IGF-1 DES vs Syn-Coll
Side-by-side comparison of key properties, dosing, and research.
- Summary
- IGF-1 DES (also written DES(1-3)IGF-1) is a truncated form of IGF-1 missing the first three amino acids of the N-terminus. This structural change dramatically reduces its affinity for IGF binding proteins (IGFBPs), meaning a far greater fraction remains in its free, active form. IGF-1 DES is estimated to be 10x more potent than standard IGF-1 LR3 at the receptor level locally, making it particularly effective for site-specific muscle growth when injected intramuscularly.
- Syn-Coll is a palmitoylated tripeptide (Palmitoyl Tripeptide-5) that mimics thrombospondin-1 to activate TGF-beta, the primary growth factor driving collagen synthesis in the dermis. It is one of the most mechanistically direct collagen-stimulating peptides in cosmetic formulations.
- Half-Life
- ~20–30 minutes (very short — designed for local action)
- Extended (lipid depot in stratum corneum)
- Admin Route
- IM, SubQ
- Topical
- Research
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- Typical Dose
- 20–50 mcg per injection site
- 0.005-0.05% in formulation
- Frequency
- Once daily, post-workout
- Once or twice daily
- Key Benefits
- Estimated 10x greater potency at the receptor vs IGF-1 LR3 locally
- Minimal IGFBP binding — nearly all active upon injection
- Highly localized muscle growth effect when injected intramuscularly
- Activates satellite cells for muscle fiber hyperplasia potential
- Synergistic with GH peptides in post-workout anabolic protocols
- Shorter half-life reduces systemic exposure vs IGF-1 LR3
- Useful for site-specific muscle development
- Directly activates TGF-beta for potent collagen synthesis stimulation
- Increases dermal thickness and firmness
- Reduces depth of wrinkles and fine lines
- Improves skin elasticity
- Clinically validated in collagen induction studies
- Complementary to retinoids or vitamin C
- Side Effects
- Hypoglycemia (most significant risk — especially post-workout)
- Localized muscle swelling at injection site
- Potential for jaw/organ growth (acromegalic effects) with prolonged high-dose use
- Carpal tunnel syndrome with high doses
- +1 more
- Generally well-tolerated
- Rare mild irritation at high concentrations
- Possible sensitivity in individuals with inflammatory skin conditions
- Stacks With
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