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Growth Hormone (HGH)
Authentic 191aa recombinant Human Growth Hormone pens and lyophilized vials. Optimal somatropin purity, cold-chain prepared.
Available formulations
All items in EU stock, dispatched within 24 h
What sits in this group
Human Growth Hormone (Somatropin rhGH) is a 191-amino-acid single-chain polypeptide identical to endogenous pituitary growth hormone. Unlike 192aa somatrem preparations that cause anti-hGH antibody formation, authentic 191aa somatropin delivers zero immune resistance over prolonged therapeutic exposure.
We supply premium pre-filled cartridge delivery systems including Somagen Aqua Pen 90 IU and OneQ Blue HGH 90 IU, eliminating manual mixing and reconstitution errors.
IGF-1 synthesis, hyperplasia and lipolysis
Circulating somatropin binds hepatic growth hormone receptors, stimulating transcription and secretion of Insulin-like Growth Factor 1 (IGF-1). Systemic IGF-1 acts on satellite cells to induce muscular hyperplasia (splitting and creation of new muscle fibers).
Simultaneously, HGH directly binds adipocyte receptors to stimulate hormone-sensitive lipase (HSL), mobilizing deep visceral and subcutaneous fatty acids for cellular energy.
Stacking with androgens and peptides
Somatropin demonstrates profound synergy when combined with an androgen base from our Injectable Steroids catalog, as androgens upregulate hepatic GH receptor density.
For joint and tendon rehabilitation, pair with BPC-157 and TB-500 from our Peptides & Healing range.
Review complete administration guidelines in our HGH Dosage & Storage Guide.
Endocrine and glycemic biomarkers
Track serum IGF-1 (targeting upper normal athletic range: 350–450 ng/ml), fasting blood glucose, HbA1c, and thyroid hormones (TSH, Free T3). Growth hormone accelerates peripheral conversion of T4 to T3; monitoring maintains metabolic equilibrium.
Cold-chain dispatch guarantee
Stored in calibrated 2°C–8°C pharmaceutical refrigerators. Formulated with stabilizing buffers allowing up to 14 days of ambient stability during intra-EU priority transport.
Reference material compiled from published pharmacological literature. Not medical advice. Obtain baseline bloodwork and speak to a physician before starting any protocol.