IGF-1 LR3 1.4 mg pen

Spectrum Pharma IGF‑1 LR3: the ultimate anabolic catalyst

Spectrum Pharma IGF‑1 LR3 (Insulin‑Like Growth Factor‑1 Long‑R3) is a potent peptide engineered to accelerate muscle growth, enhance recovery, and boost lean‑mass development. Favoured by bodybuilders, powerlifters, and athletes seeking rapid results, this long‑acting analogue of IGF‑1 delivers sustained anabolic signaling while maintaining a low risk of hypoglycaemia. Purchase IGF‑1 LR3 from AASDEPOT, a trusted source known for competitive pricing, rigorous quality control, and fast worldwide shipping.

Pharmacological classification

Peptide hormone: IGF‑1 LR3 is a synthetic analogue of the naturally occurring insulin‑like growth factor‑1, modified with an 13‑amino‑acid extension that markedly prolongs its half‑life.

Mechanism of action – IGF‑1 LR3

Protein synthesis & muscle hypertrophy

IGF‑1 LR3 binds to the IGF‑1 receptor on muscle cells, activating the PI3K/Akt/mTOR pathway. This cascade up‑regulates protein synthesis, promotes satellite‑cell proliferation, and inhibits catabolic processes, leading to rapid, lean muscle hypertrophy.

Therapeutic benefits for bodybuilders

Accelerated recovery

By enhancing muscle‑cell repair and reducing exercise‑induced damage, IGF‑1 LR3 shortens recovery time, allowing more frequent training sessions and greater overall volume.

Fat‑loss support

IGF‑1 LR3 improves lipolysis through increased mitochondrial activity, helping preserve lean mass while facilitating fat loss during cutting cycles.

Usage during cutting & bulking cycles – IGF‑1 LR3

Cutting phase

Provides an anabolic shield that protects muscle tissue during caloric deficits, leading to improved vascularity and a harder, more defined physique.

Bulking phase

Enhances nitrogen retention and muscle‑cell growth, enabling faster size gains without excessive water retention.

Recommended dosage

Typical regimen: 30–50 µg administered subcutaneously once daily, preferably on an empty stomach. Cycle lengths of 4–6 weeks are common, followed by a proper post‑cycle therapy (PCT). Always consult a qualified healthcare professional before beginning any peptide protocol.

Common side effects

IGF‑1 LR3 is generally well‑tolerated. Reported mild effects may include temporary hypoglycaemia (managed by dosing around meals), injection‑site irritation, and mild water retention.

💡 For a cutting‑edge anabolic boost, add Spectrum Pharma IGF‑1 LR3 to your performance stack. Pair it with a solid training regimen, balanced nutrition, and proper rest for maximal results.