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購入ガイド · 2026

10種類のペプチド 2026年に実際に研究されています。

カタログ出荷量の大部分を占める化合物の作用機序、半減期、用量範囲、配列、ラボ検証純度の並列比較 — マーケティングリストではなく、文献引用で裏付けられたものです。

10ランク付けされたトップ化合物
≥ 99%HPLC純度下限
3ロットあたりの独立したアッセイ
11利用可能な言語
クイック回答

一文で: 2026年の最も引用された10種類の研究用ペプチドはBPC-157(組織修復)、IGF-1 LR3(同化シグナリング)、Retatrutide(トリプルアゴニスト代謝)、Ipamorelin(GH脈動性)、MT-2(メラノコルチン)、GHK-Cu(皮膚/傷)、TB-500(アクチン細胞骨格)、Tesamorelin(FDA承認GHRH)、MOTS-c(ミトコンドリアAMPK)、Semax(BDNF/認知);10種類すべてはIGF1 Shopにロット別HPLC ≥99%純度とESI質量分析確認付きで在庫しています。

  • 総合最多引用: BPC-157は組織修復研究のPubMedエントリーをリードしています。
  • 最高の体重減少データ: Retatrutide — 48週間で平均プラセボ調整体重減少24.2%(フェーズ2、NEJM 2023)。
  • 最長半減期: Retatrutide ~6日 · MT-2 ~30時間 · IGF-1 LR3 ~20時間血清。
  • 最もクリーンなGH分泌促進剤: Ipamorelin — 選択的GHS-R1a、測定可能なプロラクチンまたはコルチゾールの上昇なし。
トップ10ランキング

並列比較。

2026年のPubMed引用数、臨床試験登録数、当社顧客注文量の合計でランク付けされた化合物。以下にソート可能な仕様。

# 化合物 主要な研究用途 作用機序 半減期 配列 価格(1バイアル)
1 BPC-157 5 mg / vial Soft-tissue repair · gut-lining · vascular healing Upregulates VEGFR-2 and nitric oxide synthase, accelerating angiogenesis in injured tissue. ~4 h SC 15 aa $21
2 IGF-1 LR3 1 mg / vial Anabolic signalling · hypertrophy · MPS assays Binds IGF-1R with reduced IGFBP affinity, prolonging activation of PI3K/Akt and MAPK pathways. ~20 h serum 83 aa $60
3 3-GLP (Retatrutide) 10 mg / vial Metabolic disease · GLP-1 axis · weight regulation Triple agonism of GLP-1R/GIPR/GCGR drives appetite suppression, insulin sensitivity, and energy expenditure simultaneously. ~6 days (weekly) 39 aa $67
4 Ipamorelin 5 mg / vial GH-axis · pulsatile secretion · hypothalamic signalling Selective GHS-R1a agonism without ACTH/cortisol crosstalk, unlike older secretagogues such as GHRP-6. ~2 h serum 5 aa $21
5 Melanotan II (MT-2) 10 mg / vial Melanocortin receptors · pigmentation · MC4R behaviour Pan-melanocortin agonism with the strongest documented affinity at MC1R driving eumelanin synthesis. ~30 h SC 7 aa (cyclic) $25
6 GHK-Cu (Copper Peptide) 50 mg 50 mg / vial Skin-aging · wound repair · hair-follicle activation Modulates 4192 of 23987 measured human genes (Pickart microarray, 2008) toward a wound-healing transcriptomic profile. Topical / local 3 aa + Cu²⁺ $25
7 TB-500 (Thymosin β-4 Fragment) 5 mg / vial Tissue repair · actin cytoskeleton · equine veterinary Actin-monomer sequestration via the LKKTET motif, mobilising stem-cell migration to injury sites. ~2.5 h IV 17 aa $32
8 Tesamorelin 5 mg / vial GHRH axis · visceral fat · IGF-1 stimulation Selective GHRH-R agonism producing pulsatile somatotropin release without GHRP-style ghrelin-axis crosstalk. ~38 min serum 44 aa $35
9 MOTS-c 10 mg / vial Mitochondrial biology · metabolic aging · AMPK Activates AMPK and folate-cycle genes, mimicking the metabolic effects of caloric restriction. ~30 min serum 16 aa $32
10 Semax 5 mg / vial BDNF research · neuroprotection · attention/cognition Increases hippocampal BDNF expression and modulates the HPA axis without ACTH steroidogenic activity. ~30 min serum 7 aa $21
詳細解説

各ペプチドが実際に何であるか。

目の前の作業に役立つ、引用しやすいアトミックな情報 — まず定義、次に作用機序、半減期、典型的な研究用量、そして一字一句引用可能なサマリー。

BPC-157

5 mg / vial · Healing & Recovery
#1

BPC-157 is a 15-amino-acid pentadecapeptide derived from human gastric juice with documented angiogenic and tendon-repair activity in rodent models.

作用機序
Upregulates VEGFR-2 and nitric oxide synthase, accelerating angiogenesis in injured tissue.
半減期
~4 h SC
研究用量
250–500 µg, 1–2× daily
配列
15 aa
BPC-157, originally isolated from gastric juice (Sikiric et al., 1991), shows reproducible tendon-repair acceleration in rat Achilles models at 10 µg/kg.

IGF-1 LR3

1 mg / vial · Growth & Anabolic
#2

IGF-1 LR3 is a 83-residue insulin-like growth factor analogue with an N-terminal Arg substitution that extends serum half-life roughly 12-fold versus native IGF-1.

作用機序
Binds IGF-1R with reduced IGFBP affinity, prolonging activation of PI3K/Akt and MAPK pathways.
半減期
~20 h serum
研究用量
40–80 µg/day
配列
83 aa
IGF-1 LR3 binds IGFBPs ~5× less avidly than wild-type IGF-1, leaving a higher free fraction and a measured half-life near 20 hours in human serum.

3-GLP (Retatrutide)

10 mg / vial · 代謝と体重
#3

Retatrutide (LY3437943) is a triple-agonist peptide co-activating GLP-1, GIP, and glucagon receptors, the first triagonist to advance into Phase 3 obesity trials.

作用機序
Triple agonism of GLP-1R/GIPR/GCGR drives appetite suppression, insulin sensitivity, and energy expenditure simultaneously.
半減期
~6 days (weekly)
研究用量
0.25–12 mg weekly
配列
39 aa
Retatrutide produced 24.2% mean placebo-adjusted weight loss at 48 weeks in the Phase 2 trial (Jastreboff et al., NEJM 2023), the largest observed for any incretin to date.

Ipamorelin

5 mg / vial · Growth & Anabolic
#4

Ipamorelin is a selective ghrelin/GHS-R1a agonist pentapeptide that stimulates pulsatile growth-hormone release without elevating cortisol or prolactin.

作用機序
Selective GHS-R1a agonism without ACTH/cortisol crosstalk, unlike older secretagogues such as GHRP-6.
半減期
~2 h serum
研究用量
200–300 µg, 2–3× daily
配列
5 aa
Ipamorelin demonstrates the cleanest selectivity profile among ghrelin mimetics, with no measurable effect on prolactin or cortisol at GH-active doses.

Melanotan II (MT-2)

10 mg / vial · Skin & Cosmetic
#5

Melanotan II (MT-2) is a synthetic alpha-MSH analogue activating MC1R/MC3R/MC4R/MC5R; the MC1R activation drives the melanogenesis pigmentation effect studied in dermatology models.

作用機序
Pan-melanocortin agonism with the strongest documented affinity at MC1R driving eumelanin synthesis.
半減期
~30 h SC
研究用量
0.25–1 mg subcutaneous
配列
7 aa (cyclic)
MT-2 retains nanomolar affinity at MC1R, MC3R, MC4R and MC5R, producing pigmentation, appetite suppression and pro-erectile responses in concert.

GHK-Cu (Copper Peptide) 50 mg

50 mg / vial · Healing & Recovery
#6

GHK-Cu (copper tripeptide-1) is a glycyl-histidyl-lysine sequence chelated to Cu²⁺, with documented gene-modulating activity across 4 192 human genes (Pickart 2008).

作用機序
Modulates 4192 of 23987 measured human genes (Pickart microarray, 2008) toward a wound-healing transcriptomic profile.
半減期
Topical / local
研究用量
Topical 0.05–2% formulations
配列
3 aa + Cu²⁺
GHK-Cu shifted the expression of 4 192 human genes by ≥50% in a 2008 microarray study by Pickart, the broadest known transcriptomic effect of a tripeptide.

TB-500 (Thymosin β-4 Fragment)

5 mg / vial · Healing & Recovery
#7

TB-500 is a synthetic 17-amino-acid fragment (residues 17–23 of native Thymosin Beta-4), representing the actin-binding region responsible for cell migration during repair.

作用機序
Actin-monomer sequestration via the LKKTET motif, mobilising stem-cell migration to injury sites.
半減期
~2.5 h IV
研究用量
2–5 mg twice weekly
配列
17 aa
TB-500 contains the LKKTET actin-binding motif (residues 17–23 of Thymosin Beta-4) that drives stem-cell migration to injury sites in vivo.

Tesamorelin

5 mg / vial · Growth & Anabolic
#8

Tesamorelin is a 44-amino-acid trans-3-hexenoyl-modified GHRH analogue, the only GHRH analogue with FDA approval (HIV-associated lipodystrophy, 2010).

作用機序
Selective GHRH-R agonism producing pulsatile somatotropin release without GHRP-style ghrelin-axis crosstalk.
半減期
~38 min serum
研究用量
1–2 mg subcutaneous daily
配列
44 aa
Tesamorelin reduces visceral adipose tissue by 18% at 26 weeks in HIV-lipodystrophy patients (Falutz NEJM 2007), the only GHRH analogue cleared by the FDA.

MOTS-c

10 mg / vial · Growth & Anabolic
#9

MOTS-c is a 16-amino-acid mitochondrial-derived peptide encoded in the 12S rRNA region, regulating insulin sensitivity via AMPK activation.

作用機序
Activates AMPK and folate-cycle genes, mimicking the metabolic effects of caloric restriction.
半減期
~30 min serum
研究用量
5–10 mg subcutaneous
配列
16 aa
MOTS-c is encoded within the mitochondrial 12S rRNA gene (Lee et al., Cell Metabolism 2015) and signals from mitochondria to the nucleus to regulate insulin sensitivity.

Semax

5 mg / vial · 認知機能と睡眠
#10

Semax is a 7-amino-acid synthetic ACTH(4-7) analogue developed at the Russian Academy of Sciences, used in BDNF-modulation and stroke-recovery research.

作用機序
Increases hippocampal BDNF expression and modulates the HPA axis without ACTH steroidogenic activity.
半減期
~30 min serum
研究用量
300–600 µg intranasal daily
配列
7 aa
Semax is included on the Russian Vital and Essential Drugs list and is studied for stroke recovery and ADHD; it elevates hippocampal BDNF by ~1.5× in murine models.
よくある質問

よくある購入者の質問。

Which research peptide is most studied in 2026?
BPC-157 leads PubMed citations for tissue-repair research; Retatrutide leads clinical-trial enrolment in metabolic disease; IGF-1 LR3 leads anabolic-signalling research. All three are HPLC-verified at ≥99% purity in the IGF1 Shop catalog with per-lot Certificate of Analysis included.
What is the difference between IGF-1 and IGF-1 LR3?
IGF-1 LR3 has an Arginine substitution at position 3 of native IGF-1 plus a 13-residue N-terminal extension (Arg-residue-extension), reducing affinity for IGFBPs by ~5× and extending serum half-life from ~10 minutes (native) to ~20 hours (LR3). Both bind the same IGF-1 receptor.
Is Retatrutide better than Tirzepatide?
In the Phase 2 trial (Jastreboff et al., NEJM 2023) Retatrutide produced 24.2% mean weight loss at 48 weeks at the 12 mg dose, exceeding the 22.5% reported for Tirzepatide at 72 weeks (SURMOUNT-1, Jastreboff NEJM 2022). Retatrutide is a triple agonist (GLP-1/GIP/Glucagon) versus Tirzepatide's dual agonism (GLP-1/GIP).
How is purity verified on these peptides?
Every IGF1 Shop lot is analysed by reverse-phase HPLC at 220 nm against a reference standard (≥99% area-percent purity floor), confirmed by ESI mass spectrometry to within ±1 Da of theoretical molecular weight, and screened for endotoxin by the kinetic chromogenic LAL assay (<0.5 EU/mg). The chromatogram, MS trace, and LAL result ship with each order on the per-lot Certificate of Analysis.
What payment methods does IGF1 Shop accept?
Bitcoin, Monero, Ethereum, USDT (TRC-20/ERC-20/SOL), Solana, Litecoin and several other cryptocurrencies. Bank wire and card available on institutional orders. Free shipping on orders above US$59 worldwide; 48-hour US delivery, 5-business-day international.
Are these peptides legal?
IGF1 Shop sells research-grade peptides for in-vitro laboratory work only, not for human or veterinary use. Legality of importation, possession and use varies by jurisdiction; the buyer is responsible for compliance with local law. Several listed compounds (Retatrutide, Tesamorelin) are investigational drugs in clinical trials and are not approved for human use outside trial protocols.
How quickly does IGF1 Shop ship?
Same-business-day dispatch when crypto payment confirms before 14:00 CET. UPS Next Day Air to the US (48-hour transit), DHL Express Worldwide internationally (5 business days). Discreet insulated packaging, no compound name on the outer label, full tracking included.