NPP 150

What Is NPP 150?

NPP 150 is an injectable from Stealth Labs, supplied as a 10 ml vial at 150 mg/ml. Its active substance is Nandrolone Phenylpropionate, the short ester form of nandrolone. The pack ships without a label.

NPP and Deca are the same compound. The only difference is how fast the ester lets it go, and that single variable changes how a protocol has to be written.

Nandrolone Without The Wait

Deca uses the decanoate ester and clears over weeks. NPP uses phenylpropionate, which is a much shorter chain, so the compound arrives sooner and leaves sooner. A lab that wants to adjust as it goes picks NPP; one that wants a slow build picks Deca.

• Short ester - release begins quickly instead of building up over weeks.
• Faster clearance - it leaves the system sooner, so stopping is cleaner.
• Adjustable - readings respond in days, not weeks, which makes mid protocol changes possible.
• 150 mg/ml - a middle concentration between the 100 mg/ml short esters and the 300 mg/ml Deca.

Vial Details

• Manufacturer: Stealth Labs
• Pharmaceutical name: Nandrolone Phenylpropionate
• Pack: 10 ml vial, 150 mg/ml
• Form: injectable oil solution, shipped without a label

Store the vial upright, away from direct light and out of the cold. Do not freeze it, and keep the unlabelled vial somewhere you can identify it yourself.

What To Know Before You Buy

The nandrolone behind the ester behaves the same way either side of the change: it aromatises far less than testosterone, and it carries progestational activity that makes its profile different from a plain testosterone. Suppression of natural production applies as it does to any 19-nor. What the short ester gives back is control, because levels fall away in days rather than lingering for weeks.

Related Products

The long ester version of the same substance is Deca Durabolin 300. NPP 150 is another listing at the same strength, and Deca 200 with NPP 150 combines both nandrolone esters in one vial. For a short ester test to pair with it, see Testaplex P 100. Everything else sits in the Injectable Steroids category.

Common Questions About NPP 150

Is NPP the same as Deca?
Same substance, different ester. NPP clears far faster, which is the whole point of it.

How much is in the vial?
10 ml at 150 mg/ml, so 1,500 mg of nandrolone phenylpropionate in total.

Does it aromatise like testosterone?
No. Nandrolone converts to estrogen at a much lower rate, whichever ester carries it.

Buy NPP 150 Online

Add NPP 150 to your cart to order the Stealth Labs vial. If you are weighing up the two nandrolone esters, read the Deca listing alongside it, or browse the Injectable Steroids category for the rest of the range.