While both B12 shots and oral supplements can raise your vitamin B12 levels, injections offer some key advantagesespecially for weight-loss patients who need a quick energy boost for workouts and metabolism support: Superior absorption: B12 shots bypass the digestive tract entirely, delivering 100% of the dose directly into your muscle
A single 100,000 IU injection can elevate serum 25-hydroxyvitamin D within four weeks and sustain sufficiency for up to three months, although individual kinetics vary with baseline depletion and body composition
Bottiglieri, and O.C
The Institute of Medicine has not established a tolerable upper intake level of B12 because studies show no adverse health effects when taking excess levels of B12, either through food or supplements
Any athlete running in a deficient state will have a negative impact on their performance
From there, we guide you through each phase of the program with regular check ins, adjustments as needed, and ongoing support to help you stay consistent