In addition, B12 deficiency-associated fatigue is often accompanied by other symptoms such as numbness and tingling, cognitive impairment (memory and concentration problems), mood swings (depression), skin changes (pale skin), shortness of breath, or fast heart rate
Even if the peptide itself is safe, the contaminants might not be
Biochemical Pharmacology (2018) 2
But no drug, even a GLP-1, is a magic bullet for losing weight what you consume still matters when it comes to creating a calorie deficit (that is, burning more calories than you take in each day)
Protects Your Gut Helps maintain a healthy stomach lining which can improve how you feel overall and how you absorb nutrients