Standard / Gradual Approach (2 mL = 5 IU/mL)
| Phase |
Daily Dose (IU) |
Units (mL) |
| Weeks 1–4 |
0.5 IU |
10 U (0.1 mL) |
| Weeks 5–8 |
1 IU |
20 U (0.2 mL) |
| Weeks 9–12 |
2 IU |
40 U (0.4 mL) |
| Weeks 13–16 (opt.) |
4 IU |
80 U (0.8 mL) |
Advanced / Aggressive Approach (1 mL = 10 IU/mL)
| Phase |
Daily Dose (IU) |
Units (mL) |
| Weeks 1–4 |
2 IU |
20 U (0.2 mL) |
| Weeks 5–8 |
4 IU |
40 U (0.4 mL) |
| Weeks 9–12 |
6 IU |
60 U (0.6 mL) |
| Weeks 13–16 (opt.) |
8 IU |
80 U (0.8 mL) |
Studied in healthy older adults; modest body-composition changes, high side-effect rates.
| Dose (IU) |
Units (U / mL) |
Schedule |
1–2 IU daily or 6 IU 3×/week |
10–20 U (0.1–0.2 mL) 30 U (0.3 mL) |
Daily 5–7 d/wk or 3×/wk (~6 mo) |
Lean-mass gain without strength / endurance benefit in trials.
| Dose (IU) |
Units (U / mL) |
Schedule |
| 4–8 IU daily |
20–40 U (0.4–0.8 mL) |
Daily or 5 on / 2 off (6–12 wk) |
Muscle Growth (Bodybuilding)
High-dose regimens often stacked with steroids.
| Dose (IU) |
Units (U / mL) |
Schedule |
| 10–20 IU daily |
25–50 U (0.25–0.5 mL) |
Daily, split AM + PM (8–16 wk) |
Fat Loss (Lipolysis / Obesity)
Low-dose GH preserves lean tissue while reducing fat mass.
| Dose (IU) |
Units (U / mL) |
Schedule |
| 2–4 IU daily |
20–40 U (0.2–0.4 mL) |
Daily (AM) for 3–6 mo (or 8–12 wk) |
Injury Recovery (Tissue Repair)
Short-term high-dose use post-surgery to accelerate recovery.
| Dose (IU) |
Units (U / mL) |
Schedule |
| 5–10 IU daily |
25–50 U (0.25–0.5 mL) |
Daily 4–12 wk (e.g., 6 wk peri-ACL) |