Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
As the first company worldwide to produce Calcium Levofolinate Pentahydrate (Levoleucovorin Calcium) in commercial quantities, we are committed to delivering the highest product quality.
Metafolin® is the calcium salt of L-5-methyltetrahydrofolic acid or L-methylfolate. As an alternative to folic acid, it offers good stability, solubility and bioavailability.