Fit Science – Peptides, Sarms & Steroids Nutrition Fitness information

Q: What is the most effective peptide for muscle and tendon recovery? A: BPC-157 and TB-500 are the most heavily researched peptides for accelerating tissue healing, angiogenesis, and joint recovery in athletes. While BPC-157 is highly systemic, TB-500 excels at full-body muscle repair. Read our complete BPC-157 benefits and dosage guide for clinical protocols.

Q: Which SARM is best for lean muscle growth (bulking)? A: RAD-140 (Testolone) and LGD-4033 (Ligandrol) are widely considered the most potent SARMs for lean muscle hypertrophy. RAD-140 offers dry, strength-focused gains, while LGD-4033 typically yields higher overall mass accumulation. View our deep-dive RAD-140 Testolone profile to compare half-lives and cycles.

Q: What is the difference between Semaglutide and Tirzepatide for bodybuilders? A: Both are GLP-1 receptor agonists used for extreme fat loss. However, Tirzepatide is a dual-agonist (targeting both GLP-1 and GIP receptors), which clinical data shows yields greater total fat reduction and better appetite suppression compared to Semaglutide. Explore the science behind GLP-1 agonists for bodybuilding.

Q: How do different Trenbolone esters affect dosage and half-life? A: Trenbolone Acetate has a short half-life of 3 days requiring frequent injections, while Trenbolone Enanthate has a half-life of roughly 10 days, allowing for less frequent dosing but a longer clearance time from the body. Review our official Trenbolone dosage and side effects guide for detailed ester breakdowns.

Q: Do SARMs require a Post Cycle Therapy (PCT)? A: Yes. Despite early misconceptions, most selective androgen receptor modulators are suppressive to natural endogenous testosterone production. A proper PCT using SERMs is usually required to restore HPTA function. Learn more in our comprehensive SARMs guide