BioregulatorsResearch profile

Crystagen

Glu-Asp-Pro · EDP · Thymus/immune bioregulator

Think of it as a pep talk for your immune system.

Crystagen is like a motivational speech for your immune cells. It's a tiny protein fragment that aims to support your thymus, an organ that plays a big role in immune function. Think of the thymus as a coach for your T-cells, the immune system's frontline fighters. Crystagen tries to give that coach a boost, potentially helping it train those cells better.

Some research, mostly from Russian labs, suggests that it might help your immune system act a bit younger, keeping your defenses sharp by possibly influencing the genes involved in immune responses. However, it's worth noting that these findings are still in early stages and not widely accepted in mainstream science.

Who it's for

Health enthusiasts curious about immune support
People interested in anti-aging research
Biohackers looking for new ways to support their body's defenses

Probably not for you if…

Folks seeking FDA-approved treatments
People uncomfortable with experimental compounds
Those looking for quick, guaranteed results

Editorial summary for research context · Not medical advice

Mechanism of Action

Crystagen is a synthetic tripeptide (Glu-Asp-Pro) designed as a thymus-tissue and immune-system bioregulator. Khavinson-group research proposes that short peptides penetrate the cell membrane, enter the nucleus, and modulate tissue-specific gene expression — in this case in thymic epithelial cells and lymphocyte populations. Positioned as a shorter-sequence analog within the thymic peptide family. Not FDA-approved. Preclinical and limited clinical data from Khavinson group.

Researched Benefits

Thymic gene-expression research

Khavinson-lab studies report modulation of gene expression relevant to thymic epithelial markers and T-cell differentiation pathways.

[Khavinson & Malinin 2005]

Immune-aging preclinical models

Russian-language studies have examined lymphocyte population shifts and immune markers in aged rodents.

[Anisimov & Khavinson 2010]

Research Protocols

The following dosing ranges have appeared in published research protocols. Presented for informational purposes only — not a recommendation for human use.

Intranasal research protocol

Dosage: 100 mcg
Frequency: once daily
Timing: morning
Cycle: 3 weeks

Khavinson-group protocols have typically used 20-30 day cycles, repeated 2x per year.

Reported Side Effects

No significant adverse events reported in published Khavinson-group studies
Transient local irritation with intranasal administration
Long-term human safety data limited

Contraindications

Pregnancy and lactation (no safety data)
Active lymphoid malignancy (theoretical concern)
Autoimmune disease (theoretical concern — consult before use)
Individual hypersensitivity to peptide components

Stacking Partners

Peptides commonly paired with Crystagen in published research and protocol write-ups.

longevity

Vendor Pricing

75
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Research Papers

Gerontological aspects of peptide regulation
Khavinson VKh, Malinin VV · Karger · 2005
Peptide bioregulators: the new class of geroprotectors
Anisimov VN, Khavinson VKh · Advances in Gerontology · 2010

Crystagen

Mechanism of Action