Creatine Supplementation And Health Variables: A Retrospective Study
| 効果 | なし |
| 試験方法 | コントロールなし/観察研究 |
| 試験期間 | 不明 |
| 被験者数 | 26 |
| 性別 | 男女 |
| 年齢 | 18-29 |
| 体型 | トレーニング中, 平均 |
In athletes who reported (retrospectively) creatine usage for up to four years, there was no significant adverse effect on healthy markers, although a nonsignificant trend to increase testosterone and decrease LDH (lactate dehydrogenase, a liver enzyme) was noted.
Effects Of Long-term Creatine Supplementation On Liver And Kidney Functions In American College Football Players
| 効果 | なし |
| 試験方法 | コントロールなし/観察研究 |
| 試験期間 | 不明 |
| 被験者数 | 23 |
| 性別 | 男性 |
| 年齢 | 18-29 |
This retrospective study failed to find a link between creatine supplementation and any biomarker of health, suggesting no ill effects.
High-performance Capillary Electrophoresis-pure Creatine Monohydrate Reduces Blood Lipids In Men And Women
| 効果 | 増加 |
| 試験方法 | 二重盲検法 |
| 試験期間 | 1-6 ヶ月 |
| 被験者数 | 34 |
| 性別 | 男女 |
| 年齢 | 30-44, 45-64 |
| 体型 | 肥満 |
In subjects with cholesterol exceeding 200 mg/dL, creatine supplementation (20 g/day for 5 days followed by 5 g/day for 56 days) reduced triglycerides by 23%, total cholesterol by 5-6%, and vLDL by 22%, without much effect on LDL or HDL. Urea increased mildly (17%) in women only.
Effects Of Creatine Supplementation In Taekwondo Practitioners
| 効果 | なし |
| 試験方法 | 二重盲検法 |
| 試験期間 | 1-6 ヶ月 |
| 被験者数 | 10 |
| 性別 | 男性 |
| 年齢 | 18-29 |
| 体型 | トレーニング中, 平均 |
50 mg/kg/day (approximately 3.5 g, alongside 30 g of sucrose) for 6 weeks increased the circulating triglycerides and body fat percentage (+0.17%) of martial artists, but not their fat mass. Lactate and liver enzymes were lower, relative to placebo, but not to a significant extent.