MASS 550

Long-acting 3-component blend (Testosterone Enanthate / Nandrolone D / Boldenone Undecylenate) with 550 mg/ml.
Composition: 250 mg Testosterone Enanthate, 150 mg Nandrolone Decanoate, 150 mg Boldenone Undecylenate per ml.
Half-life approximately 6–14 days, injection typically 1 to 2 times weekly.

Effect:

Strong muscle growth with good volume and solid quality
Significant and steady increase in strength
Improved regeneration, joint protection and endurance
Significantly increased protein synthesis and nitrogen retention
Significantly increased red blood cell production (EPO-like effect through boldenone → better oxygen supply and pump)
Increased appetite
Moderate aromatization (due to the testosterone content) and possible increase in prolactin (due to nandrolone)