ZMA+ can help restore these minerals and contribute to normal muscle function during and after exercise, assist with energy production and boost your body's antioxidant defenses.
Musashi ZMA+ is around $17.99 and a little cheaper at different places. Go to Chemistwarehouse with a copy of the AMCAL advertisement and ask for a price match and 10% discount "off the difference". Price will come down to $12.05 per bottle.
Magnesium, Zinc and Manganese are key minerals that can be lost when you undertake vigorous exercise.
Ingredients: Each capsule: Magnesium 100mg (as amino acid chelate 500mg), Zinc 5mg (as amino acid chelate 25mg), Manganese 1mg (as amino acid chelate 10mg)
If you really want cheap ZMA, buy the powdered version from www.bulknutrients.com.au 100g (185 servings) for $22 + freight but you either need to buy scales or guess the weight (540mg) which is around one eighth of teaspoon. The recipe in Bulknutrients is different: 500 magnesium L aspartate, 30mg zinc picolinate and 10mg vitamin B6.
Research
The use and effectiveness of supplementing with ZMA has been studied widely. An example is a study that looked at the effect of ZMA supplementation in American footballers by Lorrie Brilla, Ph.D.
A group of 12 competitive NCAA football players who took ZMA nightly during an eight-week training program had their muscle strength and functional power measured (pre and post training) and the athletes that took ZMA nightly for the 8 week period had 2.5 times greater strength gains and double the functional power gains compared to the placebo group. (1),(2)
(1) Brilla, L & Conte, V, Effects of a novel zinc-magnesium formulation on hormones and strength, Journal of Exercise Physiology Online 3(4):26-36 · October 2000
(2) Brilla, L & Conte, V, Effects of Zinc-Magnesium (Zma) Supplementation on Muscle Attributes of Football Players, Medicine & Science in Sports & Exercise 31(5):S123 · May 1999
ZMA won't increase your strength.
Save your cash