In this blog, well break down the key differences between delivery methods, explore how NAD+ works in the body and highlight why injections may be preferred
At a glance Drug / alendronate (Fosamax), oral bisphosphonate for osteoporosis Supplement / glutathione, endogenous antioxidant tripeptide (glycine-cysteine-glutamate) Known direct interaction / none reported in peer-reviewed pharmacokinetic studies as of 2025 Primary risk / indirect: oral glutathione taken near alendronate may worsen already-poor bisphosphonate absorption Alendronate fasting bioavailability / approximately 0.6% of oral dose reaches systemic circulation Recommended separation window / minimum 30 minutes before or 2 hours after alendronate dosing IV or liposomal glutathione / no chelation data available
Verified review - view original The shipment came quickly and had plenty of supplies
However, GSH depletion is a most characteristic finding when red blood cells are subjected to oxidative challenge, and in one careful study it has been demonstrated that during an attack of favism, the first measurable biochemical change is a decrease in NADPH, followed by a decrease in GSH, in keeping with stages 1 and 2 described earlier
While all humans need Vitamin B12 to remain healthy, certain groups are more likely to need B12 injections at regular intervals