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FlexPep Journal
Guides, peptide science, storage best practices, and industry news from our research team. Written for in-vitro research use only.
ResearchSS-31 (elamipretide) is a mitochondria-targeted peptide that became the base molecule behind FORZINITY, the first FDA-approved mitochondrial peptide therapy, in October 2025. This update covers what that approval does and doesn't change for SS-31 research materials sold in the UK.
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ResearchBPC-157 ("Body Protection Compound") is a synthetic peptide fragment derived from a protein found in human gastric juice, most extensively studied in animal models for gut-lining protection and tissue-repair signalling. It is sold for laboratory research use only.
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ResearchIpamorelin is a selective growth-hormone secretagogue, studied for its ability to stimulate growth hormone release via the ghrelin (GHS-R) receptor pathway with comparatively low activity at other hormone receptors. It is sold for laboratory research use only.
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ResearchTesamorelin is a synthetic analogue of growth-hormone-releasing hormone (GHRH), studied for its effects on the GHRH receptor pathway in research models. It is sold for laboratory research use only.
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ResearchGlutathione is a naturally occurring tripeptide (glutamate-cysteine-glycine) found in nearly every cell, widely studied for its central role in the body's antioxidant defence and detoxification systems. It is sold for laboratory research use only.
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ResearchMOTS-C is a naturally occurring "mitochondrial-derived peptide" — encoded by mitochondrial DNA rather than nuclear DNA — studied for its proposed role in cellular energy metabolism. It is sold for laboratory research use only.
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ResearchGHK-Cu is a naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine bound to copper) studied extensively in dermatology and wound-repair research for its effects on collagen and gene expression in skin cell models. It is sold for laboratory research use only.
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ResearchTB-500 is the common name for a synthetic fragment of Thymosin Beta-4, a naturally occurring protein studied for its role in cell migration and tissue-repair signalling in laboratory models. It is sold in the UK strictly for laboratory research use — not for human or veterinary administration.
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Research"Is it legal to buy peptides in the UK" gets asked constantly and answered vaguely everywhere else. Here's what the actual presentation-and-function test says, plus the enforcement action from the past year worth knowing about.
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