Those with a stressful lifestyle and/or profession
Athletes swear by them, particularly BPC-157
For the male partner, this would include 1,2 : Previous fertility and other reproductive issues Sexual activity, libido, and function Past and present medical conditions and medication usage Childhood conditions affecting the reproductive system, such as undescended testicle(s), mumps orchitis, and early puberty Physical or surgical trauma affecting the reproductive tract Alcohol, cigarette, and recreational drug use Occupation and other potential sources of environmental toxin exposure Family history of infertility or other medical conditions Physical examination A screening physical exam can be helpful in identifying lesions, cysts, tumors, varicoceles, and structural abnormalities related to the penis, vas deferens, epididymis, and testicles that may require further assessment
Research-grade or black-market peptides can be mislabelled, heavy metal contaminated, or harbor bacterial endotoxins that harm metabolic or reproductive systems
Clark et al., 2021)
Medical Conditions Leading to Deficiency Several medical conditions interfere with B12 absorption, making b12 injections a necessary treatment