Learn how supplements can prevent an energy-depleting B12 deficiency Vitamin ... You’ll get 500 mcg in just one spray—over 20 ...

The recommended daily dosage of B12 for post-bariatric surgery patients is 350-500 mcg per day. However, the dosage may vary depending on the individual’s specific needs. It is important to ...

Even in high doses, your body can only absorb a fraction of B12 supplements. For example, a healthy person taking a 500 mcg oral B12 supplement will only absorb about 10 mcg. Although uncommon ...