Vitamin B12 is an essential vitamin found in the foods such as meat, eggs, and dairy products
Specifically, the generation of ceramides by dihydroceramide desaturase 1 (DES1) in adipocytes seems to impart some of the lipotoxic effects such as impaired glucose utilization, insulin resistance and hepatic steatosis (198)
Age-related reductions in reproductive hormone levels, testicular function, chromosomal integrity, and sperm health, as well as increased oxidative stress and cumulative damage to sperm DNA, all contribute to reduced fertility
Treatment frequency can vary, but many clinics recommend weekly injections for optimal results
The experiment included detailed clinical, morphological, and histological assessments to determine the degree of joint degeneration and recovery following different intra-articular treatments [1]