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  2. Calcium metabolism - Wikipedia

    en.wikipedia.org/wiki/Calcium_metabolism

    The plasma total calcium concentration is in the range of 2.2–2.6 mmol/L (9–10.5 mg/dL), and the normal ionized calcium is 1.3–1.5 mmol/L (4.5–5.6 mg/dL). [4] The amount of total calcium in the blood varies with the level of plasma albumin, the most abundant protein in plasma, and therefore the main carrier of protein-bound calcium in the blood.

  3. Does Creatine Live Up to the Hype? We Asked the Experts - AOL

    www.aol.com/lifestyle/does-creatine-live-hype...

    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.

  4. Creatinine - Wikipedia

    en.wikipedia.org/wiki/Creatinine

    Creatinine itself is produced [5] via a biological system involving creatine, phosphocreatine (also known as creatine phosphate), and adenosine triphosphate (ATP, the body's immediate energy supply). Creatine is synthesized primarily in the liver by methylation of glycocyamine (guanidino acetate, synthesized in the kidney from the amino acids ...

  5. Understanding Creatine and Creatinine - AOL

    www.aol.com/lifestyle/understanding-creatine...

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  6. Creatine - Wikipedia

    en.wikipedia.org/wiki/Creatine

    While in general creatine supplementation resulted in slightly elevated creatinine levels that remained within normal limits, supplementation did not induce renal damage (P value< 0.001). Special populations included in the 2019 Systematic review included type 2 diabetic patients [ 73 ] and post-menopausal women, [ 74 ] bodybuilders, [ 75 ...

  7. Renal physiology - Wikipedia

    en.wikipedia.org/wiki/Renal_physiology

    Erythropoietin is released in response to hypoxia (low levels of oxygen at tissue level) in the renal circulation. It stimulates erythropoiesis (production of red blood cells) in the bone marrow . Calcitriol , the activated form of vitamin D , promotes intestinal absorption of calcium and the renal reabsorption of phosphate .

  8. Phosphocreatine - Wikipedia

    en.wikipedia.org/wiki/Phosphocreatine

    This process is an important component of all vertebrates' bioenergetic systems. For instance, while the human body only produces 250 g of ATP daily, it recycles its entire body weight in ATP each day through creatine phosphate. Phosphocreatine can be broken down into creatinine, which is then excreted in the urine. A 70 kg man contains around ...

  9. Calcium in biology - Wikipedia

    en.wikipedia.org/wiki/Calcium_in_biology

    Calcium regulation in the human body [38] Different tissues contain calcium in different concentrations. For instance, Ca 2+ (mostly calcium phosphate and some calcium sulfate) is the most important (and specific) element of bone and calcified cartilage. In humans, the total body content of calcium is present mostly in the form of bone mineral ...