J Tissue Eng Regener Med
Additionally, study designs, dosages, and participant characteristics differ across trials, making it difficult to draw definitive conclusions
Several questions remain unsolved, including the connection between melanocyte depletion and stem cell exhaustion, the underlying degenerative mechanisms and the biological mediators of cell death
Although L-arginine supplements are generally considered safe, speak with a healthcare professional before taking them, especially if you: have an underlying health condition are taking medications are pregnant or nursing L-arginine may interact with certain medications, including: Blood-pressure-lowering medications: enalapril (Vasotec), losartan (Cozaar), amlodipine (Norvasc), furosemide (Lasix), etc
The MedlinePlus guide to headache danger signs identifies these neurological and systemic symptoms as reasons for urgent assessment
Additional targeted studies of bile acid synthesis, conjugation, and microbial metabolism in the fasting and postprandial states will be required to further define these patterns