Plasma creatinine, but not creatinine clearance, increased in the supplement group, but there were no changes in serum creatine kinase activity or liver function
Beta-hydroxy-beta-methylbutyrate, or HMB, is a downstream metabolite of the branched-chain amino acid leucine. Many studies have shown that leucine is … continue reading
The foundational ingredient of Hydroxycut Hardcore X has been shown to elevate resting metabolic rate and increase intensity levels, which, research suggests, provides the type of metabolic help that individuals need to burn through more calories.
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 the sarcolemma.
Spirulina—you know, that gooey green stuff you see folks blending at natural food stores—may actually be good for you. Personally, … continue reading
Mention the word calcium, and just about everyone thinks about bones or teeth. It’s true that the majority of calcium is stored in bones, but the small amount that circulates in the blood—about 1 percent—is vital.
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, … continue reading
Stress in its many guises is unavoidable. The body has numerous ways of dealing with the effects of stress, ranging … continue reading
For avid athletes looking for a serious competitive edge, GNC, the leading global specialty retailer of nutritional products, has introduced Pro Performance AMP.
It isn’t clear, at least to me, why betaine can help performance. True, it helps farm animals grow bigger and with less fat, but as I don’t raise farm animals, that’s useless information to me.
What causes muscle fatigue? One theory holds that a rise in the acid produced in muscle during exercise interferes with … continue reading
Stinging nettle shows up in many current testosterone boosters. Several studies show that the herb is useful for preventing prostate … continue reading
Perhaps some of the more exciting avenues of research regarding NO and the potential benefits of GPLC are in the area of skeletal muscle satellite cells, which hover around muscle fibers.
Labrada Nutrition, the most trusted name in sports nutrition, has introduced its new Lean Body Hi-Protein Energy Bars in four … continue reading
Some studies suggest that other substances in colostrum ferry intact IGF-1 into the body, where it exerts its anabolic effects. Other studies have concluded that IGF-1 in colostrum doesn’t survive the digestive barrier.
I’m frequently asked to recommend an authoritative source of scientific information about sports nutrition. While there are many such sources, … continue reading
Many “experts” write off the significant gains made by supplement users as the result of either training itself or the placebo effect.
Dark Rage introduces a new technology and an exclusive psychotropic stimulator that can bring you the most insane muscle pumps and intense workouts you’ve ever experienced.
It’s no secret that anabolic steroids help build muscle size and strength. The problem with steroids is twofold. First, they’re prescription drugs and have potentially serious side effects. Second, most doctors are loath to prescribe them, knowing how easily they can be abused by those seeking to build muscle.
Those in the BCAA group showed significantly higher testosterone counts, along with lower counts of cortisol and creatine kinase, an enzyme that, when elevated, points to amplified muscle damage.
Taking the protein before and after training blocked the response of both active and total testosterone to the exercise, much the way that it happens in younger men
The supplements contain such compounds as arginine or glycine propionyl-L-carnitine, which help the body produce NO, which in turn dilates blood vessels.
If you’re on an anabolic-steroid regimen, you’ll also probably bloat a bit, as steroids retain sodium in the body.
It turned out that taking the carb supplement didn’t affect exercise performance, perhaps because the volume of training—five sets of squats—wasn’t enough to make significant inroads into muscle glycogen stores.