Maxtreme bottle their nandrolone at 300 mg per millilitre, ten millilitres to the vial, under the N-Lone-D name they use across the range.
One thing worth knowing about the decanoate ester regardless of who makes it: its metabolites persist for an exceptionally long time. Nandrolone has one of the longest detection windows of any injectable in this class, measured in months rather than weeks, and that has nothing to do with how long the hormone stays active. The concentration here is on the high side, which means a heavier solvent fraction and a thicker oil than the classic pharmacy strengths.
