Journal of Korean Neurosurgical Society
That question can cut through a lot of marketing
Vitamin B12, iron, vitamin D, calcium, folate, zinc, selenium, and thiamine are the nutrients most commonly deficient after gastric sleeve surgery
For example, one study found that after taking 1,000 mcg of oral vitamin B12, only about 1.3% (13 mcg) is absorbed into the bloodstream
It is different from many other oxidants in that it is produced naturally in the body
Healthy liver function plays a role in: Breaking down substances your body doesnt need (including alcohol and certain medications) Producing bile to help digest fats Processing nutrients so your body can use them effectively Supporting steady energy by helping regulate blood sugar storage and release Supporting the bodys natural filtration and cleansing processes Processing hormone byproducts and metabolic waste So when your liver is strained, you may feel it in ways that dont immediately scream liver issue. For many people it shows up as feeling sluggish, off-balance, heavy after meals, or just not as resilient as they used to be