Pandey et al
A fresh vial costs a few dollars
Whats the Buzz The Bee Healthy Blog Vitamin B12: Symptoms, Dosage & Toxicity Risks Vitamin B12 is vital for energy, red blood cells, and nervous system health
Symptoms of a vitamin B12 deficiency include: Anemia Fatigue and weakness Dizziness Memory loss or concentration Rapid heartbeat Excessive bruising Soreness of the mouth or tongue Although there is no solid medical research to support these claims, many people believe that Vitamin B12 is helpful in improving concentration and boosting energy, as well as preventing or improving the following conditions: macular degeneration, a weakened immune system, infertility, sleep disorders, allergies, asthma, skin disorders and heart or kidney problems
Adv Exp Med Biol 1:5976 Hope M, Saxby T (2007) Tendon healing
Getting regular B12 injections may be the ideal solution to boost your energy