Supplements

It appears that you need to load creatine for five days minimum to get maximum results. Other questions, however, remain unanswered.

Scientific evidence shows that tyrosine steps up the production of catecholamines when muscle fatigue begins to set in.

Plasma creatinine, but not creatinine clearance, increased in the supplement group, but there were no changes in serum creatine kinase activity...

Beta-hydroxy-beta-methylbutyrate, or HMB, is a downstream metabolite of the branched-chain amino acid leucine. Many studies have shown that leucine is by...

The foundational ingredient of Hydroxycut Hardcore X has been shown to elevate resting metabolic rate and increase intensity levels, which, research...

The supplements chosen for the study have an impressive record of effectiveness for bodybuilding purposes.

Specifically, PEG is believed to enhance the gastrointestinal absorption of creatine by increasing permeability coefficients in the GI tract and across...

Spirulina—you know, that gooey green stuff you see folks blending at natural food stores—may actually be good for you. Personally, I...

Mention the word calcium, and just about everyone thinks about bones or teeth. It’s true that the majority of calcium is...

Regular IRON MAN readers know the name Jerry Brainum well. He’s IM’s go-to nutrition-science guru who has his thumb on—no, make...

Stress in its many guises is unavoidable. The body has numerous ways of dealing with the effects of stress, ranging from...

For avid athletes looking for a serious competitive edge, GNC, the leading global specialty retailer of nutritional products, has introduced Pro...

It isn’t clear, at least to me, why betaine can help performance. True, it helps farm animals grow bigger and with...

What causes muscle fatigue? One theory holds that a rise in the acid produced in muscle during exercise interferes with the...

Stinging nettle shows up in many current testosterone boosters. Several studies show that the herb is useful for preventing prostate gland...