They might do blood tests showing improvement (e.g., better red blood cell indices once B/B levels normalize)
Vitamin B12 injections are a simple way to support healthy red blood cell production and nerve function, which can influence mood, concentration, and calorie burn from the ground up
So, who needs B12 injections
Together, these therapies promote: Enhanced energy and mitochondrial activity Faster cognitive recovery Reduced systemic inflammation Improved sleep and mood regulation Comparing NAD Injections vs NAD Peptides At Perfect B, we often integrate B12 shots as a complementary therapy alongside NAD injection treatments
It also has antioxidant and anti-stress properties
Summary: Vitamin B12 pills do not cause weight loss in people with normal B12 levels, and no UK clinical guidance including NICE or NHS recommendations supports their use as a weight management intervention