Comparison to Other Routes Intravenous: 100% bioavailability (by definitionthe full dose enters circulation) Subcutaneous: Likely 6090% bioavailability (depends on absorption rate) Oral: ~38% systemic bioavailability This is why some researchers hypothetically prefer injected routeshigher bioavailability means lower nominal doses are needed
If I could tell the Dr how much this has improved my quality of lifeI am just so thankful
CLINICALLY PROVEN: Glyteine is the only clinically validated ingredient shown to elevate intracellular glutathione above homeostasis in just a single dose - with results seen in under 120 minutes
Drmic et al., Celecoxib-induced gastrointestinal, liver and brain lesions in rats, counteraction by BPC 157 or L-arginine, aggravation by L-NAME, World J
[updated 2022 Feb 17] 19932023
According to several studies, there has been no difference in outcomes between orally and parenterally administered vitamin B 12
