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Signal Library

The Signal Library

A researcher’s reference for the compounds we carry — mechanism of action, published findings, and handling notes, sourced directly from peer-reviewed literature.

Research use only. Everything in the Signal Library describes laboratory and animal-model research on these compounds. Nothing here is medical advice, a dosing recommendation, or a claim about human health outcomes. Stack Science products are sold for in-vitro / laboratory research use only — not for human or veterinary consumption.






BPC-157

Healing & Recovery

A gastric-derived pentadecapeptide studied for its role in tissue-repair signaling across tendon, muscle, and GI models.

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BPC-157 research

TB-500

Healing & Recovery

A synthetic fragment of Thymosin Beta-4, researched for its actin-binding role in cell migration and wound-repair models.

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TB-500 research

Thymosin Alpha-1

Healing & Recovery

A thymic peptide studied for its modulation of T-cell function and innate immune signaling.

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Thymosin Alpha-1 research

DSIP

Healing & Recovery

Delta sleep-inducing peptide, studied for its association with slow-wave sleep architecture and stress-axis modulation.

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DSIP research

CJC-1295 / Ipamorelin

Longevity & Cognitive

A GHRH analog paired with a selective ghrelin-receptor agonist, studied together for pulsatile growth-hormone signaling.

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CJC-1295 / Ipamorelin research

Semax

Longevity & Cognitive

A heptapeptide derived from ACTH(4-10), researched in the neuropharmacology literature for BDNF and cognitive-signaling pathways.

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Semax research

Selank

Longevity & Cognitive

A synthetic analog of tuftsin, studied for anxiolytic-like effects and immune-peptide activity in animal models.

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Selank research

MK-677

Longevity & Cognitive

An orally active ghrelin-receptor agonist studied for sustained growth-hormone and IGF-1 elevation.

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MK-677 research

NAD+

Longevity & Cognitive

A central coenzyme in cellular energy metabolism, studied for its role in sirtuin activation and age-related NAD+ decline.

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NAD+ research

Methylene Blue

Longevity & Cognitive

A redox-active compound studied in mitochondrial electron-transport and neuroprotection research.

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Methylene Blue research

Epitalon

Bioregulators

A synthetic tetrapeptide studied by gerontology researchers for telomerase activity and pineal gland signaling.

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Epitalon research

GHK-Cu

Aesthetics & Skin

A copper-binding tripeptide extensively studied for extracellular matrix remodeling and collagen-signaling pathways.

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GHK-Cu research

Tesamorelin

Weight & Metabolic

A stabilized GHRH analog — among the most clinically studied compounds in this category — researched for visceral fat and GH-axis signaling.

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Tesamorelin research

5-Amino-1MQ

Weight & Metabolic

A small-molecule NNMT inhibitor studied for its role in cellular NAD+/SAM metabolism and adipocyte signaling.

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5-Amino-1MQ research

AOD-9604

Weight & Metabolic

A modified fragment of human growth hormone (hGH 176-191), studied for lipolytic signaling independent of GH-receptor activation.

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AOD-9604 research

LL-37

Healing & Recovery

The only human cathelicidin antimicrobial peptide, studied for broad-spectrum antimicrobial and wound-healing signaling.

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LL-37 research

ARA-290

Healing & Recovery

An erythropoietin-derived peptide studied for tissue-protective signaling independent of red-blood-cell production.

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ARA-290 research

KPV

Healing & Recovery

A tripeptide fragment of alpha-MSH, studied for anti-inflammatory signaling independent of pigmentation effects.

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KPV research

IGF-LR3

Healing & Recovery

A modified insulin-like growth factor 1 analog engineered for extended activity in tissue-growth research.

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IGF-LR3 research

Ipamorelin

Longevity & Cognitive

A selective growth-hormone secretagogue studied for its clean pulsatile GH-release profile.

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Ipamorelin research

Cerebrolysin

Longevity & Cognitive

A peptide-fraction preparation derived from porcine brain proteins, studied for neurotrophic and neuroprotective signaling.

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Cerebrolysin research

Dihexa

Longevity & Cognitive

An angiotensin IV-derived compound studied for neurogenesis and synaptic-signaling research.

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Dihexa research

Glutathione

Longevity & Cognitive

The body’s master antioxidant — a tripeptide studied for its role in oxidative-stress defense and cellular detoxification.

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Glutathione research

Kisspeptin

Longevity & Cognitive

A naturally occurring hormone peptide that sits at the top of the reproductive hormonal cascade.

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Kisspeptin research

SS-31

Longevity & Cognitive

A mitochondria-targeted peptide studied for cardiolipin stabilization and mitochondrial function.

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SS-31 research

Klotho

Longevity & Cognitive

An anti-aging protein studied for its role in regulating aging-related signaling pathways.

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Klotho research

FOXO4-DRI

Longevity & Cognitive

A designed peptide studied for its ability to selectively induce apoptosis in senescent cells.

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FOXO4-DRI research

Vanguard

Longevity & Cognitive

A Stack Science research formulation for laboratory use.

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Vanguard research

Cartalax

Bioregulators

A synthetic peptide bioregulator studied for cartilage and connective-tissue signaling.

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Cartalax research

Pinealon

Bioregulators

A synthetic tripeptide bioregulator studied for pineal gland and central-nervous-system signaling.

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Pinealon research

Bronchogen

Bioregulators

A synthetic peptide bioregulator studied for bronchial and respiratory-tissue signaling.

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Bronchogen research

Cardiogen

Bioregulators

A synthetic peptide bioregulator studied for cardiovascular-tissue signaling.

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Cardiogen research

Crystagen

Bioregulators

A synthetic peptide bioregulator studied for immune-tissue signaling.

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Crystagen research

Pancragen

Bioregulators

A synthetic peptide bioregulator studied for pancreatic-tissue signaling.

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Pancragen research

Prostamax

Bioregulators

A synthetic peptide bioregulator studied for prostate-tissue signaling.

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Prostamax research

Melanotan I/II

Aesthetics & Skin

Synthetic analogs of alpha-MSH, studied for melanocortin-receptor signaling and pigmentation research.

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Melanotan research

HCG

Weight & Metabolic

Human Chorionic Gonadotropin, a naturally occurring reproductive hormone studied for gonadal signaling.

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HCG research

Mazdutide

Weight & Metabolic

A dual GLP-1/glucagon receptor agonist studied in the same drug class as leading metabolic-health compounds.

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Mazdutide research

SLU-PP-332

Weight & Metabolic

A synthetic ERR agonist studied as an “exercise mimetic” for mitochondrial and metabolic gene expression.

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SLU-PP-332 research

MOTS-c

Weight & Metabolic

A mitochondrial-derived peptide studied for metabolic regulation and exercise-adaptation signaling.

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MOTS-c research

FLGR-242

Weight & Metabolic

A newer research compound studied in the metabolic-health space.

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FLGR-242 research

Blends & Combinations

Stack Science also carries pre-combined blends. Where a blend’s ingredients are explicitly named, we link out to each compound’s Signal Library entry. Where a formulation is proprietary and undisclosed, we say so rather than guessing.

Known Combinations

Wolverine Blend

Contains

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Limitless Intra-Nasal

Contains

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Limitless G.S.D. Intra-Nasal

Contains

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Limitless 2.0 Intra-Nasal

Contains

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SlimAssist

Contains
FLGR-242+ B-Complex

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SLU-PP / BAM15

Contains
SLU-PP-332+ BAM15

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Tesamorelin / Ipamorelin

Contains

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Plat 3 + Cagri

Contains
Platinum 3 (proprietary) + Cagrilintide

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