Most of them had no ingredients listed and the few that did only listed a smaller subset of those found in Berrymans B-12 Chemtool
It may be time to consider a Vitamin B12 injection if you are experiencing common symptoms, including: Weakness, fatigue, or lightheadedness Heart palpitations Pale skin Mouth or tongue soreness or bleeding Constipation, diarrhea, loss of appetite, or gas Numbness or tingling, muscle weakness, and problems walking Vision loss Possible depression, memory loss, or behavioral changes Anemia Intestinal disorders and weight loss Vitamin B12 injections can potentially treat anyone experiencing symptoms associated with a deficiency
Routine serum B12 measurement is not useful once on injection therapy
A dented crimp, a cracked vial, or a stopper displaced from its seated position compromises sterility regardless of the product's chemical stability
Zinc Zing: Strengthens your bodys defenses and speeds up healing, giving B12 an edge for post-workout or illness recovery