why do bodybuilders inject b12 Are Vitamin Shots Right for You? Benefits of Vitamin B12 Shots

Vitamin B12 stores in the liver can take between 3-5 years to be completely depleted

Different tests are carried out to check the quality of final preparation

Meralgia paraesthetica mentioned above deserves further attention as a standalone diagnosis

Dr Harpal Bains, a longevity doctor and the medical director at Harpal Clinic (which does offer NAD+ IV drips), says IV is more effective than oral supplements, as NAD+ supplements in oral form are unstable and have poor bioavailability, as it has to bypass your gut acid and enzymes to reach your cells

The exact formulation depends on your goals, health history, and provider assessment

Vitamin B12 deficiency affects up to 20% of older adults, and GLP-1 medications like semaglutide can further reduce B12 absorption by slowing gastric transit