But several factors work against this natural recovery process, including age (collagen production drops roughly 1% per year after age 20), the amount of weight lost (more than 50 pounds creates significantly more laxity), how long the excess weight was carried, sun damage history, smoking, genetics, and the speed at which the weight came off
Furthermore, in bile ductcannulated (BDC) rats, the average recovery rates of total radioactivity in bile, urine, feces, and cage cleaning fluid collected during 72 h after dosing were 9.08% 0.86%, 17.77% 6.35%, 2.73% 0.40%, and 0.91% 0.13%, respectively (Table 8
It is usually injected into the buttock as it is a more painful injection
Despite these promising benefits, the FDA's decision to scrutinize BPC-157 is based on several key factors