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Specimen Atlas of Research Peptides81 plates · MIT
Side-by-side · Research reference

CardiogenvsGlutathione

Side-by-side comparison across mechanism, dosage, evidence, side effects, administration, and stack synergies. Citations on every claim where available.

AAnimal-MechanisticHUMAN-REVIEWED5/46 cited
BHuman-MechanisticHUMAN-REVIEWED6/39 cited
Cardiogen
Bioregulator · Cardiac
CardiacTissue target
Gene regulationMechanism
AnimalEvidence level
SQ · Variable protocols
Glutathione
Endogenous Tripeptide · Antioxidant
γ-Glu-Cys-GlyStructure
UbiquitousTissue distribution
GCL + GSBiosynthesisWang 2026Aiana 2026
IV · Oral · Inhaled

01Mechanism of Action

Parameter
Cardiogen
Glutathione
Primary target
Cardiovascular cell gene expressionKhavinson 2022
Intracellular redox systems, glutathione peroxidase, glutathione transferase
Pathway
Peptide bioregulation → modulation of SASP / inflammaging → cardiac tissue homeostasisKhavinson 2022
Synthesized via glutamate-cysteine ligase (GCL) → γ-glutamylcysteine → glutathione synthetase (GS) → GSH
Downstream effect
Suppression of senescence-associated secretory phenotype (SASP), reduction of age-related inflammatory markers, modulation of heat shock protein expression in cardiac tissue
Reduction of reactive oxygen species, conjugation of electrophiles, maintenance of cellular thiol-disulfide balance, GPX4 activation for lipid peroxide reduction
Feedback intact?
Presumed — peptide bioregulators act via gene regulation, not receptor agonism
Origin
Derived from cardiac tissue peptide extracts; synthetic analogue based on Khavinson bioregulator methodology
Endogenous tripeptide; predominantly synthesized in liver, exported to extracellular space and tissuesTerrell 2025Hecht 2026
Antibody development

02Dosage Protocols

Parameter
Cardiogen
Glutathione
Standard dose
Variable — typically 10–20 mg per course
No standardised human protocol; animal-derived dosing.
Frequency
Intermittent courses — 10–20 days, repeated periodically
Khavinson-school bioregulators typically dosed as periodic interventions, not continuous.
Evidence basis
Animal models / mechanistic studies
No Phase 1+ human trials in PubMed.
Animal mechanistic + human mechanistic
Route
Subcutaneous injection
Duration
10–20 day courses, repeated 2–4× per year
Russian geriatric protocols; unclear extrapolation to general populations.
Endogenous synthesis
Hepatic synthesis ~10 g/day (basal rate)
Tissue-specific; demand-driven upregulation via Nrf2 signaling.
Exogenous oral
250–1000 mg/day
Bioavailability limited; gastric hydrolysis reduces systemic uptake.
IV supplementation
600–1200 mg (research protocols)
Used in clinical oxidative stress and hepatic detoxification studies.
Precursor strategy
N-acetylcysteine (NAC) 600–1200 mg/day
Provides cysteine for endogenous GSH synthesis; bypasses GI degradation.

04Side Effects & Safety

Parameter
Cardiogen
Glutathione
Injection site reactions
Mild erythema, induration (presumed)
Systemic adverse events
No documented serious AEs in available literature
Very limited safety data; no rigorous pharmacovigilance.
Immunogenicity
Unknown — no antibody development studies published
Long-term safety
Unknown — no extended human trials indexed in PubMed
Oral supplementation
GI discomfort, bloating (mild, dose-dependent)
IV administration
Rare hypersensitivity, infusion site reaction
Inhalation
Bronchospasm risk in asthma (rare)
Tumor metabolism
Extracellular GSH catabolism supplies cysteine to tumors; theoretical concern in active malignancyHecht 2026
Absolute Contraindications
Cardiogen
  • ·Active malignancy (theoretical peptide growth factor concern)
  • ·Hypersensitivity to peptide components
Glutathione
Relative Contraindications
Cardiogen
  • ·Acute cardiac events (no safety data in acute MI, unstable angina)
  • ·Pregnancy / lactation (no reproductive toxicity data)
Glutathione
  • ·Active malignancy (theoretical cysteine supply risk)Hecht 2026
  • ·Severe asthma (inhaled formulations)

05Administration Protocol

Parameter
Cardiogen
Glutathione
1. Reconstitution
Add sterile water or saline per manufacturer instructions (typically 1–2 mL per lyophilised vial). Roll gently to dissolve.
Capsule or liquid form, 250–1000 mg once daily. Take on empty stomach for improved absorption, though GI hydrolysis limits bioavailability. NAC precursor strategy often preferred.
2. Injection site
Subcutaneous — abdomen or thigh. Rotate sites. Use sterile technique.
Clinical protocols: 600–1200 mg slow infusion over 30–60 minutes. Used for acute oxidative stress, hepatic detoxification support. Administered in medical settings.
3. Timing
Variable — often evening injection. No established circadian preference.
Nebulized GSH (research protocols). Monitor for bronchospasm in reactive airway patients. Used experimentally for pulmonary oxidative stress.
4. Storage
Lyophilised: refrigerate 2–8 °C, protect from light. Reconstituted: use immediately or refrigerate, discard after 7–14 days per labeling.
N-acetylcysteine (NAC) 600–1200 mg/day PO. Provides cysteine substrate for endogenous GSH synthesis. Bypasses gastric degradation, preferred for chronic supplementation.
5. Needle
27–30G insulin syringe, 45° angle for subcutaneous administration.

06Stack Synergy

Cardiogen
+ Thymalin
Moderate
View Thymalin

Khavinson-school multi-organ bioregulator approach: thymalin (thymic peptide) addresses immune senescence while cardiogen targets cardiac tissue. Combined use in geriatric populations demonstrated normalisation of cardiovascular, endocrine, and immune parameters with reduced mortality over 6–8 years of observation.

Cardiogen
10–20 mg SQ · 10–20 day course
Thymalin
10–30 mg IM · concurrent or sequential courses
Frequency
2–4 courses per year
Primary benefit
Multi-system aging mitigation, cardiovascular and immune homeostasis
Glutathione
— no documented stacks