4LD research catalog
USA-made, third-party tested materials for in-vitro research. Prices shown are starting points on the 4LD shop before your 18% DS18 discount.
10 mg · Triple-agonist metabolic research
A synthetic multi-receptor peptide investigated for concurrent GLP-1, GIP, and glucagon pathway activity. Frequently referenced in body-composition, energy-expenditure, and metabolic-signaling studies.
From $85
18% off with DS18
10 mg · Mitochondria-targeted tetrapeptide
Also known as elamipretide. A mitochondria-targeted tetrapeptide studied for cardiolipin interactions, electron-transport efficiency, and oxidative-stress models in cellular energy research.
From $91
18% off with DS18
10 mg · Mitochondrial-encoded peptide
A mitochondrial open-reading-frame peptide studied for AMPK signaling, metabolic homeostasis, exercise-capacity models, and healthy-aging research.
From $85
18% off with DS18
10 mg · Actin-regulation & tissue research
A synthetic fragment of thymosin beta-4 investigated for actin-binding, cell migration, and tissue-remodeling pathways in recovery-biology research.
From $91
18% off with DS18
10 mg · Gastric pentadecapeptide
A synthetic pentadecapeptide derived from a protective gastric protein sequence. Studied in angiogenesis, nitric-oxide signaling, gastrointestinal physiology, and connective-tissue research.
From $49
18% off with DS18
10 mg · α-MSH tripeptide fragment
The C-terminal tripeptide of alpha-MSH, investigated for anti-inflammatory signaling, epithelial-barrier integrity, and immune-modulation research.
From $85
18% off with DS18
1000 mg · Cellular redox coenzyme
Nicotinamide adenine dinucleotide, a coenzyme studied for redox metabolism, sirtuin activity, mitochondrial function, recovery, and longevity-focused research.
From $49
18% off with DS18
Research kit · BPC-157 + TB-500
A paired research formulation of BPC-157 and TB-500, commonly explored together in recovery, mobility, tissue-support, and physical-resilience laboratory models.
From $79
18% off with DS18
Research vial · Dual GLP-1 / GIP agonist
A synthetic dual-agonist peptide studied for GLP-1 and GIP receptor interactions in metabolic, glycemic, and body-composition research.
From $98
18% off with DS18
Research vial · Long-acting amylin analog
An amylin-analogue peptide investigated for satiety signaling, gastric-emptying models, and combination metabolic research.
From $110
18% off with DS18
Research vial · HGH fragment 176–191
A modified fragment of the C-terminus of growth hormone, studied in lipolytic and metabolic laboratory models without the broader GH-receptor cascade.
From $122
18% off with DS18
Research vial · GHRH analog
A growth-hormone-releasing hormone analogue investigated for GH-axis signaling, visceral-adipose models, and metabolic research.
From $110
18% off with DS18
Research vial · GHRH analog + ghrelin mimetic
A paired research formulation combining CJC-1295 (no DAC) with ipamorelin, studied for pulsatile GH-axis signaling in laboratory settings.
From $73
18% off with DS18
Research vial · NNMT inhibitor
A small-molecule NNMT inhibitor investigated for NAD+ salvage, metabolic rate, and adipose-biology research.
From $122
18% off with DS18
Research vial · ERR agonist / exercise-mimetic research
An estrogen-related-receptor agonist studied as an exercise-mimetic compound in mitochondrial and endurance-biology models.
From $98
18% off with DS18
Research vial · NAD+ precursor
Nicotinamide mononucleotide, a NAD+ precursor studied for cellular energetics, DNA-repair cofactors, and longevity-pathway research.
From $49
18% off with DS18
Research vial · Telomerase-related tetrapeptide
A synthetic tetrapeptide analog of epithalamin, investigated for telomerase regulation, circadian biology, and healthy-aging research.
From $122
18% off with DS18
Research vial · Master antioxidant tripeptide
A tripeptide antioxidant studied for redox balance, detoxification pathways, and cellular-defense research.
From $146
18% off with DS18
Research vial · Copper-binding tissue peptide
A copper-binding tripeptide studied for extracellular-matrix remodeling, wound-biology, and skin-architecture research.
From $98
18% off with DS18
Research kit · GHK-Cu + BPC-157 + TB-500
A multi-compound research blend pairing GHK-Cu with BPC-157 and TB-500 for laboratory investigations of tissue remodeling and recovery biology.
From $159
18% off with DS18
Research kit · GHK-Cu + BPC-157 + TB-500 + KPV
A proprietary four-compound research formulation developed for laboratory investigations involving peptide biology, cellular metabolism, and inflammatory signaling.
From $195
18% off with DS18
Research vial · ACTH analog
A synthetic ACTH fragment analog studied for BDNF-related signaling, focus, and cognitive-performance research models.
From $43
18% off with DS18
Research vial · Tuftsin analog
A synthetic tuftsin analog investigated for anxiolytic signaling, immune-modulation, and stress-resilience research.
From $61
18% off with DS18
Research vial · Delta sleep-inducing peptide
A nonapeptide studied for sleep-architecture, circadian, and neuroendocrine research models.
From $61
18% off with DS18
Research vial · Immune-modulating thymic peptide
A thymic peptide studied for T-cell signaling, immune-modulation, and host-defense research.
From $579
18% off with DS18
Lab reagent · 0.9% benzyl alcohol diluent
Sterile water with 0.9% benzyl alcohol, supplied as a laboratory diluent for reconstituting lyophilized research materials per protocol.
From $6
18% off with DS18