1. The Role of Solvents (BB & BA)
Testosterone powder does not naturally dissolve in oil. To make it a liquid, labs use solvents. The ratio of these solvents is the #1 predictor of Post-Injection Pain (PIP).
-
Benzyl Alcohol (BA): Used as a bacteriostatic agent to kill germs.
Ideal Range: 1% - 2%
Danger: >3% causes tissue necrosis and burning. -
Benzyl Benzoate (BB): Used to keep the hormone dissolved in the oil.
Ideal Range: 15% - 20%
Danger: Excess BB thins the oil but inflames the muscle.
2. Carrier Oil Viscosity Matrix
Thinner oils flow through smaller needles (27G-30G) easier, causing less trauma. Thicker oils require larger needles (23G-25G).
| Carrier Oil | Viscosity | Allergen Risk | Shree Tanvika Status |
|---|---|---|---|
| MCT Oil (Synthetic) | Low (Very Thin) | Very Low | Standard |
| Grapeseed (GSO) | Medium | Low | Optional |
| Cottonseed Oil | High (Thick) | Medium | Avoided |
| Peanut/Sesame | Very High | High | Banned (Pharma Grade Only) |
3. The "400mg/ml" Problem
UGLs often market "Test 400" or "Test 500" blends. While convenient, the chemistry is harsh. Testosterone Enanthate naturally saturates at around 250mg/ml.
To force 400mg into 1ml of oil, chemists must double the solvent (BB) or add Guaiacol (a harsh
super-solvent).
Result: Extreme PIP, flu-like symptoms, and systemic inflammation.
We stick to standard medical concentrations (200-250mg/ml) to ensure painless therapy.
4. Minimizing PIP: Best Practices
Even with pharmaceutical-grade oil, bad technique can cause pain. Follow this checklist to ensure a smooth depot release.
Warm The Vial
Cold oil is thick. Run the vial under hot water for 60 seconds before drawing. Warm oil flows through the needle effortlessly.
Needle Selection
Don't harpoon yourself. Use a 27G-29G 1/2" needle for delts/VG. Smaller needles cause less trauma and scar tissue.
Z-Track Method
Pull the skin taut to the side before injecting. Release after withdrawing. This "locks" the oil in the muscle and prevents leak-back.
Post-Injection
Do NOT massage deeply immediately. Allow the oil to settle. Apply a heat pack if soreness develops 24h later.
5. PIP vs. Infection: When to Worry
It is crucial to distinguish between simple tissue irritation (PIP) and a bacterial abscess. PIP usually peaks at 24 hours and fades. Infection gets worse.
| Symptom | Virgin Muscle PIP (Normal) | Infection / Abscess (Danger) |
|---|---|---|
| Onset Time | 12-24 Hours after pin | 3-5 Days after pin |
| Redness | None or slightly pink | Spreading red, hot to touch |
| Pain Level | Sore like a deep bruise | Throbbing, prevents movement |
| Fever | None | Systemic fever (>100°F) |
Medical Disclaimer
If you experience fever, spreading redness, or extreme heat at the injection site, seek medical attention immediately. This guide is for educational purposes only.