After thawing the supplements, I see some precipitation. Is this normal?

Light flocculation may be seen upon thawing the supplements containing ECGS/heparin or BPE. This does not affect the activity of our media. Optionally, the precipitate can be removed by centrifugation under sterile conditions. We recommend to thaw the supplements (SupplementMix or SupplementPack) at 15-25°C.