Contraindications include active or recent cancer, uncontrolled diabetes, severe diabetic retinopathy, and pregnancy
Obesity and insulin resistance can also affect other pathways, such as the insulin-like growth factor system

References PubMed Preclinical safety evaluation of body protective compound-157, a potential drug for treating various wounds Current Pharmaceutical Design (PubMed) Stable gastric pentadecapeptide BPC-157: novel therapy in gastrointestinal tract PMC Utilizing developmentally essential secreted peptides such as Thymosin Beta-4 for regenerative therapies Annals of the New York Academy of Sciences (PubMed) Thymosin beta 4 and wound healing: new ideas PMC Emerging use of BPC-157 in orthopaedic sports medicine: a systematic review Johns Hopkins Arthritis Center How to give a subcutaneous injection PMC Subcutaneous drug delivery review: pharmacologic considerations ASIPP / Alternative Therapies in Health and Medicine Intra-articular injection of BPC-157 for multiple types of knee pain A4M Thymosin Beta-4 professional monograph PubMed Detection of thymosin beta-4 and related peptides in sport drug testing Journal of Physiology and Pharmacology (PubMed) BPC-157 activity at very low doses without toxicity in animal studies Expert Opinion on Biological Therapy (PubMed) Thymosin beta-4 and its role in wound healing CDC Vaccine administration: subcutaneous route (angle/site

Benefit 3: Reduces Oxidative Stress Oxidative stress plays a key role in the development of chronic diseases like cancer, cardiovascular disease, and neurodegenerative diseases
It does not stimulate luteinizing hormone (LH), does not signal the Leydig cells in the testes, and is not a testosterone booster in any direct sense