Peptides for Bodybuilding: Complete Guide (Dosages, Cycles & Benefits)
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What Are Peptides?
Peptides are short chains of amino acids that act as messengers in the body, influencing hormone production, healing, metabolism, and growth. In bodybuilding, peptides are popular for their ability to stimulate growth hormone, enhance recovery, support fat loss, and promote lean muscle gains.
Unlike anabolic steroids, peptides work with your body’s natural pathways to produce results with fewer side effects.
How Do Peptides Help With Bodybuilding?
Peptides are used by athletes and physique enthusiasts to:
Increase Lean Muscle Mass
Enhance Recovery & Reduce Injury Downtime
Accelerate Fat Loss
Improve Sleep, Mood & Skin
Support Joint & Tendon Health
Different peptides target different processes, from boosting growth hormone release to repairing tissues at a cellular level.
Best Peptides for Muscle Growth, Fat Loss & Recovery
1. IGF-1 LR3 by Nordic Labs
What it does: Stimulates muscle cell growth and division, improving hypertrophy and recovery.
Dosage: 20–100 mcg per day
Cycle Length: 4–6 weeks
When to Take: Post-workout, subcutaneously
Stack With: CJC-1295 + Ipamorelin for GH synergy
Shop IGF-1 LR3 here
“IGF-1 is one of the most powerful growth mediators in the body.”
– Clemmons, D. R. (2009), Trends in Endocrinology & Metabolism
2. CJC-1295 + Ipamorelin Stack by Nordic Labs
What it does: Boosts your own natural GH pulses for lean muscle, fat loss, and sleep support.
Dosage:
CJC-1295 (with DAC): 2 mg twice weekly
Ipamorelin: 100–300 mcg 1–2x daily
Cycle Length: 8–12 weeks
When to Take: Morning and/or pre-bed, subcutaneously
Shop the Stack here
“Stacking GHRH + GHRP mimics natural growth hormone secretion more effectively.”
– Walker, R. F. (2006), Endocrine
3. BPC-157 by Nordic Labs
What it does: Accelerates healing of muscles, tendons, joints and the digestive system.
Dosage: 250–500 mcg daily
Cycle Length: 4–6 weeks
When to Take: Subcutaneously near injury site or orally
Shop BPC-157 here
“Shown to speed up soft tissue healing and reduce inflammation.”
– Sikiric, P. et al. (2011), Current Pharmaceutical Design
4. TB-500 by Nordic Labs
What it does: Enhances blood flow and repair of muscle, fascia, and ligaments.
Dosage:
Loading: 2–2.5 mg twice weekly (4–6 weeks)
Maintenance: 2–4 mg monthly
When to Take: Subcutaneous or intramuscular
Shop TB-500 here
“Thymosin beta-4 helps regenerate damaged tissues and improve flexibility.”
– Goldstein, A. L. (1975), Science
5. HGH Fragment 176-191 by Nordic Labs
What it does: A GH peptide fragment that specifically targets fat loss without insulin spikes.
Dosage: 250–500 mcg 1–2x daily
Cycle Length: 6–12 weeks
When to Take: On an empty stomach, subcutaneously
Shop HGH Frag here
“Targets adipose tissue without affecting glucose metabolism.”
– Ng, F. M. et al. (2000), Journal of Endocrinology
6. GHRP-6 / GHRP-2 by Nordic Labs
What they do: Stimulate strong GH pulses, improve recovery, and (in the case of GHRP-6) boost appetite.
Dosage: 100–300 mcg up to 3x daily
Cycle Length: 6–12 weeks
When to Take: Subcutaneous, 30–60 mins before meals
Shop GHRP-6 / GHRP-2 here
“Effective in stimulating pituitary GH release.”
– Smith, R. G. (1997), Endocrine Reviews
How to Use Peptides Effectively
Injection: Use insulin syringes (29–31g), inject subcutaneously (belly fat) or near injury site if healing.
Timing: Most peptides are best taken on an empty stomach, ideally morning or pre-bed.
Storage: Keep peptides refrigerated before and after reconstitution.
Reconstitution: Use bacteriostatic water for best sterility and shelf life.
Are Peptides Legal & Safe in the UK?
Peptides sold at Peptides-Shop.co.uk are for research purposes only. While many peptides have promising clinical data, they are not approved for medical use unless prescribed. That said, peptides are widely used by athletes, bodybuilders, and recovery clinics for their performance-enhancing and regenerative effects.
Always consult a healthcare professional before starting any peptide protocol.
References
Clemmons, D. R. (2009). Trends in Endocrinology & Metabolism
Walker, R. F. (2006). Endocrine
Sikiric, P. et al. (2011). Current Pharmaceutical Design
Goldstein, A. L. (1975). Science
Ng, F. M. et al. (2000). Journal of Endocrinology
Smith, R. G. (1997). Endocrine Reviews
Want to maximise your muscle growth, fat loss, and recovery?
Explore the full peptides collection from trusted brand Nordic Labs, exclusively available at The-Peptides-Outlet.co.uk.