What is Testo 600 (Testosterone Acetate 180mg + Testosterone Phenylpropionate 220mg + Testosterone Cypionate 200mg)?
Testo 600 is an ultra-high-concentration triple-ester testosterone blend at 600mg/mL — combining Testosterone Acetate 180mg/mL (ultra-fast onset, ~1–2 days), Testosterone Phenylpropionate 220mg/mL (short-medium, ~4–5 days), and Testosterone Cypionate 200mg/mL (medium-long, ~8–10 days). At 600mg/mL total concentration, this formulation allows maximum testosterone loading per injection volume. The absence of a decanoate component means faster overall clearance vs decanoate-containing blends, useful for research protocols requiring higher peak with earlier washout. Research use only.
Research Applications
Ultra-High-Concentration Testosterone PK
600mg/mL injection site bioavailability, depot formation, and systemic absorption at extreme concentration
Triple-Ester Kinetics Without Decanoate
Acetate + phenylpropionate + cypionate — fast-to-medium coverage without ultra-long decanoate tail
Maximum Dose-Volume Efficiency
Highest total testosterone per mL — volume-dose research for minimal injection volume protocols
Rapid-Onset + Sustained Exposure
Acetate immediate peak (Cmax ~24h) followed by cypionate sustained plateau — biphasic research model
HPG Axis Suppression
Rapid-onset then sustained LH/FSH suppression — kinetics of 3-ester multi-peak gonadotropin inhibition
Quick Specs
| Form | TestAce C₂₁H₃₀O₃ + TestPP C₂₈H₃₆O₃ + TestC C₂₇H₄₀O |
| Purity | ≥99% by HPLC — every batch |
| CAS Number | 1045-69-8 / 1255-49-8 / 58-20-8 |
| Molecular Weight | MS confirmed — every batch |
| Specification | ≥99% by HPLC — every batch |
| Shelf Life | 24 months (unopened) |
| Storage | Room temperature 15–25°C | Protect from light | Do not freeze |
| Brand | China |