Oxymetholone by Zyvex Pharmaceuticals
What Is Oxymetholone?
Oxymetholone from Zyvex Pharmaceuticals is one of the heaviest mass orals ever made, supplied as 50 mg tablets, 100 per pack. Known in sport by its clinical name anadrol, it produces rapid, dramatic size and strength gains in the first weeks of a bulking phase.
Oxymetholone works by a combination of strong androgen receptor activity and a notorious ability to hold water and push up red blood cells - the fullness is real and fast, but much of the early scale is glycogen and water. It is a short-window tool: powerful, suppressive, liver-toxic and estrogenic by mechanism, used only in serious mass phases.
Oxymetholone Dosage
Daily oral dosing, split if stomach tolerance asks for it, with the 50 mg tablet as the reference unit.
| Protocol | Daily Dose | Tablets (50 mg) |
|---|---|---|
| Mass start | 25-50 mg | Half to 1 tablet |
| Standard heavy phase | 50-100 mg | 1-2 tablets Common |
| Advanced | 100-150 mg | 2-3 tablets, experienced |
Blocks stay at 4-6 weeks maximum. One bottle of 100 at 100 mg a day lasts 50 days - more than one full block.
Oxymetholone Stacks
Oxymetholone is the heaviest mass oral and demands estrogen management from day one. The stacks below include the Zyvex Pharmaceuticals partners and the on-cycle and PCT support it needs.
| Stack | Goal |
|---|---|
| Oxymetholone + Enanthate 250 | Heavy mass kickstart |
| Oxymetholone + Enanthate 250 + Deca 300 | Serious bulking block |
| Oxymetholone + Aromasin | Estrogen management from day one |
| Oxymetholone + Nolvadex or Clomid | PCT after the block |
Oxymetholone Side Effects
Oxymetholone has one of the loudest side profiles in the oral class - dose and duration discipline is everything.
- Liver - strongly hepatotoxic; the shortest possible blocks and no alcohol.
- Estrogen - does not aromatize normally but still triggers estrogenic water and gyno risk through its own pathway.
- Sleep apnea - can worsen from water and neck mass gain.
This page is a product reference for research purposes. It does not replace medical advice, bloodwork review or local laws.
What is Oxymetholone?
Oxymetholone, known as anadrol, is one of the heaviest mass orals ever made. Zyvex Pharmaceuticals supplies it as 50 mg tablets, 100 per pack.
How long does Anadrol take to work?
Anadrol is the fastest mass oral on the shelf: dramatic size and strength gains appear within the first week.
What is the right Anadrol dosage?
Men typically run 50-100 mg per day. One 50 mg tablet is a solid start; two tablets is an advanced full dose.
Does Anadrol cause water retention?
Yes, more than almost any other oral. Much of the early scale on anadrol is glycogen and water, which is why the look is full and heavy.
Is Anadrol harder on the liver than Dianabol?
Both are 17-alpha-alkylated, but anadrol is considered among the most hepatotoxic orals. Blocks stay at 4-6 weeks with no alcohol.
What are the side effects of Anadrol?
Water retention, blood pressure climb, liver stress and sleep apnea risk lead the list. Blood pressure and liver checks are not optional.
Do you need an AI with Anadrol?
Anadrol does not aromatize normally but still triggers estrogenic water and gyno risk through its own pathway, so an AI is commonly used.
How long does Anadrol stay in your system?
Oxymetholone has a short half-life of about 8-9 hours and clears within days. Detection windows reach about two months with testing.
Do you need PCT after Anadrol?
Yes. Anadrol suppresses natural testosterone heavily, so a SERM-based PCT follows the block.
Where to buy Oxymetholone online?
Zyvex Pharmaceuticals Oxymetholone is available in this shop as 50 mg tablets, 100 per pack, with international and domestic shipping.
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