If you suspect any adverse effects from B12 supplements or injections, report them through the MHRA Yellow Card scheme (yellowcard
"Folic acid, pyridoxine, and cyanocobalamin combination treatment and age-related macular degeneration in women: the Women's Antioxidant and Folic Acid Cardiovascular Study"
339-343 One meta-analysis that included findings from 46 randomized controlled trials found saffron extract improved cognition, depression, and sleep compared with placebo and was non-inferior to conventional drugs while being better tolerated
Key Takeaways Location and Method Dictate Your Results : The injection sitebe it your arm, thigh, or buttocksand the technique used directly influence your comfort and how effectively your body absorbs the vitamin B12
The pain, fatigue, stiffness, and frustration are real