better sleep. ZMA
should be taken 30 - 60 minutes before bed. Most people notice they can fall
asleep deeper and then sleep more deeply. Don't be surprised if you start having
very vivid dreams while taking ZMA!
3.
Who needs it and what are some symptoms of deficiency?
Any bodybuilder looking to gain strength, increase athletic performance, and
muscle mass should consider taking ZMA. There have been many studies showing
that most athletes are deficient in zinc, magnesium, and vitamin B-6. This is
not a good thing for any athlete! The effect of zinc depletion on muscle
function was tested on eight male subjects. This study demonstrated that muscle
endurance, or total work capacity, decline rapidly with acute zinc depletion and
the degree of the decline is correlated with the reduction in plasma zinc
concentration. Many other studies show that after participating in regular
intense exercise athletes' levels of zinc and magnesium decreases deeply.
4.
How much should be taken? Are there any side effects?
The dosage and proportion is very important. You can't just take a multi-vitamin
to get these results. Most successful ZMA products have: Vitamin B6: 11mg,
Magnesium: 450mg, Zinc: 30mg. This product is all natural and there are no known
side effects. It is safe for men and women.