Insert the needle at 90 degrees if youre injecting into the muscle
In short, an injection will provide a higher dose of B12 at regular intervals, whilst oral supplements have a lower dosage and can be taken every day
Oral B12 looks cheap, but if your body absorbs very little of each pill because of low stomach acid or a gut condition, much of that spending does not translate into results, and you keep buying bottle after bottle
Two B vitamins are credited with providing the greatest energy benefits
A 2-year randomized controlled trial with low-dose B-vitamin supplementation shows benefits on bone mineral density in adults with lower B12 status
The Initial Boost: What to Expect After Your First Shot If youve been diagnosed with a significant B12 deficiency, your GP will likely prescribe an initial course of injections, often called a loading dose phase