Two primary tests measure the amount of B12 in blood (low in B12 deficiency): Total B12 test: measures total amount of B12 Active B12 test: measures amount of B12 that is available to the cells Two secondary tests measure function of B12 in the cell (raised in B12 deficiency): MMA: measures function of B12 in the mitochondria Homocysteine: measures function of B12 for methylation How does Vitamin B12 deficiency get diagnosed
Prioritize Lifestyle Fundamentals: Remember that supplements are intended to complement, not replace, a healthy lifestyle
Proactive strategies involving adequate protein intake, resistance training, and possibly creatine supplementation alongside GLP-1 therapy are increasingly recommended
PMID 10552882
In addition, the results of uncontrolled human studies and the animal study establish that hydroxocobalamin is likely to produce clinical benefit in humans
Side effects that occur less frequently are lightheadedness, nausea, fatigue, headache, dizziness, warmth, or flushing