Anyone who has a poor diet, GI disorder, gut dysbiosis (imbalancedgut microbiome), or gut inflammation will not be able absorb oral vitamins.

IM vitamin injections bypass the gut and 90% or more of the vitamin is absorbed by the body.

Vitamin injections are more bioavailable and the body can utilize them better. 

Studies show that many of us are deficient in a number of vitamins 

and minerals. Vitamin shots are a great way to get yourself back on 

track. Vitamin absorption through the bloodstream can be more 

efficiently utilized by the body, whether by injection into a muscle or 

infusion directly into the bloodstream. Absorption through your 

digestive system, while also very effective is slower and often requires 

more frequent dosage.