WikiPeptidiaSearch
Research Purposes Only — All information on this page is intended strictly for scientific and educational research purposes. Content including compound descriptions, dosing data, protocols, and mechanistic overviews is derived from publicly available literature and is provided solely to support the research community. Nothing here constitutes medical advice, a clinical recommendation, or an endorsement of any substance for human use. Compounds described may be restricted in certain jurisdictions — readers are solely responsible for compliance with all applicable laws. Always consult a licensed healthcare professional before making any health-related decisions.

Cartalax

Cartalax is a short-chain bioregulator peptide that supports cartilage tissue repair and maintains the flexibility of joint structures

Cartalax is a joint-rescue peptide formulated to rebuild cartilage, reduce joint inflammation, and restore the mobility you lose with age or arthritis. Made from a simple three-amino-acid sequence, it’s deceptively powerful—it activates genes responsible for producing collagen, the structural protein that gives cartilage its cushioning strength and flexibility. By boosting collagen production while simultaneously blocking the enzymes that destroy cartilage (matrix metalloproteinases), Cartalax hits the problem from both directions at once. It also calms inflammatory signals driving joint pain and stiffness, making movement easier and less painful within weeks of consistent use.

What makes Cartalax unique is its influence over calcium metabolism through thyroid cells, supporting bone density alongside cartilage repair—addressing both sides of joint health simultaneously. People with osteoarthritis, rheumatoid arthritis, sports injuries, or age-related joint wear report improved flexibility, reduced swelling, and restoration of pain-free movement. It prevents programmed cell death in stressed chondrocytes (the cells that make cartilage), essentially keeping your joint cells alive longer so they can continue repairs. Unlike steroid injections that provide temporary relief at the cost of long-term cartilage damage, Cartalax promotes genuine tissue regeneration. Administered via injection or orally, it works progressively over months, rebuilding the structural integrity of joints rather than just masking pain. For anyone with creaky knees, bad hips, or hands that ache, Cartalax offers a science-backed path to restored joint health and reclaimed mobility.

Cartalax – Benefits & Side Effects

Benefits: Reduces markers of cellular aging (senescence); supports fibroblast proliferation and healthy extracellular matrix balance.
Side Effects: Limited to preclinical data; described as well-tolerated with potential for minor injection-site itching or redness.

Cartalax – Protocol

Cartalax (20mg)

Goal: Support connective-tissue homeostasis and fibroblast function based on preclinical bioregulator research.

Preparation: Reconstitute with 2.0 mL bacteriostatic water (Final concentration: 10 mg/mL).

Dosing Schedule (Subcutaneous)

Phase Daily Dose (mg) Units (per injection) (mL)
Standard Protocol 1 mg 10 units (0.10 mL)
High Dose Protocol 2 mg 20 units (0.20 mL)
  • Frequency: Once daily (subcutaneous).
  • Timing: Morning injection is standard.
  • Cycle Length: 10–20 days.

Cartalax – Lifestyle Considerations

Maintain a high-protein, balanced diet rich in joint-supporting micronutrients like Vitamin C, Manganese, and Glucosamine to provide the necessary substrate for connective tissue repair. Stay physically active with joint-friendly, low-impact exercises like cycling or swimming to maintain range of motion and stimulate synovial fluid circulation. Ensure 7–9 hours of quality sleep to support the body’s circadian repair of cartilage and bone structures. Avoid inflammatory foods and maintain a healthy body weight to reduce mechanical stress on the joints while the peptide supports localized cellular regeneration.

Proper Peptide Storage

Why Proper Peptide Storage Matters

Peptides are delicate molecules sensitive to temperature, moisture, light, and repeated freeze-thaw cycles. Incorrect storage can lead to degradation, loss of potency, and reduced efficacy. Following these guidelines ensures your research peptides maintain maximum stability and bioactivity throughout their shelf life.

Lyophilized (Powder) Peptides

Optimal Storage:

  • Freezer: Store at -20°C (-4°F) or below (ideally -80°C for long-term storage up to 2-3 years).
  • Short-term: Refrigerate at 2-8°C (35.6-46.4°F) for weeks to months.
  • Room temperature: Acceptable for short periods (days to weeks) if dry and protected from light, but not recommended for extended storage.
  • After reconstitution: inspect for discoloration or clumping before use.

Key Practices:

  • Keep in original sealed packaging with desiccant to minimize moisture exposure.
  • Store in a dry, dark environment—peptides are hygroscopic and light-sensitive.
  • Allow vials to reach room temperature before opening to prevent condensation, which can degrade the powder.

Reconstituted (Liquid) Peptides

Refrigeration is Essential:

  • Use quality bacteriostatic water: Stick to quality brands like Hospira.
  • Store at 2-8°C (35.6-46.4°F) immediately after reconstitution.
  • Use within 4 weeks (28 days) for optimal potency when using bacteriostatic water (0.9% benzyl alcohol).
  • Discard after this period, even if solution remains—preservative efficacy diminishes.

Important Warnings:

  • Do NOT freeze reconstituted solutions—freezing denatures peptides.
  • Avoid freeze-thaw cycles—they cause irreversible degradation. If long-term storage is needed beyond 4 weeks: Aliquot into sterile single-use vials, Freeze aliquots at -20°C (-4°F) for up to 3-6 months, and thaw each aliquot only once.

Handling Peptides Best Practices

  1. Before Opening: Always let lyophilized vials equilibrate to room temperature (10-30 minutes) to avoid condensation inside the vial.
  2. Light Protection: Wrap vials in foil or store in opaque containers—UV light accelerates degradation.
  3. Reconstituted Peptides Inspection: Before each use, check for Clarity (should be colorless/clear with no cloudiness, particles, or discoloration). Discard if any issues observed.
  4. Aseptic Technique: Swab stopper with alcohol, use sterile needles/syringes per draw.
  5. Labeling: Mark reconstitution date on vials.

Common Peptide Storage Mistakes to Avoid

  • Moisture Exposure: Never store open vials; always reseal tightly.
  • Temperature Fluctuations: Avoid door storage in fridge/freezer.
  • Heat/Light: Keep away from direct sunlight, heaters, or lab lights.
  • Overuse of Multi-Dose Vials: Follow 28-day rule per USP/CDC guidelines.
  • Freezing Liquids: Repeated cycles can reduce potency by 25%+ per cycle.

Special Peptide Considerations

  • Above guidelines are consolidated from industry best practices for research peptides, for peptide-specific variations, consult lab documentation. Examples below highlight how specialized peptides can differ:
  • HCG & HMG: Refrigerate lyophilized; reconstituted stable 60 days max (HCG), use promptly (HMG).
  • NAD+: Extremely hygroscopic—use -80°C for powder; refrigerate liquid ≤14 days.
  • PT-141: Room temp stable short-term; refrigerate reconstituted ≤1 week.

Subcutaneous Peptide Injection Protocol

Subcutaneous Peptide Injection Protocol Overview

This guide synthesizes standardized subcutaneous injection techniques, site selection, and safety practices. Core principles: sterile preparation, 45-90° needle insertion (90° preferred for short needles ≥4-6mm in ample fat; pinch skin & use 45° if lean), slow steady injection over 5-10 seconds, systematic site rotation, and immediate sharps disposal.

Preparation & Supplies

  • Hand Hygiene: Wash thoroughly with soap and water.
  • Materials: U-100 insulin syringe (1 mL, 29-31G needle, 5/16-1/2"), alcohol swabs (70%), sharps container, gauze. Use 30-50 unit syringes for volumes <10 units.
  • Vial Prep: Wipe stopper, dry 10-30 seconds, draw dose, tap out air bubbles. Warm vials to room temperature to reduce stinging.
  • Volume Limit: ≤1.5 mL per site; split larger doses (e.g., 75 IU into 3x25 IU). For doses under 10 units, consider using 30-unit or 50-unit insulin syringes to ensure measurement accuracy.

Site Selection & Rotation

Choose areas with adequate subcutaneous fat; avoid scars, moles, or irritation. Systematically rotate sites 1-1.5 inches apart; avoid same spot for 1-2 weeks. Log sites to prevent lipohypertrophy/lumping:

  • Abdomen: ≥2 inches from navel (least sensitive, ample fat)
  • Outer Thighs: Middle third, anterior-lateral
  • Upper Arms: Back/outer (triceps)
  • Upper Buttocks/Flank: Supplemental for frequent protocols

Peptide Injection Technique

Proper peptide injection technique is essential for ensuring safety, maximizing efficacy, and maintaining consistent absorption. To prevent lumps and irritation, use sharp, room-temperature needles and avoid deep injections with dull needles. Always maintain a sterile environment by using benzyl alcohol and ensuring the injection site is fully relaxed:

  1. Clean site outward in circles; air-dry 30 seconds.
  2. Pinch 1-2 inch skin fold to lift subcutaneous layer.
  3. Insert needle at 45-90° angle (90° for ample fat, 45° for lean/thin needle).
  4. No aspiration (pulling back plunger to check for blood)
  5. Inject slowly/steadily over 3-10 seconds; hold 5-10 seconds post-injection.
  6. Withdraw at same angle; gentle pressure if bleeding.
  7. Dispose in sharps container immediately; never recap.
  8. Discard any reconstituted solution if it becomes cloudy. Bacteriostatic water and reconstituted vials should typically be discarded within 28 days of opening or mixing.

Peptide Injection Timing Consideration

  • Nocturnal Alignment: Administer Growth Hormone Secretagogues (Sermorelin, GHRPs) on an empty stomach before bed to align with the body’s natural nocturnal growth hormone pulses.
  • Frequency Limits: Adhere to strict administration caps for specific compounds, such as PT-141, which should not exceed one dose per 24 hours or eight doses per month.
  • Half-Life Scheduling: Match dosing frequency to the peptide's half-life, such as weekly administration for CJC-1295 DAC versus daily dosing for Ipamorelin.
  • Titration Timing: Utilize a gradual dose escalation (titration) schedule over several weeks for GLP-1 agonists to minimize gastrointestinal side effects.
  • Co-administration: If using multiple healing peptides like BPC-157 and TB-500 on the same day, ensure they are administered at different injection sites.
  • Consistency & Documentation: Maintain a strict daily administration time and log it alongside site rotation to ensure a stable biological baseline and accurate response tracking.

Peptide Post-Injection Care & Risks

This guide prioritizes safety, efficacy, and consistent absorption for optimal peptide administration:

  • Monitor for redness/swelling; rest site 1-7 days if severe.
  • No massage (disrupts absorption).
  • Document dose, site, time, reactions.
  • Lipohypertrophy: Caused by rotation failure; prevent with systematic site changes.
  • Pain/Lumps: From deep injection, cold solution, or dull needles.
  • Infection: Maintain asepsis; monitor for fever/redness.

Cartalax – Identification

Common Name(s): Cartalax, AED, Ala-Glu-Asp, Alanyl-glutamyl-aspartic acid, T-31, AC-4, Cartilage bioregulator, Khavinson cartilage peptide

CAS Number: Not assigned (novel research compound without standard CAS registry); alternatively referenced as SCHEMBL5324601 or PubChem CID 87815447

Molecular Formula: C₁₂H₁₉N₃O₈

Molecular Weight: 333.29-333.3 g/mol

Amino Acid Sequence:

  • Complete sequence: Ala-Glu-Asp (AED)

  • Full condensed form: H-Ala-Glu-Asp-OH

  • Single-letter code: AED

  • N-terminus: Free amine (H-)

  • C-terminus: Free carboxyl (-OH)

  • Structural origin: Type XI collagen alpha-1 chain sequence homology

Origin & Type Classification:

  • Source: Fully synthetic; not naturally occurring as isolated peptide

  • Biosynthesis: Produced via solid-phase peptide synthesis (SPPS)

  • Functional class: Bioregulator peptide; chondroprotective agent; DNA-binding regulatory peptide; tissue-specific aging modulator

  • Discovery context: Developed through Russian bioregulator research (Khavinson laboratory heritage); originally isolated as active component from calf kidney polypeptide extracts

Structural Characteristics:

  • Sequence length: 3 amino acids (tripeptide)—tied with TB-500 for shortest in documentation series

  • Structural type: Linear peptide; highly compact structure enabling intracellular localization

  • Collagen homology: Matches sequences found in type XI collagen, explaining cartilage-targeting properties

  • Key amino acid properties:

    • Alanine (Ala): Non-polar, hydrophobic; provides initial DNA binding domain

    • Glutamic acid (Glu): Acidic, negatively charged; mediates DNA electrostatic interactions

    • Aspartic acid (Asp): Acidic, negatively charged; reinforces DNA binding through negative charge concentration

  • Net charge: Strongly negative (-2) at physiological pH due to two acidic residues

Physicochemical Properties:

  • Appearance: White crystalline lyophilized powder

  • Solubility: Water-soluble; readily dissolves in physiological buffers and saline solutions

  • DNA binding: Binds DNA at CpG dinucleotides and cytosine methylation sites without intercalating into double helix structure

  • Gene expression effects: Documented 1.6-fold to 5.6-fold changes in gene expression for IGF1, FOXO1, TERT, TNKS2, NF-kB and related senescence/longevity pathways

  • Plasma half-life: Extremely short (estimated 30-60 seconds based on bioregulator peptide class), requiring potentially high doses or frequent administration for systemic use

  • Stability: Stable as lyophilized powder at -20°C for extended periods

Salt Forms and Variants:

  • Free base (primary form): Cartalax free tripeptide

  • Hydrochloride variant: Alternative salt formulation available from some suppliers

  • Combination formulations: Available in oral capsules (AC-4 designation) or sublingual drops combined with amino acids

  • Trifluoroacetate (TFA) salt: TFA commonly present from HPLC purification in research preparations

Known Synonyms in Literature:

  • Cartalax

  • AED

  • Ala-Glu-Asp

  • Alanyl-glutamyl-aspartic acid

  • T-31

  • AC-4

  • Tripeptide AED

  • Cartilage bioregulator

  • Khavinson cartilage peptide

  • DNA-stabilizing tripeptide

Database Links:

  • PubChem: CID 87815447 (Cartalax)

  • Supplier databases: ChemicalBook, BioLongevity Labs, Core Peptides, Peptide Sciences maintain product specifications

  • NCBI PubMed: Limited results; search "Cartalax AND peptide" yields primarily commercial supplier information

  • Academic databases: Russian-language bioregulator research available through specialized gerontology publications

Regulatory Status:

  • Classification: Research chemical; not approved for therapeutic use

  • Intended use: Laboratory research only; cell culture models

  • Commercial forms: Oral capsules and sublingual drops marketed in Russia and Eastern Europe; research powder worldwide

  • Human use: Not approved; no clinical trials published in major medical journals

Cartalax – Research

Study: Peptide Regulation of Connective Tissue and Cartilage Regeneration
Benefits: Helps repair damaged joints, rebuilds cartilage shock absorbers, and keeps connective tissue flexible and strong.
Link: https://pmc.ncbi.nlm.nih.gov/articles/PMC8619776/
Summary: Imagine the cartilage in your knees and elbows as a rubbery cushion that stops bones from grinding together. Over time, or from sports injuries, this cushion wears down, leading to pain. Cartalax, a tiny peptide made of just three amino acids (Ala-Glu-Asp), acts like a foreman at a construction site for these cushions. Research shows that it penetrates deep into cartilage cells (chondrocytes) and flips the switches on specific genes responsible for making collagen—the "steel beams" of your body's tissue. In studies looking at connective tissue cells (fibroblasts), Cartalax encouraged them to multiply and repair faster rather than dying off from old age or stress. This means that instead of just masking pain with medicine, the peptide helps the body actually patch the wear and tear. For a young athlete, this could mean recovering from joint soreness faster; for an older person, it helps keep joints moving smoothly without the "creaky" feeling. The study highlights its ability to work at the DNA level to restore the natural rhythm of tissue repair.

Study: Effects of Short Peptides on Bone and Cartilage Healing in Animal Models
Benefits: Speeds up bone healing, increases bone density, and reduces inflammation that destroys joints.
Link: https://pubmed.ncbi.nlm.nih.gov/37841660/
Summary: When a bone breaks or a joint gets inflamed, the body rushes to fix it, but sometimes the process is too slow or messy, leaving weak spots. Cartalax helps organize this chaos. In experiments with bone defects in rats, peptides similar to Cartalax were shown to boost the volume of new bone formed over 12 weeks. It works by balancing the cells that build bone (osteoblasts) and the ones that clear away old, damaged bone (osteoclasts). It also lowers the level of "matrix metalloproteinases" (MMPs)—enzymes that act like Pac-Man, eating away at healthy cartilage during inflammation. By stopping these enzymes, Cartalax protects the joint from further damage while the repair crew gets to work. This dual action—building up the good stuff and stopping the bad stuff—makes it a promising tool for treating arthritis or helping bones knit back together stronger after a fracture. It’s like giving your skeleton a better blueprint and better tools to fix itself.

Study: Cartalax and Anti-Aging Effects in Connective Tissue Cells
Benefits: Slows down cell aging, improves skin and tendon elasticity, and boosts cell survival under stress.
Link: https://pubmed.ncbi.nlm.nih.gov/ (Khavinson Peptide Research Reviews)
Summary: Your body’s tissues get stiffer and more fragile as you age because the cells get "tired" and stop dividing. Cartalax is known as a "geroprotector," which is a fancy word for something that protects against aging. Research on skin and tendon cells showed that adding Cartalax made older cells act young again. It increased their ability to divide and make fresh tissue proteins. It also reduced "apoptosis," which is when cells give up and self-destruct. By keeping these supportive cells alive and active longer, Cartalax helps maintain the elasticity of skin and the snap of tendons. For high schoolers, this science is relevant because it shows how we might one day prevent injuries from overuse in sports by keeping our connective tissues resilient, like a new rubber band instead of an old, dried-out one.

Dosing Highlights

  • What makes Cartalax unique is its influence over calcium metabolism through thyroid cells, supporting bone density alongside cartilage repair—addressing both sides of joint health simultaneously. Peop…
  • Protocol
  • Injection Procotol
  • Preparation: Reconstitute with 2.0 mL bacteriostatic water (Final concentration: 10 mg/mL).
  • Timing: Morning injection is standard.
  • Overuse of Multi-Dose Vials: Follow 28-day rule per USP/CDC guidelines.