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The science is staggering: clinical studies show GHK-CU can stimulate collagen production by up to 70% and increase skin elasticity by 35% in just 12 weeks
The second component, TB-500, is a synthetic version of a naturally occurring protein called Thymosin Beta-4
The newer animal study above puts the half-life at under 30 minutes, and that's the better-supported figure
The 70mg format is suited to research environments requiring a multi-peptide formulation for controlled experimental use
Cycle Guidelines Common Cagrilintide + Retatrutide Cycle Approaches Approach Full staggered titration Duration 24-week ramp + open-ended maintenance Off Period Community: 16-24 weeks on, 4-8 weeks off Best For Primary weight-loss strategy with full pathway coverage Approach Reta-first, cag add-on Duration Stabilize reta at 8-12 mg, then add cag for 12+ weeks Off Period Cag can be cycled on its own Best For Users already on retatrutide who want more satiety Approach Short-cycle test Duration 8-12 weeks at sub-maximal doses Off Period 4 weeks off Best For Initial tolerability check Taper retatrutide at the end of a cycle rather than stopping suddenly
