A washout period of at least several weeks is advisable, though specific recommendations cannot be made given limited data
For injectable use, lyophilized (freeze-dried) powder requiring reconstitution is standard
Collagen is the most abundant protein in the body, integral to the structure of skin, hair, nails, and connective tissues
Combined, these studies involved fewer than 30 human subjects and lacked control groups none used a randomized, placebo-controlled design
Various clinical trials are underway, examining not only its effectiveness but also the long-term impact of its use
In addition, combining treatments may provide a better safety profile given that lower doses of each drug when used together may achieve better weight loss than higher doses of a single agent (see Figure 1 below)