Deca Durabolin

Name: Deca Durabolin
SKU: SynDeca300mg
Availability: InStock
Rating: 5.00 (3 reviews)

Rated 5 out of 5 based on 3 customer ratings

Price range: $ 85.00 through $ 103.00 CAD

Nandrolone Decanoate (Deca) 300mg/mL | 10ml or 20ml – Top-Quality Anabolic Steroids in Canada

Deca 300 Nandrolone Decanoate delivers steady lean mass, reliable strength, and smoother training across long blocks. The decanoate ester holds a long half-life, so split shots keep levels even. At 300 mg/mL, volume math stays simple. A 300 mg week uses 150 mg = 0.50 mL on Monday and 150 mg = 0.50 mL on Thursday. A 400 mg week uses 200 mg = 0.67 mL per shot. A 500 mg week uses 250 mg = 0.83 mL per shot. A 600 mg week uses 300 mg = 1.00 mL per shot. Pair Deca with a measured testosterone base. Let labs guide any AI. Plan PCT roughly two weeks after your final injections using Nolvadex and Clomid or use GHCanada’s PCT service for dates and doses. Add syringes and swabs at checkout. When you want calm progress and durable tissue with a predictable look, Deca 300 fits the plan.

Note: It’s essential to consult a healthcare specialist before embarking on any steroid cycle. Steroids should be utilized judiciously and with appropriate medical guidance.

Deca 300 – Nandrolone Decanoate is a Canadian steroid made by Syntex Labs.
Place an order for Deca 300 – Nandrolone Decanoate steroid now and we’ll ship it to you anywhere in Canada & USA within 24h.
For USA customers packaging may differ and dosage is 200mg/mL

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- 10ml (300mg/mL) 85 $
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Deca 300 Nandrolone Decanoate 300 mg/mL | 10 mL or 20 mL

What you are buying and why lifters choose it

Nandrolone Decanoate is a long-ester injectable aimed at steady lean tissue, reliable strength, and joint comfort support. Users add Deca when they want smoother progress, less day-to-day water swing than heavy aromatizing oils, and easier appetite adherence during longer blocks. The decanoate ester holds a long half-life, so split shots each week keep levels even and mood stable.

Order here: Deca-Durabolin / Nandrolone Decanoate. Review free-shipping eligibility and recent customer reviews.

Product overview

Attribute	Detail
Compound	Nandrolone Decanoate
Also known as	Deca, Deca-Durabolin
Strength	300 mg/mL
Formats	10 mL or 20 mL multi-dose vial
Class	Injectable anabolic steroid, 19-nor
Ester	Decanoate, long acting
Approx half-life	6 to 12 days
Aromatization	Low to moderate
Progestin activity	Present
Primary goals	Lean mass, strength, improved training comfort, stable look
Injection frequency	2 times per week
Typical partners	Testosterone base; optional Masteron E for a drier finish
Kick-in window	Weeks 3 to 5
PCT	Required after long-ester clearance

What Deca actually does in the gym and in the mirror

Supports slow, durable tissue gain with a calm day-to-day scale.
Holds strength while volume rises. Pumps feel dense and repeatable.
Eases joint feel during high-volume blocks.
Keeps water in a manageable range at moderate doses with clean food and steady electrolytes.

What is Nandrolone Decanoate
Nandrolone attached to a decanoate ester. Release is slow. Serum levels build over several weeks. The long ester rewards patient programming.

How long it stays in your system
Meaningful activity persists for weeks. Start PCT only after a brief clearance window post last injection.

Dosing principles

Deca rewards longer calendars, split injections, and measured totals. Pair with a testosterone base to keep function, mood, and labs predictable.

Common weekly ranges

User	Conservative start	Common range	Upper end for advanced users*
Men	200–300 mg per week	300–500 mg per week	600–700 mg per week
Women	25–50 mg per week	50–75 mg per week	100 mg per week (high virilization risk)

*Upper-end values reflect community practice, not a recommendation. Most lifters reach targets inside the common range.

Injection rhythm at 300 mg/mL

Two injections per week fit the ester and reduce swings.

Weekly total	Split dose (mg)	Volume per shot
300 mg	150 mg on Mon / Thu	0.50 mL
400 mg	200 mg on Mon / Thu	0.67 mL
500 mg	250 mg on Mon / Thu	0.83 mL
600 mg	300 mg on Mon / Thu	1.00 mL

Supplies: 3 mL Syringe and Alcohol Swabs.

Example schedules

14-week lean mass plan

Week	Nandrolone Decanoate	Testosterone base	Notes
1–2	300 mg per week	Testosterone Enanthate 250 mg per week	Establish sleep, BP, appetite, electrolytes
3–10	400–500 mg per week	Test E 300–400 mg per week	Progressive volume, logbook, waist and photos
11–12	300 mg per week	Test E 250 mg per week	Step down, maintain calories
13–14	0 mg	Test E 200 mg per week	Coast toward clearance, plan PCT

12-week recomposition plan

Week	Nandrolone Decanoate	Testosterone base	Diet and cardio focus
1–4	300 mg per week	Test E 250 mg per week	Slight deficit, protein 2.0 g/kg, easy cardio 3x weekly
5–8	400 mg per week	Test E 300 mg per week	Hold strength, keep sodium and potassium steady
9–12	300 mg per week	Test E 250 mg per week	Exit ramp, labs decide any AI move

Estrogen and prolactin management

Nandrolone aromatizes less than testosterone but shows progestin activity. Manage with data, not reflexes.

Use an AI only if labs and symptoms support it. Start low and reassess in 10 to 14 days.
- Aromasin
- Arimidex
If tissue sensitivity appears while dialing in estrogen, a SERM shields while you adjust the base and AI.
- Nolvadex

For structured review of results and timing, use Bloodwork Analysis & Recommendations.

Side effects and how to manage them

Blood pressure and hematocrit
Track BP at home. Schedule periodic CBCs. Hydrate. Donate blood only with medical approval.

Progestin-related issues
Monitor libido, mood, and tissue sensitivity. Adjust totals first. Keep the testosterone base in a supportive range.

Lipids
Stay on top of HDL and triglycerides. Use easy cardio and smart fats.

Androgenic effects
Acne and oil rise with totals. Pull back before stacking more items.

Suppression
Deca is suppressive. Plan your exit before the first milliliter.

Post-cycle therapy timing

Long esters require a short clearance window before SERM use. A simple outline after Test E plus Deca:

Weeks	Nolvadex	Clomid	Notes
1–2	40 mg daily	50 mg daily	Begin roughly 2 weeks after the final long-ester shots
3–4	20 mg daily	25–50 mg daily	Taper guided by labs and symptoms

Prefer a mapped plan with dates, dosing, and lab timing. Order the Post-Cycle Therapy Protocol.

Stacking logic that stays clean

Keep a testosterone base. Even modest amounts support energy, mood, and function.
Add one cosmetic finisher near the end if needed for a drier look. Masteron E works well when labs support it.
Avoid oral piles. If you add an oral, keep it brief and avoid overlapping methylated orals.
Let labs settle the estrogen question. Reach for Aromasin or Arimidex only when data supports it.

Nutrition and training that let Deca work

Protein 1.8 to 2.2 g per kg across 3 to 5 meals.
Carbs centered around training for performance and recovery.
Dietary fat at least 0.6 g per kg to protect joints and hormones.
Electrolytes kept steady each day.
Cardio two or three easy sessions weekly for lipids and BP.
Lifting with clean reps, progressive weekly volume, and consistent exercise selection.

Who should choose Deca and who should not

Choose Deca if you want long, calm progress with steady strength, training comfort, and lean mass that sticks after water settles. It fits lean mass and recomposition phases where gym performance matters every week.

Skip Deca if a deadline demands a rapid visual swing. Short esters or brief orals fit that role better. Return to Deca after the event for stable work.

Why Canadians order Deca from GHCanada

Predictable in-country shipping and clear stock. See Shop.
Recognizable strengths and labeling.
One-stop support for ancillaries, supplies, and services from start to PCT.
Help on demand through Contact and policy clarity at FAQs.

Quick answers

How often do I inject Nandrolone Decanoate
Two shots per week support smooth levels.

Do I always need an AI with Deca
No. Use labs and symptoms. Start conservative if an AI is required.

When do I start PCT
Roughly two weeks after the final long-ester injections, then follow a SERM plan or book the PCT service.

Is Deca good in a recomposition
Yes. Deca suits steady training with measured deficits and clean food.

Dosing schedule visualizations with dosages

Twice-weekly schedule at 300 mg/mL

300 mg per week

Week	Mon	Thu	Notes
1–12	150 mg = 0.50 mL	150 mg = 0.50 mL	Baseline BP, waist, weekly photos

400 mg per week

Week	Mon	Thu	Notes
1–12	200 mg = 0.67 mL	200 mg = 0.67 mL	Electrolytes steady, log lifts and sleep

500 mg per week

Week	Mon	Thu	Notes
1–12	250 mg = 0.83 mL	250 mg = 0.83 mL	Lipid check mid-block, adjust only by labs

600 mg per week

Week	Mon	Thu	Notes
1–12	300 mg = 1.00 mL	300 mg = 1.00 mL	Step down in final 2 weeks, PCT prep

Quick volume guide at 300 mg/mL
150 mg = 0.50 mL • 200 mg = 0.67 mL • 250 mg = 0.83 mL • 300 mg = 1.00 mL

Lab Test Results

3 reviews for Deca Durabolin

Rated 5 out of 5
Jason – May 24, 2018
Is a low androgenic steroid with high anabolic effect
Rated 5 out of 5
Ian F. – October 23, 2025
Deca helped my joints feel stronger and improved my muscle fullness throughout my cycle
Rated 5 out of 5
Sam J. – October 23, 2025
Excellent for recovery and lean mass smooth results with minimal side effects.

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Deca Durabolin

Deca 300 Nandrolone Decanoate 300 mg/mL | 10 mL or 20 mL

What you are buying and why lifters choose it

Product overview

What Deca actually does in the gym and in the mirror