Deca (Nandrolone Decanoate) is one of the most recognized and respected compounds in the world of performance enhancement. As a 19-nortestosterone derivative, it is highly anabolic with moderate androgenic activity, promoting steady gains in lean muscle mass while also improving joint comfort and connective tissue strength. The decanoate ester provides a slow and steady release, requiring fewer injections and offering sustained effects.
Deca 600mg is a concentrated version, allowing users to administer higher doses with less volume. It is often paired with testosterone to prevent side effects associated with suppression of natural hormone production and sexual dysfunction.
Benefits
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Promotes lean, sustained muscle growth
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Improves joint function and reduces joint pain
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Enhances recovery and endurance
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Increases nitrogen retention and red blood cell production
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Long-lasting effects with infrequent injections
Side effects
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Suppression of natural testosterone
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Water retention and bloating
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Potential increase in prolactin (may cause low libido or ED)
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Risk of gynecomastia
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Acne, oily skin, or hair thinning in sensitive users
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Requires testosterone base to avoid sexual dysfunction
Dosages & Protocol
Dosages for Men:
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Beginner: 300mg per week (0.5ml)
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Intermediate: 600mg per week (1ml)
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Advanced: 900mg per week (1.5ml)
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Cycle duration: 10–14 weeks
Always stack with a testosterone base and consider prolactin and oestrogen control support if using above 600mg.
Not recommended for women due to high risk of virilization.
How to administer
Administer via intramuscular injection using a 23–25 gauge, 1–1.5 inch needle.
Inject into large muscle groups such as the gluteus, thigh, or deltoid.
Inject once or twice weekly depending on the total dose and tolerance. Rotate sites and maintain sterile technique.
Storage
Store in a cool, dry place away from direct sunlight. Do not refrigerate. Keep vial sealed when not in use.
Half life & detectability
Half-Life: Approximately 6–12 days
Detection Time: Up to 18 months after last injection
For athletes subject to drug testing, it is crucial to consider these detection times to avoid positive tests for banned substances.
