This happens by inhibition of vit D3 which is responsible for calcium absorption.
Green R, Allen LH, Bjrke-Monsen AL, Brito A, Guant JL, Miller JW, Molloy AM, Nexo E, Stabler S, Toh BH et al
The Bottom Line Given how essential the B12 vitamin is to our bodies, vitamin B12 injections can help your body absorb more if your diet is not providing optimal levels
To assess synergy of the 3-drug combination, the Bliss Independence model was used (39) ( Figures 3CE )
This cancer treatment can impact digestion and absorption of vitamin B12
However, it is available as a research chemical from various sources, with personal use falling into an ambiguous legal category