best size needle for vitamin b12 injections Is this the right im injections? : r/B12_Deficiency Types of medical needles and

Caution Methycobal 500 MCG Injection 5 x 1 ml may cause dizziness

Vitamin B12 shots: Uses, benefits, and Side effects by Melanie Kuznetsov Introduction If youve been feeling tired no matter how much you sleep, struggling with brain fog, or wondering why your workouts arent helping you shed those extra pounds, you are not alone

It slows gastric emptying significantly, which prolongs satiety after meals

Vitamin B-12 is found naturally in certain foods such as meat, fish, eggs, milk, and some fortified cereals

So injecting beyond a certain point may cause your cells to fight off the excess B12 so hard that it might reduce the amount of active cellular B12 - probably not to dangerous levels, but possibly sufficient to trigger some symptoms