https://www.egidapeptides.com/en/aprende/ Technical guides on research peptides: storage, reconstitution, water and concentration. Research use only. en-us Thu, 22 Oct 2026 12:00:00 GMT https://www.egidapeptides.com/en/aprende/que-es-la-hgh-somatropina/https://www.egidapeptides.com/en/aprende/que-es-la-hgh-somatropina/Thu, 22 Oct 2026 12:00:00 GMTRecombinant human growth hormone (somatropin): 191 amino acids, E. coli production, and analytical methods such as HPLC and MS. Research use only. https://www.egidapeptides.com/en/aprende/como-almacenar-peptidos/https://www.egidapeptides.com/en/aprende/como-almacenar-peptidos/Fri, 16 Oct 2026 12:00:00 GMTLyophilized: sealed at 2-8 °C or -20 °C. Reconstituted: refrigerated, never refrozen. Why no shelf life fits all, and what to do if a vial arrives warm. https://www.egidapeptides.com/en/aprende/como-calcular-la-concentracion-de-un-peptido/https://www.egidapeptides.com/en/aprende/como-calcular-la-concentracion-de-un-peptido/Fri, 16 Oct 2026 12:00:00 GMTHow to calculate a research peptide's concentration (mg/mL): the formula, the micrograms per syringe unit and how far the vial goes. Technical RUO guide. https://www.egidapeptides.com/en/aprende/reconstitucion-de-peptidos/https://www.egidapeptides.com/en/aprende/reconstitucion-de-peptidos/Fri, 16 Oct 2026 12:00:00 GMTHow to reconstitute a lyophilized peptide: check the batch COA, add bacteriostatic water without shaking, calculate mg/mL. RUO guide with figure. https://www.egidapeptides.com/en/aprende/agua-bacteriostatica-vs-esteril/https://www.egidapeptides.com/en/aprende/agua-bacteriostatica-vs-esteril/Fri, 16 Oct 2026 12:00:00 GMTWhen to use bacteriostatic water (with 0.9% benzyl alcohol) vs. sterile water to reconstitute a peptide, and how it changes mg/mL. RUO guide. https://www.egidapeptides.com/en/aprende/que-revisar-antes-de-cotizar-retatrutida/https://www.egidapeptides.com/en/aprende/que-revisar-antes-de-cotizar-retatrutida/Mon, 12 Oct 2026 12:00:00 GMTCompare retatrutide per mg with shipping: 10 mg at $1,100 MXN is $128/mg. What 99% HPLC does and does not tell you. Research use only (RUO). https://www.egidapeptides.com/en/aprende/que-revisar-antes-de-cotizar-hgh/https://www.egidapeptides.com/en/aprende/que-revisar-antes-de-cotizar-hgh/Mon, 12 Oct 2026 12:00:00 GMT12 IU is about 4 mg: compare HGH per IU and per mg, and see why HPLC alone falls short for a protein. 12 IU vial at $480 MXN. Research use only. https://www.egidapeptides.com/en/aprende/envio-discreto-de-peptidos-en-mexico/https://www.egidapeptides.com/en/aprende/envio-discreto-de-peptidos-en-mexico/Mon, 12 Oct 2026 12:00:00 GMTPlain packaging and tracking, 24 to 72 business hours anywhere in Mexico. $180 MXN, free over $2,000. Mexico only. What to check on arrival. RUO. https://www.egidapeptides.com/en/aprende/que-revisar-antes-de-cotizar-tirzepatida/https://www.egidapeptides.com/en/aprende/que-revisar-antes-de-cotizar-tirzepatida/Mon, 12 Oct 2026 12:00:00 GMTWork out price per mg with shipping and why 99% HPLC means little without a chromatogram. 5 mg vial $480 or 10 mg $690 MXN. Research use only. https://www.egidapeptides.com/en/aprende/vial-de-vidrio-tipo-i-borosilicato/https://www.egidapeptides.com/en/aprende/vial-de-vidrio-tipo-i-borosilicato/Mon, 05 Oct 2026 12:00:00 GMTHow Type I glass differs from Types II and III under the USP and European Pharmacopoeia, and what to check on a peptide vial when it arrives. https://www.egidapeptides.com/en/aprende/que-es-pureza-hplc/https://www.egidapeptides.com/en/aprende/que-es-pureza-hplc/Mon, 28 Sep 2026 12:00:00 GMTHPLC purity: it measures the main peak area, not how much peptide is in the vial. Salts and water are not in that figure; identity is confirmed by mass. https://www.egidapeptides.com/en/aprende/que-son-los-peptidos-de-investigacion/https://www.egidapeptides.com/en/aprende/que-son-los-peptidos-de-investigacion/Thu, 24 Sep 2026 12:00:00 GMTResearch peptides (RUO) are lab reagents, not medicines. They are verified by HPLC purity, molecular mass and a COA whose batch number matches the vial. https://www.egidapeptides.com/en/aprende/comprar-peptidos-con-coa-verificable-en-mexico/https://www.egidapeptides.com/en/aprende/comprar-peptidos-con-coa-verificable-en-mexico/Mon, 14 Sep 2026 12:00:00 GMTHow to buy a research peptide with a per-batch COA in Mexico: what to ask for before paying, what to check on arrival, and what to archive. RUO guide. https://www.egidapeptides.com/en/aprende/buying-research-peptides-in-mexico/https://www.egidapeptides.com/en/aprende/buying-research-peptides-in-mexico/Mon, 14 Sep 2026 12:00:00 GMTHow visitors and expats buy research peptides in Mexico. https://www.egidapeptides.com/en/aprende/como-verificar-un-proveedor-de-peptidos/https://www.egidapeptides.com/en/aprende/como-verificar-un-proveedor-de-peptidos/Mon, 07 Sep 2026 12:00:00 GMTHow to verify a research-peptide vendor: what a real per-batch COA must contain, how to read an HPLC chromatogram, how to confirm identity, and the red flags. RUO guide. https://www.egidapeptides.com/en/aprende/son-legales-los-peptidos-en-mexico/https://www.egidapeptides.com/en/aprende/son-legales-los-peptidos-en-mexico/Thu, 03 Sep 2026 12:00:00 GMTAre peptides legal in Mexico? How Mexican regulation distinguishes a research reagent (RUO) from a medicine (COFEPRIS), how Égida operates within that framework, and what responsibility the buyer holds. https://www.egidapeptides.com/en/aprende/tirzepatida-vs-semaglutida/https://www.egidapeptides.com/en/aprende/tirzepatida-vs-semaglutida/Wed, 26 Aug 2026 12:00:00 GMTTirzepatide vs semaglutide: which receptors each molecule activates (GIP and GLP-1 vs GLP-1 only), molecular weight and how each batch is verified by HPLC and COA. RUO guide. https://www.egidapeptides.com/en/aprende/bpc-157-tb-500/https://www.egidapeptides.com/en/aprende/bpc-157-tb-500/Mon, 24 Aug 2026 12:00:00 GMTWhat BPC-157 (pentadecapeptide, 15 aa, ~1,419 Da) and TB-500 (synthetic fraction of thymosin beta-4, ~4,921 Da) are: molecular identity, structural differences, and how to verify a batch by HPLC and COA. RUO guide. https://www.egidapeptides.com/en/aprende/ghk-cu/https://www.egidapeptides.com/en/aprende/ghk-cu/Mon, 17 Aug 2026 12:00:00 GMTWhat GHK-Cu (copper peptide) is: the GHK tripeptide, how it binds copper and how a batch is verified by HPLC purity and a per-batch COA. RUO guide. https://www.egidapeptides.com/en/aprende/kisspeptina/https://www.egidapeptides.com/en/aprende/kisspeptina/Mon, 10 Aug 2026 12:00:00 GMTWhat kisspeptin is: a research neuropeptide, its KISS1R (GPR54) receptor, and how a batch is verified by HPLC purity and a per-batch COA. RUO guide. https://www.egidapeptides.com/en/aprende/como-leer-un-coa-peptidos/https://www.egidapeptides.com/en/aprende/como-leer-un-coa-peptidos/Sun, 09 Aug 2026 12:00:00 GMTRUO guide to reading a research-peptide COA: identity by mass (MS), HPLC purity, batch number and red flags. Step by step. https://www.egidapeptides.com/en/aprende/retatrutida-vs-tirzepatida/https://www.egidapeptides.com/en/aprende/retatrutida-vs-tirzepatida/Thu, 06 Aug 2026 12:00:00 GMTRetatrutide vs tirzepatide: which receptors each molecule activates (GIP, GLP-1, glucagon) and how each batch is verified. RUO guide. https://www.egidapeptides.com/en/aprende/que-es-la-tirzepatida/https://www.egidapeptides.com/en/aprende/que-es-la-tirzepatida/Mon, 03 Aug 2026 12:00:00 GMTYes, tirzepatide is a peptide: 39 synthetic amino acids, research use only (RUO). What it is and how a batch is verified by HPLC and COA.