Consider intramuscular vitamin B 12 injections instead of oral replacement for suspected or confirmed vitamin B 12 deficiency caused by diet if: The person has another condition that may deteriorate rapidly and have a major effect on their quality of life (for example, a neurological or hematological condition such as ataxia or anemia)
The treatment is commonly used for facial rejuvenation, body contouring, and addressing signs of aging such as wrinkles and sagging skin
Examples are anastrozole, letrozole, tamoxifen, clomiphene, and GW501516 (Cardarine), meldonium, and trimetazidine
Peptides for specific populations Rogan's perspective as a middle-aged man pursuing peak performance reflects one demographic
doi:10.3390/vaccines14030204 Part 1: Immunosenescence, inflammaging, and the emerging role of vaccine-mediated immunomodulation