Yes. Rohm Labs has been operating in the UK for over a decade and is widely regarded as one of the most established and trusted underground lab brands in the country. Products are independently lab-tested, results are published publicly, and independent reviews across Eroids, Trustpilot, and bodybuilding forums confirm product quality and delivery reliability.

Are Rohm Labs products safe to use?

Rohm Labs products are manufactured under quality-controlled conditions and independently tested for purity, potency, and contaminants. All anabolic steroids carry inherent health risks. We recommend consulting a healthcare professional before use and following proper post-cycle therapy protocols.

Rohm Labs is a UK-based manufacturer and supplier of anabolic steroids and performance-enhancing compounds. The brand has been active for over ten years and produces injectable steroids, oral steroids, and post-cycle therapy products.

Where is Rohm Labs based?

Rohm Labs is based in the United Kingdom. All manufacturing, quality control, and dispatch operations are conducted within the UK, meaning faster delivery with no customs delays for UK customers.

Does Rohm Labs ship to the USA?

This store currently ships within the United Kingdom only. International shipping to the USA, Europe, or other regions is not available. UK-only dispatch allows for reliable next-day delivery and eliminates customs risks.

What is the Rohm Labs new branding?

Rohm Labs periodically updates packaging and label design to improve anti-counterfeiting measures. The latest update includes redesigned labels, updated holographic security stickers, and batch-traceable QR codes. Product formulations remain unchanged.

How can I tell if my Rohm Labs products are genuine?

Every Rohm Labs product includes holographic security labels, tamper-evident seals, and batch-traceable codes. You can verify your product by checking the batch number against published lab results or by contacting support with your batch number for verification.

How fast is UK delivery?

Orders placed before 2:00 PM Monday to Friday are dispatched the same day via Royal Mail tracked delivery. Most mainland UK customers receive their order within 24 hours of dispatch. All packages are sent in discreet packaging.

Rohm Labs is a privately operated brand. The brand has been under consistent management for over a decade, with product quality maintained throughout. Operations are entirely UK-based.

Where can I buy Rohm Labs products in the UK?

Genuine Rohm Labs products can be purchased from rohmmedlabs.co.uk. All products are held in UK stock with next-day delivery via Royal Mail. We recommend purchasing from verified sources only, as counterfeit products exist in the market.

Sale!

Deca 300mg

Original price was: £40.00.Current price is: £30.00.

Category: Rohm labs injectables

Description
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Rohm Labs Deca 300mg (Nandrolone Decanoate)

Deca is one of the most established mass-building injectable steroids and a staple in off-season bulking cycles worldwide. Rohm Labs Deca delivers 300 milligrams of Nandrolone Decanoate per millilitre in a 10ml multi-dose vial, providing 3,000mg total. Each batch is independently lab-tested by a UK analytical laboratory for compound identity, concentration, and sterility.

Product Specifications

Active Compound

Nandrolone Decanoate (CAS 360-70-3)

Concentration

300mg per millilitre

Vial Size

10ml multi-dose vial (3,000mg total)

Half-Life

Approximately 6 to 12 days

Injection Frequency

Once per week

Aromatisation

Low (approximately 20% the rate of testosterone)

19-Nor Compound

Yes (prolactin management may be needed)

Manufacturer

Rohm Labs (UK)

What Is Deca (Nandrolone Decanoate)?

Nandrolone Decanoate is a 19-nortestosterone (19-nor) anabolic steroid with a strong anabolic rating and a low androgenic rating. It was originally developed for clinical treatment of anaemia, osteoporosis, and muscle-wasting conditions. In performance enhancement, Deca is valued for its ability to promote quality lean mass gains, improve collagen synthesis and joint health, and enhance recovery between training sessions.

Deca is one of the most joint-friendly steroids available. It increases synovial fluid production and collagen synthesis, which provides relief from joint pain and connective tissue stress. This makes it particularly popular among strength athletes and bodybuilders who train with heavy loads.

Common Uses and Cycle Guidelines

Classic Deca + Test Bulk

The most proven mass-building stack: Test E 500mg/wk combined with Deca 300-400mg/wk for 12-16 weeks. Testosterone should always be run at a dose equal to or higher than Deca to prevent “Deca dick” (erectile dysfunction caused by the progesterone and prolactin activity of nandrolone). Add Dianabol 30mg/day for weeks 1-4 as a kickstart for the most popular off-season stack in bodybuilding history.

Joint Support During Cutting

Some users include Deca at a low dose of 100-200mg/wk during cutting phases specifically for its joint-protective effects, which counteract the joint dryness caused by compounds like Winstrol and Masteron.

Important: PCT Timing After Deca

Nandrolone Decanoate has an extremely long active life and clearance time. PCT should not begin until 3-4 weeks after your last Deca injection. Many users switch from Deca to the shorter-acting NPP (Nandrolone Phenylpropionate) for the final 4 weeks of a cycle to reduce the PCT waiting period. PCT protocol: Clomid 100/50mg + Tamoxifen 40/20mg for 4 weeks. See our PCT Guide for details.

Prolactin Management

As a 19-nor compound, Deca can elevate prolactin levels, which may cause erectile dysfunction, reduced libido, and in some cases gynecomastia unresponsive to standard AI treatment. Cabergoline 0.25-0.5mg twice weekly is the standard approach if prolactin-related sides appear. Have it on hand before starting any Deca cycle.

Side Effects

Beyond prolactin concerns, Deca can cause mild water retention, suppression of natural testosterone (heavier than most compounds), potential cardiovascular strain with long-term use, and progesterone-related effects. Running testosterone at an equal or higher dose, managing prolactin, and running proper PCT mitigates most issues.

Lab Testing

Every Rohm Labs Deca batch is independently tested for Nandrolone Decanoate identity, concentration accuracy, and sterility. Verify your batch on our Lab Testing and Verification page.

Related Rohm Labs Products

Commonly purchased with Deca 300mg: Test E 300mg (mandatory base), Dianabol 10mg (kickstart), Cabergoline 0.5mg (prolactin), Arimidex (AI), Clomid 50mg (PCT), and NPP 100mg (shorter nandrolone ester).