best needles for b12 injections Needle (Size & Gauge) · PA Relief 12 Pack 1ml Industrial Syringes

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I hereby declare that I do not have a personal or family history of MTC or MEN 2

I am a 61 year old and b12 boosted my energy level and I lost weight as well I couldnt lose weight before but b12 helped boost my energy as well as lose weight and the great thing is that you dont have to take the injection or any other injections in your legs you can take them in the buttocks

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Group 1 received a saline injection as a control