Dramatically reduced calorie intake, rapid weight loss, possible dehydration, metabolic adjustments, and changes in blood sugar levels all contribute to feelings of tiredness, particularly during the first few weeks of treatment and when increasing doses
Smoking is associated with chronic sympathetic activation in hypertension
Vitamin D toxicity, also known as hypervitaminosis D, can cause resorption of bone and increased intestinal absorption of calcium resulting in high levels of circulating calcium-a condition known as hypercalcemia
13 While reactive oxygen species are produced during normal daily metabolism, levels can also rise with prolonged exposure to ultraviolet and blue light-often associated with heavy use of screen-based devices such as computers and mobile phones
The authors propose that GHK-Cus diverse effects are attributable to its ability to reset the human genome to a healthier state