define vitamin b12 injections for Energy, Wellness, glow How to Give a B12

As mitochondrial function drops with age, your metabolism slows down

But folic acid wont correct the other problems caused by B12 deficiency

When total B12 levels are difficult to interpret, measurement of holotranscobalamin (active B12), methylmalonic acid (MMA) , or homocysteine can provide a clearer picture of functional B12 status, though availability and interpretation vary (for example, MMA rises in renal impairment)

Additionally, curd, eggs, Chicken, Fortified breakfast cereals, Salmon, clams, oysters & mussels, and Tuna are rich in Vitamin B12

Unlike oral B complexes, the injectable form avoids competitive absorption between vitamins in the gut