Vitamin B12 for hair, skin, and nails If you have a very low level of B12, you may be prone to hyperpigmentation (dark spots) on your skin, vitiligo (light patches on your skin), mouth ulcers, eczema, and acne
For individuals with BMI above 30 or BMI above 27 with comorbidities, FDA-approved GLP-1 receptor agonists (semaglutide, tirzepatide) have far stronger evidence and produce dramatically greater weight loss
The time it takes for B12 treatment to work depends on several factors, including the severity of deficiency, the route of administration, and individual patient characteristics
The 28-day rule is not based on visual inspection but on the cumulative risk of contamination and the guaranteed efficacy of the benzyl alcohol preservative
Combine it with physical therapy, 1.6-2.2 g/kg protein, and 7-9 hours of sleep
A $30-50 replacement vial is not worth risking an infection or degraded medication