ONYX Super Mass 300
ALSO KNOWN AS
• Hardcore Mass Stack
• Strength & Size Blend
• Super Mass 300 Mix
DESCRIPTION
ONYX Super Mass 300 is a powerhouse blend engineered for aggressive bulking and strength-building phases. This unique formulation combines fast-acting and potent compounds: Trenbolone Acetate (75mg), Oxymetholone (30mg), Testosterone Propionate (75mg), Halotestin (5mg), and Nandrolone Phenylpropionate (50mg) per ml. The mix delivers rapid strength, size, and density gains, while supporting endurance and aggression in training. Best suited for advanced athletes seeking dramatic physique changes in short cycles.
DOSAGE & ADMINISTRATION
• Concentration: 300mg/ml total blend
– 75mg Trenbolone Acetate
– 30mg Oxymetholone
– 75mg Testosterone Propionate
– 5mg Halotestin
– 50mg Nandrolone Phenylpropionate
• Typical Weekly Dosage:
• Beginners: Not recommended due to potency
• Intermediate: 300–450 mg/week
• Advanced: 450–600 mg/week or more
• Injection Frequency: Due to short esters and fast-acting agents, injections should be administered every other day.
CYCLE USE
ONYX Super Mass 300 is intended for short, high-intensity bulking cycles. It promotes rapid gains in mass, strength, and muscle hardness, making it ideal for offseason growth phases or elite-level body recomposition. Due to the presence of strong orals like Halotestin and Oxymetholone, cycle support and post-cycle therapy (PCT) are essential.
PACKAGE CONTENTS
1 vial of 10ml (300mg/ml total blend)
STORAGE INSTRUCTIONS
• Store below 30°C
• Keep away from light
• Do not freeze