Systemic absorption is 38% improvement on the Vancouver Scar Scale in a 12-week prospective series
That is an absorption question rather than a drug-interaction one
They belong to a family of gut cells responsible for producing various hormones that regulate digestion, metabolism, and appetite
Attia YA, Hassan RA, Addeo NF, Bovera F, Alhotan RA, Al-qurashi AD, et al
Additional sources: NCBI, supplier data on purity 99%, lyophilized form, research-only status.
5 The average intake of vitamin B 12 in the United States is 3.4 mcg per day, and the recommended dietary allowance is 2.4 mcg per day for adult men and nonpregnant women, and 2.6 mcg per day for pregnant women