It has been investigated primarily in laboratory and animal models involving gastrointestinal biology, angiogenesis, connective tissue biology, vascular biology, and cellular signaling pathways at the cellular level
both deliver B12 effectively into the bloodstream and bypass the gut
Oral Supplements Oral supplements, available as tablets, capsules, lozenges, and other edible forms, have several important advantages
Set against that is the candid limitation AHK-Cu's own safety record is thin, the "well tolerated" framing is largely inherited from the copper-peptide class, and copper accumulation from long-term topical use is an open question rather than a settled one
doi:10.1042/BST20120066
[FAK-paxillin pathway, fibroblast cell culture.] Sikiric P, et al