Everything is included, needles, alcohol swabs etc Great product I felt energized after two dosages I asked for a slightly smaller needle , like a 28 gauge, or tb size, but I got no answer about getting those instead clear instructions, works great Love it
Needles with a sharp, well-designed bevel reduce pain and trauma during insertion
Drug Testing and Analysis, 7(1), 3138
One of the key advantages of B12 injections is their ability to combat fatigue and enhance energy levels
Evidence Gene-expression and wound-healing research support the matrix-remodeling mechanism
An intramuscular injection contains vitamin B12 only