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Don't say it "reverses aging" or guarantee results
Efficacy of oral compared with intramuscular vitamin B-12 supplementation after Roux-en-Y gastric bypass: a randomized controlled trial
Legal Status Buy BPC-157 TB-500 UK Not controlled substances in the UK Legal to purchase for laboratory research purposes Astra Labs fully research-use-only compliant Not approved for human consumption Not licensed medicines no MHRA authorisation For the full legal breakdown on UK peptide law in 2026, see our dedicated guide: Are Peptides Legal in the UK
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![Mechanism of action of GLP-1 [25]](https://www.researchgate.net/publication/256289222/figure/fig1/AS:614177232142337@1523442671231/Mechanism-of-action-of-GLP-1-25.png)
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