Estra-4,9-diene-3,17-dione (Methyldienedione) cas5173-46-6 powders safe muscle building steroids
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Estra-4,9-diene-3,17-dione (Methyldienedione) cas5173-46-6  powders safe muscle building steroids
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Basic Infomation
Place of Origin: Zhejiang,China
Brand Name: Pharma Grade
Certification: ISO,GMP
Model Number: 5173-46-6
High Light:

pharmaceutical grade steroids


muscle gain steroids

Payment & Shipping Terms
Packaging Details: Foil bag or other discreelty package,according the order quantity and different country.
Delivery Time: within 24 hours after payment
Payment Terms: Western Union, MoneyGram, T/T,bank transfer,Bitocin
Supply Ability: 1000kg/month
Name: Estra-4,9-diene-3,17-dione
Other Name: Methyldienedione
Cas: 5173-46-6
Purity: 99%
Usage: Muscle Growth Steroids
Feature: Natural And Healthy
Product Description

Estra-4,9-diene-3,17-dione (Methyldienedione) cas5173-46-6 powders safe muscle building steroids


Basic Info.


Product Name : Methyldienedione
Alias : Estra-4,9-diene-3,17-dione
CAS register number : 5173-46-6
Molecular Formula : C18H22O2
Molecular Weight : 270.37
Melting Point : 131-134°C
Assay : 98%min
Grade : Pharmaceutical Grade
Storage: Shading, confined preservation
Packing: 1kg/foil bag. 25kg/drum
Character: White crystalline powder.
Usage: A potential metabolitie of STS 557 (Dienogest). A steroid with antiglucocorticoid activity.


Product Description:

Estra-4,9-diene-3,17-dione is a powerful pro-steroid chemically similar to the anabolic agent Trenbolone.
When in the body, estra-4,9-diene-3,17-dione completes the conversion to Trenbolone. Trenbolone is a potent anabolic steroid, which binds to specific receptors present in reproductive tissue, muscle and fat.

Estra Diene Dione (estra-4,9-diene-3,17-dione) is an anabolic steroid and a precursor to Estra Diene Dione. It became a controlled substance in the US on January 4, 2010, and is classified as a Schedule III anabolic steroid under the United States Controlled Substances Act. Previous to this, it was sold as a bodybuilding supplement within the United States, and often mistakenly marketed as a prohormone for trenbolone, a veterinary steroid. Prior to its scheduling, it was part of a number of supplements that were seized during FDA enforcement for selling unapproved new drugs. The actual target steroid, Estra Diene Dione has some structural similarity to trenbolone, but lacks the 11-carbon -ene bond.




Estra-4,9-diene-3,17-dione (Methyldienedione) cas5173-46-6  powders safe muscle building steroids 0


1. Protection from gynomastia,
2. Increased sex drive/libido,
3. Enhanced intensity & focus,
4. Estrogen control,
5. Positive effects on strength & lean mass.


Packaging & Delivery

1. Professional team for package and shipment.Special way to ship 100grams to 100kg powders at one time to your country.
2. Fast and discreet shipment could be arranged for customs pass Guaranteed.
3. Tracking code 24 hours for customs pass guaranteed.
4. Many kinds of shipment, also can be as your requirement.


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Fitness tips~~


The trapezius muscle is the most striking muscle on our back, shaped like a diamond, extending from our neck down to the middle back, like a beautiful shawl

The trapezius muscle is the superficial muscle located in the upper back and the middle back. It originates from the base of the skull, runs down, the middle back area, and runs in the width direction, including the shoulder blade.


Many people say that the first impression of the trapezius muscle is the connection between the neck and the shoulder (upper part of the trapezius)! This is very one-sided!


In fact, it can be divided into upper, middle and lower parts according to the direction of muscle fibers. And the function of each part will be different!


Upper part of the trapezius: the main function is to lift the shoulder blade and rotate the shoulder blade

Middle of the trapezius: posterior scapula

Lower part of the trapezius: sinking, lower slewing scapula

Middle of trapezius

The main function of the middle part of the trapezius muscle is the posterior scapula!

We will experience the movement of the middle of the trapezius muscle from the most basic joint movement.


Recommended action: elastic with shoulder blade


Due to the sedentary posture and the unbalanced training situation (too much focus on the front chest muscles, the training of the front triangle) for most people, the middle and lower part of the trapezius muscle is weak!


Insufficient muscle strength in the lower and lower part of the trapezius muscle, the lack of tension can lead to the stability of the shoulder blade; a series of bad posture: shoulder forward, lift, internal rotation, including chest hunch. Scapula eversion and more!


This is a simple action to activate your muscles!


Choose a stretch band or yoga band, empty hand can also!


1. Stand naturally, then grab the elastic band with both hands and put the arm on the elbow of the body at 90 degrees.


2. The arm bends 90 degrees to the knee, the upper arm is attached to the body, and the shoulder is externally rotated.


3. Use the shoulders to clip back to the elastic band (the scapula is collected). Remember, instead of using the palm, wrist or arm to force, but the shoulders are clipped back (received), ideally, your shoulder blade can hold a pen!


Similar actions include: elastic shoulder-level abduction, leaning over the birds and so on!


Strengthen training:

As long as there is a movement involving the scapula, the middle part of the trapezius will participate! The most common is the horizontal pull action (sitting rowing, back rowing, etc.)

Action recommendation: sitting rowing

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