🛒 Recommended Supplements
What Is Growth Hormone (GH)?
Growth hormone (GH, somatotropin) is a protein hormone produced in the anterior pituitary. It is one of the most important anabolic hormones: it promotes muscle growth, bone density, fat burning (lipolysis), cell regeneration, and collagen synthesis. The largest amount of GH is released during sleep, especially in the deep sleep phase.
After age 30, GH production naturally declines by ~14% per decade. However, appropriate strategies can significantly increase natural GH secretion at any age.
⏰ GH Secretion "Windows": When Is GH Highest?
GH is released in pulses — not evenly. The largest peak occurs before midnight (during the first 1–2 hours of sleep). A second, smaller peak occurs in the early morning. During the day, GH levels are low, except after workouts.
📋 Natural GH Stimulation Strategies
Priority #1 — Sleep!
Go to bed at 22:00–23:00. The greatest GH peak occurs during the first 1–2 hours of sleep. Going to bed later reduces this peak. 7–9 hours of quality sleep. Room temperature 18–20°C, complete darkness.
HIIT and Heavy Strength Training
HIIT (sprints, intervals) and heavy compound training with short rest (60–90 sec.) increase blood lactate, and lactate stimulates GH secretion. The more muscle groups involved, the greater the GH response.
Avoid Carbohydrates Before Bed
High insulin levels inhibit GH secretion. The last meal should be 2–3 hours before bed, without a large amount of carbohydrates. Protein (casein) is suitable before bed.
Intermittent Fasting (IF)
The 16:8 protocol (16 hours of fasting, 8-hour eating window) can increase GH up to 5 times during fasting. IF + fasted training — an even greater GH response.
Optimize Body Composition
The more visceral fat, the lower GH production. Each kg of fat lost can significantly increase the GH response to training.
Sauna / Heat Therapy
15–20 min in a sauna (80–90°C) can increase GH 2–3 times. The effect is even greater if the sauna is immediately after training.
💊 Supplements for Growth Hormone Stimulation
| Supplement | Mechanism of Action | Dose | Evidence |
|---|---|---|---|
| Melatonin | Increases GH secretion during sleep (especially in older adults) | 0.3–3 mg before bed | Average (especially >50 years) |
| Glycine | Amino acid — GH secretion stimulator | 3–5 g before bed | Intermediate |
| GABA | Increases GH at rest and after workout | 1.5–3 g before bed | Moderate (some data show up to a 400% GH increase!) |
| L-Arginine + L-Ornithine | Inhibits somatostatin (which blocks GH) | 3–5 g arginine + 2–3 g ornithine (fasted, before bed) | Moderate (effective when fasted) |
| L-Glutamine | Even 2 g of glutamine can increase GH | 2–5 g (in the morning fasted or before bed) | Low–Moderate (one study, more needed) |
| Mucuna Pruriens (L-DOPA) | L-DOPA → dopamine → GHRH → GH | 500 mg (15% L-DOPA) fasted before bed | Intermediate |
| Alfa-GPC | Acetylcholine precursor — increases GH via the cholinergic pathway | 600–1200 mg before workout | Moderate (especially in young athletes) |
🚫 What BLOCKS Growth Hormone?
🍬 High Insulin
Insulin and GH are antagonists. Sweet drinks, sweets, and large amounts of carbohydrates before bed block nighttime GH secretion.
😰 High Cortisol
Chronic stress and cortisol inhibit GH through GHRH/somatostatin dysregulation. Stress management is essential.
🍺 Alcohol
Alcohol can reduce nighttime GH secretion. Even one drink before bed significantly inhibits GH.
🫃 Obesity / Visceral Fat
Adipose tissue secretes somatostatin and other GH-inhibiting factors. BMI >30 — GH secretion significantly lower.
💡 Practical Tips for Optimization
🩺 Get Checked Regularly
Blood tests every 6–12 months: hormone panel, vitamin D, lipid profile. Don't guess — know your numbers!
😴 Sleep — Priority #1
7–9 hours of quality sleep are more important than any supplement. Hormone production and recovery occur during sleep.
🏋️ Train Smart
More does not mean better. Train hard but smart. Listen to your body's signals and don't forget recovery.
🥗 Nutrition — The Foundation
No supplement will replace complete nutrition. Protein, healthy fats, vegetables — these are the building blocks for your hormones.
❓ Frequently Asked Questions
Q: How long until you can expect changes?
A: It depends on your initial condition. Nutrition and lifestyle changes start working within 2–4 weeks. Significant hormone level changes — within 8–12 weeks.
Q: Do these strategies work for everyone?
A: The basic principles (sleep, nutrition, training) are universal. Individual nuances depend on genetics, age, and health status.
Q: When should you see a doctor?
A: If after 8–12 weeks of lifestyle optimization there are no changes, or symptoms worsen — an endocrinologist consultation is necessary.
🧠 Myths and Truth
❌ Myth: It works the same for everyone
✅ Truth: Everyone's body is unique. Genetics, hormone levels, training experience, and dietary habits determine the individual response. What works for one person will not necessarily work for another.
❌ Myth: The more, the better
✅ Truth: More is not always better. Too high doses, too frequent training, or too long a protocol can have the opposite effect. The sweet spot is the key to success.
❌ Myth: Results are visible immediately
✅ Truth: The body needs time to adapt. The first changes — within 2–4 weeks. Significant results — within 8–12 weeks of consistent work. Patience is essential!
❌ Myth: Supplements will solve all problems
✅ Truth: Supplements are only an auxiliary aid. Without proper nutrition, sleep, and training — no supplement will work. First, get the basics in order!
⚠️ Don't Forget
Important!
This information is for educational purposes. Before changing your nutrition, starting supplements, or changing your training regimen, consult a sports medicine physician or a certified nutrition specialist.
Individual recommendations are always more precise than general guidelines. Listen to your body!