Subcutaneous injection bypasses all of these barriers except plasma half-life, which for unmodified small peptides is generally very short (minutes to low hours, based on class-level pharmacokinetic data for similar unmodified peptides)
High levels of homocysteine are associated with an increased risk of developing cardiovascular disease
In vitro studies have utilized human umbilical vein endothelial cells (HUVECs) to investigate angiogenic activity, human fibroblast cultures for wound migration assays, and tendon fibroblast primary cultures to examine collagen synthesis rates
The fine 2831 gauge needles make subcutaneous (subQ) injections nearly painless
Studies show protection against glaucoma with restored intraocular pressure, recovered pupil function, and maintained retinal integrity
Since B12 contains cobalt, people with known sensitivities should not receive injections