"Oral supplementation" refers to the act of taking additional substances or nutrients in the form of pills, capsules, or liquid, through the mouth. Full definition
But this is one spot where oral supplementation of vitamins may make a lot of sense. (cbsnews.com)
Oral supplementation with vitamin C at high doses may result in some benefit, as it has been shown to boost the immune system and reduce inflammation. (onpets.com)
What they wanted to look at was testing of free amino acids in type 2 diabetic patients to see if oral supplementation would affect these patients. (aminoacidinformation.com)