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RETA / IGF-1 LR3 — 20 mg / 1 mg
$127.49
This name denotes a proposed combination of retatrutide and long-arginine-3 IGF-1. It pairs multi-receptor metabolic research with IGF-receptor growth signaling; the component literature does not establish performance of the named blend. For research use only; not for human or veterinary use.
Full description
Educational research context. The cited studies and supplier descriptions do not verify the identity, testing, or effects of this Heritage product.
RETA is shorthand for retatrutide, a peptide that activates GIP, GLP-1, and glucagon receptors. IGF-1 LR3 is an engineered insulin-like growth factor analogue with an extended amino terminus and a substitution at position three. Its reduced interaction with IGF-binding proteins makes it useful for studying growth-factor responses in cell culture. The combination name therefore joins metabolic-hormone signaling with an independent growth-factor pathway rather than identifying a single new peptide.
Retatrutide trials report body-weight reduction in defined clinical populations. GroPep describes LR3 IGF-I as a reagent developed to support mammalian-cell survival and proliferation. Juxtaposing these functions suggests a research concept involving weight regulation alongside anabolic or cell-growth signaling; that is an interpretation of the component pairing, not a verified statement from an identified blend listing. No matching Umbrella combination was found in the supplied catalog capture. Neither the retatrutide trial nor the LR3 reagent documentation evaluates this two-component product, its interaction, or muscle preservation during weight loss. The available description is therefore component-based rather than evidence of a clinically validated combination.
Sources
- Retatrutide phase 2 obesity trialLiterature record (study type requires review)
- GroPep — Human LR3 IGF-I specificationsExternal reference (requires review)
- Umbrella Labs — peptide-blend catalogSupplier listing (not independent scientific evidence)
For research use only. Not for human or veterinary use; not medical advice.