Follistatin 344: A Research Peptide Overview

Follistatin 344 is a peptide frequently studied in laboratory research settings, particularly in the context of myostatin-related research. This post covers what it is and what researchers should look for when sourcing it.

What Is Follistatin 344?

Follistatin 344 is a protein studied for its role in binding and regulating certain growth factors, most notably myostatin, in laboratory and preclinical research contexts. It’s one of several peptides used in academic and research settings studying muscle biology.

Why Sourcing Quality Matters for Research

Because peptides like Follistatin 344 are used in sensitive research applications, purity and consistency are critical to reliable results. Key factors researchers evaluate include:

  • Third-party verified purity via COA
  • Proper storage and shipping (cold-chain handling where applicable)
  • Batch consistency for reproducible research outcomes
  • Supplier transparency regarding sourcing and testing methods

Sourcing Follistatin 344 from BioLongevity Labs

We supply Follistatin 344 with batch-specific COAs confirming purity, alongside proper handling and shipping to preserve peptide integrity for research use.

View Follistatin 344 Product Page

This peptide is sold strictly for laboratory research purposes. It is not intended for human or animal consumption, diagnostic use, or therapeutic use.

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FAQ.

Frequently asked questions

Email:
help@biolongevitylabsusa.com
What quality testing do you provide?
Every peptide batch ships with a Certificate of Analysis from an independent, certified testing laboratory. Analysis is performed using HPLC with UV detection, paired with mass spectrometry, to confirm both purity and molecular identity before any batch is released for sale.
Each COA lists the accession number, testing dates, and your product's specific details — CAS number, lot quantity, confirmed identity, purity percentage, and physical appearance. You'll also see two charts: an HPLC chromatogram showing the purity peak, and mass spectrometry data confirming molecular weight. A signed summary table and the testing methodology are included on every report.
Most in-vitro research protocols call for 95–99%+ purity. Lower-purity compounds can introduce variables that add noise to your results and make findings harder to reproduce. Our standard catalog sits at 98%+ or 99%+ purity, verified independently on every batch.
Reconstituted peptide solutions are generally stable for several days when kept at 2–8°C. For longer-term storage, prepare small aliquots and freeze at -20°C or -80°C, and avoid repeated freeze-thaw cycles. Use sterile bacteriostatic water and aseptic technique throughout preparation and handling.
In-stock orders placed before 12 PM PT ship the same day. Domestic orders typically arrive within 3–5 business days via standard shipping, with 1–2 day expedited options available. Lyophilized peptides ship at ambient temperature in protective packaging. Orders over $400 qualify for free domestic shipping.

Yes — we ship to qualified research institutions and laboratories worldwide. International orders include a commercial invoice, Certificate of Analysis, and a research-use-only declaration. Delivery times vary by destination, and customers are responsible for any customs duties or import requirements in their jurisdiction.

Standard vial sizes range from 2mg to 20mg depending on compound, with larger formats available on select products. Volume discounts apply starting at 3 vials of the same product, scaling up from there — contact us for bulk research-lab pricing.

Because research peptides require temperature-controlled handling, we're unable to accept returns on shipped compounds once an order has left our facility. Please review your order carefully before checkout, and reach out to our support team with any questions beforehand.

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