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Third, PA calcification has been linked to hypoxia, in that hypoxia decreases the expression of serine protease granzyme B stored in the granules of T lymphocytes and natural killer cells, which inhibits store-operated calcium channels (SOCCs) as the main source of calcium mineral by attenuating non-canonical Wnt signals in SMCs, thus increasing calcification of the PA (141)

In accord with these results, TSC2 protein levels determined immunohistochemically were higher in hypertrophic chondrocytes of the CartIR / mice compared to controls (Figure 5b)

So, it's going through a transporter called the Mfsd2a transporter

Liposomal vitamin C is more absorbable and bioavailable in the body because the vitamin C is encased within liposomes, microscopic droplets surrounded by a lipid bilayer, the same kind of barrier as our cell membranes