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Few risk factors have been associated with creatine supplementation in women, with multiple studies showing a lower risk-to-benefit ratio when creatine is taken in appropriate doses. Documented ...
This study details how women store 70 to 80 percent less creatine than men, and how hormone fluctuations (during menses, pregnancy, post-partum, during and post-menopause) affect creatine in the body.
Creatine is a popular supplement linked to a range of health benefits. It’s often used to help boost athletic performance. Experts explain the uses and risks.
Caffeine is now one of the most common ingredients, found in one study to be in 86% of the bestselling pre-workout supplements. [3] Caffeine works with the central nervous system to increase the blood flow. [13] Caffeine is a popular ingredient in pre-workout because it increases alertness, mental concentration, and energy. [14]
The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Caffeine in coffee and other caffeinated drinks can affect gastrointestinal motility and gastric acid secretion. [86] [87] [88] In postmenopausal women, high caffeine consumption can accelerate bone loss. [89] [90] Caffeine, alongside other factors such as stress and fatigue, can also increase the pressure in various muscles, including the ...
In fact, one small study of subjects who showed signs of memory problems found that over a 2- to 4-year period, people with lower blood levels of caffeine were more likely to develop dementia than ...
Creatine requires a delivery system for cell uptake. [ citation needed ] An example is arginine alpha-ketoglutarate . [ citation needed ] Arginine alpha-ketoglutarate itself is a chemical compound that is supposed to increase the blood flow to muscles and therefore, increase nutrient delivery to muscle cells.