Plain-language summaries of the peptide and compound literature: mechanisms, trial data, comparisons and lab practice, with sources cited.
203 articles · 21 compound hubs · 9 subject areas
Longevity & Cognitive
Mitochondrial biogenesis is the process of forming new mitochondria — regulated by PGC-1α and upstream activators including AMPK, SIRT1, and NAD+. Research guide to the biogenesis pathway, compounds that activate it, and experimental models for measuring mitochondrial function.
5 min read
Peptides & Recovery
GLP-1 receptor agonists improve insulin resistance through multiple mechanisms beyond GLP-1R signaling — including hepatic gluconeogenesis suppression, adipose tissue remodeling, and GIP receptor co-stimulation. Advanced research guide to GLP-1 insulin sensitization pathways and experimental models.
5 min read
Growth Hormone
Sarcopenia is the progressive loss of skeletal muscle mass and function with aging. Advanced research guide covering the molecular mechanisms driving sarcopenia (IGF-1/mTOR decline, myostatin upregulation, mitochondrial dysfunction, satellite cell exhaustion) and compounds studied in preclinical models.
5 min read
Peptides & Recovery
BPC-157 upregulates VEGF and activates the Egr-1 transcription factor to drive new blood vessel formation. Advanced research guide covering the BPC-157 angiogenesis pathway, eNOS activation, NO-dependent vessel formation, and published in vivo evidence for wound healing and tissue repair models.
5 min read
PCT & Support
The hypothalamic-pituitary-testicular axis (HPTA) is the feedback system that regulates testosterone production. Beginner's guide to GnRH, LH, FSH, Leydig cell function, and how exogenous androgens suppress the axis — foundational knowledge for androgen and SARM research.
5 min read
Growth Hormone
The growth hormone axis is a multilevel feedback system involving hypothalamic GHRH and somatostatin, pituitary GH secretion, and liver-derived IGF-1. Research guide to the GH/IGF-1 axis architecture, feedback mechanisms, and how GH secretagogue peptides fit into this system.
5 min read
PCT & Support
Aromatase is the enzyme responsible for estrogen biosynthesis from androgen precursors. Research guide covering CYP19A1 mechanism, tissue expression, role in androgen metabolism, aromatase inhibitor pharmacology, and why aromatization is a key variable in anabolic research models.
5 min read
Anabolic Research
The androgen receptor (AR) is a nuclear transcription factor that mediates the biological effects of testosterone and synthetic androgens. Research guide covering AR structure, coactivator recruitment, androgen response elements, tissue-specific expression, and the basis for anabolic:androgenic ratios.
5 min read
Guides & Lab Practice
Comprehensive glossary of research compound terminology including pharmacokinetic terms (half-life, bioavailability, EC50), analytical terms (HPLC, mass spectrometry, purity), and biological terms (receptor, agonist, antagonist, mechanism of action) for researchers new to the field.
5 min read
Guides & Lab Practice
Understanding how research peptides exert their biological effects requires knowledge of receptor pharmacology, G-protein signaling, second messengers, and gene regulation. Beginner-to-intermediate guide to peptide mechanisms of action.
5 min read
Anabolic Research
Anabolic-androgenic steroids (AAS) are synthetic derivatives of testosterone that bind the androgen receptor. Beginner's research overview covering steroid classification, androgen receptor mechanism, anabolic vs. androgenic effects, esterification, and why researchers study these compounds.
4 min read
Guides & Lab Practice
Research peptides are short chains of amino acids studied for their potential physiological effects on biological systems. Beginner's guide covering what peptides are, how they work, the difference between peptides and proteins, common research applications, and how peptides differ from anabolic steroids.
5 min read
Anabolic Research
Oral and injectable administration routes produce fundamentally different pharmacokinetic profiles, bioavailability, and safety profiles. Research comparison of oral vs. injectable androgens and peptides covering first-pass metabolism, hepatic toxicity mechanisms, BSEP inhibition, and protocol implications.
4 min read
Anabolic Research
Ester chain length determines the release kinetics, peak concentration, and injection frequency of injectable androgens. Research comparison of short esters (propionate, acetate) vs. long esters (enanthate, decanoate, undecylenate) for research protocol selection.
5 min read
PCT & Support
Anastrozole and exemestane both inhibit the CYP19A1 aromatase enzyme but through fundamentally different mechanisms — reversible binding vs. irreversible mechanism-based inactivation. Research comparison of pharmacology, enzyme kinetics, selectivity profiles, and bone effects for AI research compound selection.
4 min read
Anabolic Research
Nandrolone decanoate and boldenone undecylenate are both widely researched injectable anabolics but have distinct mechanisms, progestogenic profiles, estrogen aromatization rates, and applications. Detailed pharmacological comparison for research compound selection.
4 min read
Growth Hormone
Ipamorelin, GHRP-6, and GHRP-2 all stimulate growth hormone release through the GHSR-1a receptor but differ significantly in selectivity, cortisol/prolactin side profiles, and appetite effects. Research comparison of selectivity, potency, and protocol suitability.
4 min read
Weight Loss & GLP-1
Semaglutide, retatrutide, and tirzepatide represent three generations of incretin-based therapy with distinct receptor targets. Research comparison of mechanisms, clinical trial weight loss data, receptor pharmacology, and research applications for each compound class.
4 min read
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