B12, Vitamin C & Biotin Injections B12 Helps support energy levels, reduces tiredness, and can aid focus, mood, and overall wellbeing. Vitamin C A powerful antioxidant Vitamin B 12 Injection, 1,000 mcg mL VITAMINS B12 and vit C injections , Vitamin B12 can make a huge difference to how you feel, eliminating the tiredness dip in the afternoon and early evening. , To boost levels its recommended one Sandoz Vitamin B12 Injectable Solution 1000 mcg 10 mL Vitamin B12