Vitamin B12 is essential for maintaining overall health and well-being, playing a crucial role in red blood cell production, nerve function, and DNA synthesis
What Each Compound Does Retatrutide (LY3437943) is a triple agonist: GLP-1 (cuts appetite, slows the stomach), GIP (improves insulin signaling), and glucagon (raises energy use and fat burning)

Anthony Didato, DMD Balanced Aesthetics + Wellness 90% of Serotonin Produced in the Gut Approximately 90% of the body's serotonin the neurotransmitter most associated with mood regulation is produced by enterochromaffin cells Cell (Yano et al., 2015) Gut-Brain Axis Bidirectional Communication The gut-brain axis describes bidirectional signaling between the enteric nervous system and central nervous system via the vagus nerve, immune Annals of Gastroenterology Leaky Gut (Intestinal Permeability) and Systemic Inflammation Increased intestinal permeability allows endotoxins (LPS) to enter the bloodstream, triggering systemic inflammatory cascades linked to anxiety, depression, brain fog, Frontiers in Immunology Overnight Fasting Improves Microbial Balance A 12-14 hour overnight fast improves microbial balance and insulin sensitivity
Collagen peptides and continued GHK-Cu use address this pillar, providing the raw materials and signaling necessary for sustained tissue quality
References: Seiwerth, S., Milavic, M., Vukojevic, J., Gojkovic, S., Krezic, I., Vuletic, L