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Vitamin B12 injections contain a synthetic form of vitamin B12, usually given via a muscle
It's readily available for cellular use and may be preferable for individuals with certain genetic variations or specific health conditions
Instead of swallowing pills or gummies, which must pass through your digestive system, these injections provide immediate absorptionallowing your body to use nearly 100% of the nutrients
The potential effect modification by age and BMI was examined
PMID 28843240
Sometimes pain comes down to technique - injecting too slowly or at the wrong angle can increase discomfort
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