I read some information about the blends of deca 200 with other compounds from one supplier. I never did that, not sure if it works well. Here is the detailed information I copied for your reference.
1ml @600mg/ml injection contains: 200mg Testosterone Cypionate, 200mg Boldenone Undecylenate, 200mg Nandrolone Decanoate
1ml @500mg/ml injection contains: 200mg Testosterone Enanthate, 100mg Trenbolone Enanthate, 200mg Nandrolone Decanoate
1ml @500mg/ml injection contains: 100mg Testosterone Enanthate, 100mg Testosterone Cypionate, 100mg Trenbolone Enanthate, 200mg Nandrolone Decanoate